STM32H725xE/G
32-bit Arm® Cortex®-M7 550 MHz MCU, up to 1 MB Flash memory, 564 KB RAM, 35 comms peripherals and analog interfaces
Features
Core
•32-bit Arm® Cortex®-M7 CPU with DP-FPU, L1 cache: 32-Kbyte data cache and 32-Kbyte instruction cache allowing 0-wait state execution from embedded Flash memory and external memories, frequency up to 550 MHz, MPU, 1177 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
Memories
•Up to 1 Mbyte of embedded Flash memory with ECC
•SRAM: total 564 Kbytes all with ECC, including 128 Kbytes of data TCM RAM for critical realtime data + 432 Kbytes of system RAM (up to 256 Kbytes can remap on instruction TCM RAM for critical real time instructions) +
4 Kbytes of backup SRAM (available in the lowest-power modes)
•Flexible external memory controller with up to 24-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories
•2 x Octo-SPI interface with XiP
•2 x SD/SDIO/MMC interface
•Bootloader
Graphics
•Chrom-ART Accelerator graphical hardware accelerator enabling enhanced graphical user interface to reduce CPU load
•LCD-TFT controller supporting up to XGA resolution
Datasheet - production data
LQFP100 (14 x 14 mm) |
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VFQFPN 68 |
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LQFP144 (20 x 20 mm) |
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LQFP176 (24 x 24 mm) |
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FBGA |
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FBGA |
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UFBGA 169 (7 x 7 mm) |
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TFBGA100 |
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UFBGA 176+25 (10 x 10 mm) |
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WLCSP 115 0.35 mm pitch
Clock, reset and supply management
•1.62 V to 3.6 V application supply and I/O
•POR, PDR, PVD and BOR
•Dedicated USB power
•Embedded DCDC and LDO regulator (*)VFQFPN68 variant is DCDC only
•Internal oscillators: 64 MHz HSI, 48 MHz HSI48, 4 MHz CSI, 32 kHz LSI
•External oscillators: 4-50 MHz HSE, 32.768 kHz LSE
Low power
•Sleep, Stop and Standby modes
•VBAT supply for RTC, 32×32-bit backup registers
Analog
• 2×16-bit ADC, up to 3.6 MSPS in 16-bit: up to 22 channels and 7.2 MSPS in doubleinterleaved mode
September 2020 |
DS13311 Rev 2 |
1/276 |
www.st.com
STM32H725xE/G
•1 x 12-bit ADC, up to 5 MSPS in 12-bit, up to 12 channels
•2 x comparators
•2 x operational amplifier GBW = 8 MHz
•2× 12-bit D/A converters
Digital filters for sigma delta modulator (DFSDM)
• 8 channels/4 filters
4 DMA controllers to offload the CPU
•1 × MDMA with linked list support
•2 × dual-port DMAs with FIFO
•1 × basic DMA with request router capabilities
24 timers
•Seventeen 16-bit (including 5 x low power 16-bit timer available in stop mode) and four 32-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
•2x watchdogs, 1x SysTick timer
external clock and up to 5 x SPI (from 5 x USART when configured in synchronous mode)
•2x SAI (serial audio interface)
•1× FD/TT-CAN and 2xFD-CAN
•8- to 14-bit camera interface
•16-bit parallel slave synchronous interface
•SPDIF-IN interface
•HDMI-CEC
•Ethernet MAC interface with DMA controller
•USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip FS PHY and ULPI for external HS PHY
•SWPMI single-wire protocol master I/F
•MDIO slave interface
Mathematical acceleration
•CORDIC for trigonometric functions acceleration
•FMAC: Filter mathematical accelerator
Debug mode
•SWD and JTAG interfaces
•2-Kbyte embedded trace buffer
Up to 128 I/O ports with interrupt capability
Up to 35 communication interfaces
•Up to 5 × I2C FM+ interfaces (SMBus/PMBus™)
•Up to 5 USARTs/5 UARTs (ISO7816 interface, LIN, IrDA, modem control) and 1 x LPUART
•Up to 6 SPIs with 4 with muxed duplex I2S for audio class accuracy via internal audio PLL or
Digital temperature sensor True random number generator CRC calculation unit
RTC with sub-second accuracy and hardware calendar
ROP, PC-ROP, tamper detection 96-bit unique ID
All packages are ECOPACK2 compliant
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Table 1. Device summary |
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Reference |
Part number |
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STM32H725xE |
STM32H725ZE, STM32H725VE, STM32H725RE, STM32H725IE, |
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STM32H725AE |
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STM32H725xG |
STM32H725ZG, STM32H725VG, STM32H725RG, STM32H725IG, |
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STM32H725AG |
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2/276 |
DS13311 Rev 2 |
STM32H725xE/G |
Contents |
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Contents
1 |
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
14 |
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2 |
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
15 |
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3 |
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
23 |
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3.1 |
Arm® Cortex®-M7 with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
23 |
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3.2 |
Memory protection unit (MPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
23 |
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3.3 |
Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
24 |
3.3.1 Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.3.2 Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Error code correction (ECC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
3.4 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.5 CORDIC co-processor (CORDIC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
CORDIC features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
3.6 Filter mathematical accelerator (FMAC) . . . . . . . . . . . . . . . . . . . . . . . . . . 27
FMAC features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
3.7 Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.7.1 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.7.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.7.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.8 Low-power strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.9 Reset and clock controller (RCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
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3.9.1 |
Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
31 |
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3.9.2 |
System reset sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
32 |
3.10 |
General-purpose input/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . . |
32 |
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3.11 |
Bus-interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
32 |
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3.12 |
DMA controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
34 |
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3.13 |
Chrom-ART Accelerator (DMA2D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
34 |
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3.14 |
Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . . |
35 |
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3.15 |
Extended interrupt and event controller (EXTI) . . . . . . . . . . . . . . . . . . . . |
35 |
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3.16 |
Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . |
35 |
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3.17 |
Flexible memory controller (FMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
36 |
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3.18 |
Octo-SPI memory interface (OCTOSPI) . . . . . . . . . . . . . . . . . . . . . . . . . |
36 |
DS13311 Rev 2 |
3/276 |
Contents |
STM32H725xE/G |
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3.19 Analog-to-digital converters (ADCs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.20 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.21 Digital temperature sensor (DTS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
3.22 VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.23 Digital-to-analog converters (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.24 Ultra-low-power comparators (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.25 Operational amplifiers (OPAMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.26 Digital filter for sigma-delta modulators (DFSDM) . . . . . . . . . . . . . . . . . . 40 3.27 Digital camera interface (DCMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.28 PSSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.29 LCD-TFT controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.30 True random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . 43 3.31 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
3.31.1 Advanced-control timers (TIM1, TIM8) . . . . . . . . . . . . . . . . . . . . . . . . . |
46 |
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3.31.2 |
General-purpose timers (TIMx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
46 |
3.31.3 |
Basic timers TIM6 and TIM7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
47 |
3.31.4Low-power timers (LPTIM1, LPTIM2, LPTIM3, LPTIM4, LPTIM5) . . . . 47
3.31.5 Independent watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 3.31.6 Window watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 3.31.7 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.32 Real-time clock (RTC), backup SRAM and backup registers . . . . . . . . . . 48 3.33 Inter-integrated circuit interface (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
3.34Universal synchronous/asynchronous receiver transmitter (USART) . . . 49
3.35Low-power universal asynchronous receiver transmitter (LPUART) . . . . 50
3.36Serial peripheral interface (SPI)/interintegrated sound interfaces (I2S) . 51
3.37 Serial audio interfaces (SAI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.38 SPDIFRX Receiver Interface (SPDIFRX) . . . . . . . . . . . . . . . . . . . . . . . . . 52 3.39 Single wire protocol master interface (SWPMI) . . . . . . . . . . . . . . . . . . . . 52 3.40 Management data input/output (MDIO) slaves . . . . . . . . . . . . . . . . . . . . . 53 3.41 SD/SDIO/MMC card host interfaces (SDMMC) . . . . . . . . . . . . . . . . . . . . 53 3.42 Controller area network (FDCAN1, FDCAN2, FDCAN3) . . . . . . . . . . . . . 53 3.43 Universal serial bus on-the-go high-speed (OTG_HS) . . . . . . . . . . . . . . . 54 3.44 Ethernet MAC interface with dedicated DMA controller (ETH) . . . . . . . . . 54
4/276 |
DS13311 Rev 2 |
STM32H725xE/G |
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Contents |
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3.45 |
High-definition multimedia interface (HDMI) |
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- consumer electronics control (CEC) . . . . . . . . . . . . . . . . . . . . . . |
. . . . . 55 |
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3.46 |
Debug infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . 55 |
4 |
Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 56 |
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5 |
Pinouts, pin descriptions and alternate functions . . . . . . . . . . . . |
. . . . 57 |
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6 |
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 114 |
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6.1 |
Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . .114 |
6.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 6.1.2 Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 6.1.3 Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 6.1.4 Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 6.1.5 Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 6.1.6 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 6.1.7 Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 116
6.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116 6.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
6.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 6.3.2 VCAP external capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 6.3.3 SMPS step-down converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 6.3.4 Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . 125 6.3.5 Embedded reset and power control block characteristics . . . . . . . . . . 126 6.3.6 Embedded reference voltage characteristics . . . . . . . . . . . . . . . . . . . . 127 6.3.7 Embedded USB regulator characteristics . . . . . . . . . . . . . . . . . . . . . . 128 6.3.8 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Typical and maximum current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . .129 Typical SMPS efficiency versus load current and temperature . . . . . . . . . . . . .135 I/O system current consumption. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
6.3.9 Wakeup time from low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . 139 6.3.10 External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 140
High-speed external user clock generated from an external source . . . . . . . . .140 Low-speed external user clock generated from an external source . . . . . . . . . .141 High-speed external clock generated from a crystal/ceramic resonator. . . . . . .142 Low-speed external clock generated from a crystal/ceramic resonator . . . . . . .143
6.3.11 Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 144
48 MHz high-speed internal RC oscillator (HSI48). . . . . . . . . . . . . . . . . . . . . . .144
DS13311 Rev 2 |
5/276 |
Contents |
STM32H725xE/G |
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64 MHz high-speed internal RC oscillator (HSI). . . . . . . . . . . . . . . . . . . . . . . . .145 4 MHz low-power internal RC oscillator (CSI) . . . . . . . . . . . . . . . . . . . . . . . . . .146 Low-speed internal (LSI) RC oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
6.3.12 PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 6.3.13 Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Flash memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
6.3.14 EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Functional EMS (electromagnetic susceptibility) . . . . . . . . . . . . . . . . . . . . . . . .152 Designing hardened software to avoid noise problems . . . . . . . . . . . . . . . . . . .152 Electromagnetic Interference (EMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
6.3.15 Absolute maximum ratings (electrical sensitivity) . . . . . . . . . . . . . . . . 153
Electrostatic discharge (ESD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153 Static latchup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
6.3.16 I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Functional susceptibility to I/O current injection . . . . . . . . . . . . . . . . . . . . . . . . .154
6.3.17 I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
General input/output characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155 Output driving current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157 Output voltage levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158 Output buffer timing characteristics (HSLV option disabled) . . . . . . . . . . . . . . .160 Output buffer timing characteristics (HSLV option enabled). . . . . . . . . . . . . . . .162 Analog switch between ports Pxy_C and Pxy . . . . . . . . . . . . . . . . . . . . . . . . . .163
6.3.18 NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 6.3.19 FMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Asynchronous waveforms and timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164 Synchronous waveforms and timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172 NAND controller waveforms and timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .180 SDRAM waveforms and timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183
6.3.20 Octo-SPI interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 6.3.21 Delay block (DLYB) characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 6.3.22 16-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
General PCB design guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199
6.3.23 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 6.3.24 DAC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 6.3.25 Voltage reference buffer characteristics . . . . . . . . . . . . . . . . . . . . . . . 211 6.3.26 Analog temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . 212 6.3.27 Digital temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . 213
6.3.28 Temperature and VBAT monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 6.3.29 Voltage booster for analog switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
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6.3.30 Comparator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 6.3.31 Operational amplifier characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 215
6.3.32Digital filter for Sigma-Delta Modulators (DFSDM) characteristics . . . 218
6.3.33 Camera interface (DCMI) timing specifications . . . . . . . . . . . . . . . . . . 221 6.3.34 Parallel synchronous slave interface (PSSI) characteristics . . . . . . . . 222 6.3.35 LCD-TFT controller (LTDC) characteristics . . . . . . . . . . . . . . . . . . . . . 223 6.3.36 Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 6.3.37 Low-power timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 6.3.38 Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
I2C interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226 USART interface characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227 SPI interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229 I2S Interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232 SAI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234 MDIO characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236 SD/SDIO MMC card host interface (SDMMC) characteristics . . . . . . . . . . . . . .237 USB OTG_FS characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240 USB OTG_HS characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240 Ethernet interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242 JTAG/SWD interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244
7 |
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
246 |
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7.1 VFQFPN68 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
246 |
Device marking for VFQFPN68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248
7.2 LQFP100 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Device marking for LQFP100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251
7.3 TFBGA100 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Device marking for TFBGA100. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254
7.4 WLCSP115 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Device marking for WLSCP115 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
7.5 LQFP144 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Device marking for LQFP144 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261
7.6 UFBGA169 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Device marking for UFBGA169 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .264
7.7 LQFP176 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Device marking for LQFP176 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .268
7.8 UFBGA176+25 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Device marking for UFBGA176+25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271
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7.9 Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
7.9.1 Reference documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
8 |
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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9 |
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Table 2. STM32H725xE/G features and peripheral counts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 3. System versus domain low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Table 4. DFSDM implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Table 5. Timer feature comparison. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Table 6. USART features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Table 7. Legend/abbreviations used in the pinout table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Table 8. STM32H725 pin and ball descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Table 9. STM32H725 pin alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Table 10. Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 Table 11. Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Table 12. Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Table 13. General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Table 14. Supply voltage and maximum temperature configuration. . . . . . . . . . . . . . . . . . . . . . . . . 120 Table 15. VCAP operating conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 Table 16. Characteristics of SMPS step-down converter external components. . . . . . . . . . . . . . . . 122 Table 17. SMPS step-down converter characteristics for external usage . . . . . . . . . . . . . . . . . . . . 122 Table 18. Inrush current and inrush electric charge characteristics for LDO and SMPS . . . . . . . . . 123 Table 19. Operating conditions at power-up / power-down (regulator ON) . . . . . . . . . . . . . . . . . . . 125 Table 20. Reset and power control block characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 Table 21. Embedded reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Table 22. Internal reference voltage calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 Table 23. USB regulator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 Table 24. Typical and maximum current consumption in Run mode,
code with data processing running from ITCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 Table 25. Typical and maximum current consumption in Run mode, code with data processing
running from Flash memory, cache ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 Table 26. Typical and maximum current consumption in Run mode,
code with data processing running from Flash memory, cache OFF. . . . . . . . . . . . . . . . 132 Table 27. Typical consumption in Run mode and corresponding performance
versus code position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Table 28. Typical current consumption in Autonomous mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Table 29. Typical current consumption in Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Table 30. Typical current consumption in System Stop mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Table 31. Typical current consumption in Standby mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Table 32. Typical and maximum current consumption in VBAT mode . . . . . . . . . . . . . . . . . . . . . . . 135 Table 33. Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 Table 34. High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Table 35. Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 Table 36. 4-50 MHz HSE oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 Table 37. Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 Table 38. HSI48 oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Table 39. HSI oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 Table 40. CSI oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Table 41. LSI oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Table 42. PLL1 characteristics (wide VCO frequency range). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 Table 43. PLL1 characteristics (medium VCO frequency range) . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Table 44. PLL2 and PLL3 characteristics (wide VCO frequency range) . . . . . . . . . . . . . . . . . . . . . 149
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Table 45. PLL2 and PLL3 characteristics (medium VCO frequency range) . . . . . . . . . . . . . . . . . . . 150 Table 46. Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 Table 47. Flash memory programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 Table 48. Flash memory endurance and data retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 Table 49. EMS characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 Table 50. EMI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Table 51. ESD absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Table 52. Electrical sensitivities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Table 53. I/O current injection susceptibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Table 54. I/O static characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Table 55. Output voltage characteristics for all I/Os except PC13, PC14 and PC15 . . . . . . . . . . . . 158 Table 56. Output voltage characteristics for PC13, PC14 and PC15 . . . . . . . . . . . . . . . . . . . . . . . . 159 Table 57. Output timing characteristics (HSLV OFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 Table 58. Output timing characteristics (HSLV ON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 Table 59. Pxy_C and Pxy analog switch characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 Table 60. NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 Table 61. Asynchronous non-multiplexed SRAM/PSRAM/NOR read timings . . . . . . . . . . . . . . . . . 166 Table 62. Asynchronous non-multiplexed SRAM/PSRAM/NOR read-NWAIT timings . . . . . . . . . . . 166 Table 63. Asynchronous non-multiplexed SRAM/PSRAM/NOR write timings . . . . . . . . . . . . . . . . . 168 Table 64. Asynchronous non-multiplexed SRAM/PSRAM/NOR write-NWAIT timings. . . . . . . . . . . 168 Table 65. Asynchronous multiplexed PSRAM/NOR read timings. . . . . . . . . . . . . . . . . . . . . . . . . . . 170 Table 66. Asynchronous multiplexed PSRAM/NOR read-NWAIT timings . . . . . . . . . . . . . . . . . . . . 170 Table 67. Asynchronous multiplexed PSRAM/NOR write timings . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Table 68. Asynchronous multiplexed PSRAM/NOR write-NWAIT timings . . . . . . . . . . . . . . . . . . . . 171 Table 69. Synchronous multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 Table 70. Synchronous multiplexed PSRAM write timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 Table 71. Synchronous non-multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . 177 Table 72. Synchronous non-multiplexed PSRAM write timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 Table 73. Switching characteristics for NAND Flash read cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 Table 74. Switching characteristics for NAND Flash write cycles. . . . . . . . . . . . . . . . . . . . . . . . . . . 182 Table 75. SDRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Table 76. LPSDR SDRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Table 77. SDRAM Write timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 Table 78. LPSDR SDRAM Write timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 Table 79. OCTOSPI characteristics in SDR mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 Table 80. OCTOSPI characteristics in DTR mode (no DQS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Table 81. OCTOSPI characteristics in DTR mode (with DQS)/Octal and Hyperbus . . . . . . . . . . . . 189 Table 82. Delay Block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Table 83. 16-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Table 84. Minimum sampling time vs RAIN (16-bit ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 Table 85. 16-bit ADC accuracy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 Table 86. 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Table 87. Minimum sampling time vs RAIN (12-bit ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 Table 88. 12-bit ADC accuracy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Table 89. DAC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 Table 90. DAC accuracy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 Table 91. VREFBUF characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 Table 92. Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 Table 93. Temperature sensor calibration values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 Table 94. Digital temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Table 95. VBAT monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 Table 96. VBAT charging characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
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Table 97. Temperature monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 Table 98. Voltage booster for analog switch characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 Table 99. COMP characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 Table 100. Operational amplifier characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 Table 101. DFSDM measured timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 Table 102. DCMI characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Table 103. PSSI transmit characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Table 104. PSSI receive characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Table 105. LTDC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Table 106. TIMx characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Table 107. LPTIMx characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Table 108. Minimum i2c_ker_ck frequency in all I2C modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Table 109. I2C analog filter characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Table 110. USART characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Table 111. SPI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Table 112. I2S dynamic characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Table 113. SAI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 Table 114. MDIO Slave timing parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 Table 115. Dynamics characteristics: SD / MMC characteristics, VDD=2.7 to 3.6 V . . . . . . . . . . . . . 237 Table 116. Dynamics characteristics: eMMC characteristics VDD=1.71V to 1.9V . . . . . . . . . . . . . . . 238 Table 117. USB OTG_FS electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 Table 118. Dynamics characteristics: USB ULPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Table 119. Dynamics characteristics: Ethernet MAC signals for SMI . . . . . . . . . . . . . . . . . . . . . . . . 242 Table 120. Dynamics characteristics: Ethernet MAC signals for RMII . . . . . . . . . . . . . . . . . . . . . . . . 243 Table 121. Dynamics characteristics: Ethernet MAC signals for MII . . . . . . . . . . . . . . . . . . . . . . . . . 243 Table 122. Dynamics JTAG characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 Table 123. Dynamics SWD characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 Table 124. VFQFPN68 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 Table 125. LQPF100 package mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Table 126. TFBGA100 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Table 127. TFBGA100 recommended PCB design rules (0.8 mm pitch BGA). . . . . . . . . . . . . . . . . . 254 Table 128. WLCSP115 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 Table 129. WLCSP115 recommended PCB design rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Table 130. LQFP144 package mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Table 131. UFBGA169 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 Table 132. UFBGA169 recommended PCB design rules (0.5 mm pitch BGA) . . . . . . . . . . . . . . . . . 263 Table 133. LQFP176 package mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 Table 134. UFBGA176+25 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269 Table 135. UFBGA176+25 recommended PCB design rules (0.65 mm pitch BGA) . . . . . . . . . . . . . 270 Table 136. Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Table 137. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
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List of figures |
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List of figures
Figure 1. |
STM32H725xE/G block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 17 |
Figure 2. |
Power-up/power-down sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 28 |
Figure 3. |
STM32H725xE/G bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 33 |
Figure 4. |
VFQFPN68 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 57 |
Figure 5. |
TFBGA100 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 57 |
Figure 6. |
LQFP100 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 58 |
Figure 7. |
WLCSP115 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 59 |
Figure 8. |
LQFP144 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 60 |
Figure 9. |
LQFP176 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 61 |
Figure 10. UFBGA169 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 62 |
|
Figure 11. |
UFBGA176+25 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . 62 |
Figure 12. |
Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 114 |
Figure 13. |
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 114 |
Figure 14. |
Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 115 |
Figure 15. |
Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 116 |
Figure 16. |
External capacitor CEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 121 |
Figure 17. External components for SMPS step-down converter . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 122 |
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Figure 18. Typical SMPS efficiency (%) vs load current (A) in Run mode at TJ = 30 °C. . . . . . . |
. . . 135 |
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Figure 19. Typical SMPS efficiency (%) vs load current (A) in Run mode at TJ = TJmax . . . . . . |
. . . 136 |
|
Figure 20. |
Typical SMPS efficiency (%) vs load current (A) in Stop and |
|
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DStop modes at TJ = 30 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 136 |
Figure 21. Typical SMPS efficiency (%) vs load current (A) in low-power mode at TJ = TJmax |
. . . 137 |
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Figure 22. High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 140 |
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Figure 23. Low-speed external clock source AC timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 141 |
|
Figure 24. Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 143 |
|
Figure 25. Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 144 |
|
Figure 26. |
VIL/VIH for all I/Os except BOOT0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 156 |
Figure 27. |
Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 164 |
Figure 28. |
Asynchronous non-multiplexed SRAM/PSRAM/NOR read waveforms . . . . . . . . . . . |
. . . 165 |
Figure 29. |
Asynchronous non-multiplexed SRAM/PSRAM/NOR write waveforms . . . . . . . . . . . |
. . . 167 |
Figure 30. |
Asynchronous multiplexed PSRAM/NOR read waveforms. . . . . . . . . . . . . . . . . . . . . |
. . . 169 |
Figure 31. |
Synchronous multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 172 |
Figure 32. |
Synchronous multiplexed PSRAM write timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 174 |
Figure 33. |
Synchronous non-multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . |
. . . 176 |
Figure 34. |
Synchronous non-multiplexed PSRAM write timings . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 178 |
Figure 35. NAND controller waveforms for read access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 180 |
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Figure 36. NAND controller waveforms for write access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 181 |
|
Figure 37. NAND controller waveforms for common memory read access . . . . . . . . . . . . . . . . . |
. . . 181 |
|
Figure 38. NAND controller waveforms for common memory write access. . . . . . . . . . . . . . . . . |
. . . 182 |
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Figure 39. SDRAM read access waveforms (CL = 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 183 |
|
Figure 40. |
SDRAM write access waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 185 |
Figure 41. |
OCTOSPI SDR read/write timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 187 |
Figure 42. OCTOSPI DTR mode timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 188 |
|
Figure 43. |
OCTOSPI Hyperbus clock timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 190 |
Figure 44. |
OCTOSPI Hyperbus read timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 190 |
Figure 45. |
OCTOSPI Hyperbus write timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 191 |
Figure 46. |
ADC accuracy characteristics (12-bit resolution) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 198 |
Figure 47. |
Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 198 |
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Figure 48. Power supply and reference decoupling (VREF+ not connected to VDDA). . . . . . . . . . . . . 199 Figure 49. Power supply and reference decoupling (VREF+ connected to VDDA). . . . . . . . . . . . . . . . 199 Figure 50. 12-bit buffered /non-buffered DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Figure 51. Channel transceiver timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 Figure 52. DCMI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Figure 53. LCD-TFT horizontal timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224 Figure 54. LCD-TFT vertical timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224 Figure 55. USART timing diagram in Master mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228 Figure 56. USART timing diagram in Slave mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Figure 57. SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 Figure 58. SPI timing diagram - slave mode and CPHA = 1(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 Figure 59. SPI timing diagram - master mode(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 Figure 60. I2S slave timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 Figure 61. I2S master timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Figure 62. SAI master timing waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 Figure 63. SAI slave timing waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 Figure 64. MDIO Slave timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237 Figure 65. SDIO high-speed mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Figure 66. SD default mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Figure 67. DDR mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Figure 68. ULPI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Figure 69. Ethernet SMI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Figure 70. Ethernet RMII timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Figure 71. Ethernet MII timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 Figure 72. JTAG timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 Figure 73. SWD timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 Figure 74. VFQFPN68 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246 Figure 75. VFQFPN68 package recommended footprint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 Figure 76. VFQFPN68 marking example (package top view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 Figure 77. LQFP100 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Figure 78. LQFP100 package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 Figure 79. LQFP100 marking example (package top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Figure 80. TFBGA100 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Figure 81. TFBGA100 package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Figure 82. TFBGA100 marking example (package top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Figure 83. WLCSP115 package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 Figure 84. WLCSP115 package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 Figure 85. WLCSP115 marking example (package top view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Figure 86. LQFP144 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Figure 87. LQFP144 package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 Figure 88. LQFP144 marking example (package top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Figure 89. UFBGA169 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 Figure 90. UFBGA169 recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Figure 91. UFBGA169 marking example (package top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 Figure 92. LQFP176 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 Figure 93. LQFP176 package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 Figure 94. LQFP176 marking example (package top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268 Figure 95. UFBGA176+25 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269 Figure 96. UFBGA176+25 package recommended footprint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Figure 97. UFBGA176+25 marking example (package top view . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
DS13311 Rev 2 |
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STM32H725xE/G |
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This document provides information on STM32H725xE/G microcontrollers, such as description, functional overview, pin assignment and definition, packaging, and ordering information.
This document should be read in conjunction with the STM32H725xE/G reference manual (RM0468), available from the STMicroelectronics website www.st.com.
For information on the Arm®(a) Cortex®-M7 core, refer to the Cortex®-M7 Technical Reference Manual, available from the http://www.arm.com website.
a. Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
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Description |
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STM32H725xE/G devices are based on the high-performance Arm® Cortex®-M7 32-bit RISC core operating at up to 550 MHz. The Cortex® -M7 core features a floating point unit (FPU) which supports Arm® double-precision (IEEE 754 compliant) and single-precision data-processing instructions and data types. The Cortex -M7 core includes 32 Kbytes of instruction cache and 32 Kbytes of data cache. STM32H725xE/G devices support a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
STM32H725xE/G devices incorporate high-speed embedded memories with up to 1 Mbyte of Flash memory, up to 564 Kbytes of RAM (including 192 Kbytes that can be shared between ITCM and AXI, plus 64 Kbytes exclusively ITCM, plus 128 Kbytes exclusively AXI, 128 Kbyte DTCM, 48 Kbytes AHB and 4 Kbytes of backup RAM), as well as an extensive range of enhanced I/Os and peripherals connected to APB buses, AHB buses, 2x32-bit multi-AHB bus matrix and a multi layer AXI interconnect supporting internal and external memory access. To improve application robustness, all memories feature error code correction (one error correction, two error detections).
The devices embed peripherals allowing mathematical/arithmetic function acceleration (CORDIC co-processor for trigonometric functions and FMAC unit for filter functions). All the devices offer three ADCs, two DACs, two operational amplifiers, two ultra-low power comparators, a low-power RTC, 4 general-purpose 32-bit timers, 12 general-purpose 16-bit timers including two PWM timers for motor control, five low-power timers, a true random number generator (RNG). The devices support four digital filters for external sigma-delta modulators (DFSDM). They also feature standard and advanced communication interfaces.
•Standard peripherals
–Five I2Cs
–Five USARTs, five UARTs and one LPUART
–Six SPIs, four I2Ss in Half-duplex mode. To achieve audio class accuracy, the I2S peripherals can be clocked by a dedicated internal audio PLL or by an external clock to allow synchronization. (Note that the five USARTs also provide SPI slave capability.)
–Two SAI serial audio interfaces
–One SPDIFRX interface with four inputs
–One SWPMI (Single Wire Protocol Master Interface)
–Management Data Input/Output (MDIO) slaves
–Two SDMMC interfaces
–A USB OTG high-speed interface with full-speed capability (with the ULPI)
–Two FDCANs plus one TT-FDCAN interface
–An Ethernet interface
–Chrom-ART Accelerator
–HDMI-CEC
DS13311 Rev 2 |
15/276 |
Description |
STM32H725xE/G |
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•Advanced peripherals including
–A flexible memory control (FMC) interface
–Two Octo-SPI memory interfaces
–A camera interface for CMOS sensors
–An LCD-TFT display controller
Refer to Table 2: STM32H725xE/G features and peripheral counts for the list of peripherals available on each part number.
To reduce the power consumption the STM32H725xE/G include an optional step-down converter that can be used either for internal or external supply, or both.
STM32H725xE/G devices operate in the –40 to +125 °C ambient temperature range from a 1.62 to 3.6 V power supply. The supply voltage can drop down to 1.62 V by using an external power supervisor (see Section 3.7.2: Power supply supervisor) and connecting the PDR_ON pin to VSS. Otherwise the supply voltage must stay above 1.71 V with the embedded power voltage detector enabled.
Dedicated supply inputs for USB are available to allow a greater power supply choice.
A comprehensive set of power-saving modes allows the design of low-power applications.
STM32H725xE/G devices are offered in several packages ranging from 68 to 176 pins/balls. The set of included peripherals changes with the device chosen.
These features make STM32H725xE/G microcontrollers suitable for a wide range of applications:
•Motor drive and application control
•Medical equipment
•Industrial applications: PLC, inverters, circuit breakers
•Printers, and scanners
•Alarm systems, video intercom, and HVAC
•Home audio appliances
•Mobile applications, Internet of Things
•Wearable devices: smart watches.
Figure 1 shows the device block diagram.
16/276 |
DS13311 Rev 2 |
STM32H725xE/G |
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Description |
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Figure 1. STM32H725xE/G block diagram |
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MII / RMII |
D[7:0],DP, DM, STP, |
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To APB1-2 |
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MDIO |
D123DIR,NXT,ULPI:CK |
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D0DIR, |
, D[7:0], DIR, |
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peripherals |
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as AF |
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CMD, CKas AF |
ID, VBUS |
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D-TCM |
D-TCM |
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AHB1 (275MHz) |
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64KB |
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64KB |
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ETHER |
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PHY |
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Shared AXI |
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DMA1 |
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DMA2 |
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MAC |
SDMMC2 |
OTG_HS |
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I-TCM 192KB |
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8 Stream |
8 Stream |
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DMA/ |
FIFO |
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DMA/ |
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NJTRST, JTDI, |
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Arm CPU |
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FIFOs |
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FIFOs |
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FIFO |
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FIFO |
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JTCK/SWCLK |
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JTAG/SW |
Cortex- |
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JTDO/SWDIO, JTDO |
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550 MHz |
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TRACECLK
TRACED[3:0]
LCD_R[7:0], LCD_G[7:0],
LCD_B[7:0], LCD_HSYNC, LCD_VSYNC, LCD_DE, LCD_CLK
D[7:0], D123DIR, D0DIR,
CMD, CKas AF
HSYNC, VSYNC, PIXCLK, D[13:0] PDCK, DE, RDY, D[15:0]
CKOUT, DATIN[7:0], CKIN[7:0]
SD_[A;B], SCK_[A;B], FS_[A;B],
MCLK_[A;B], D[3:1], CK[2:1] as AF
MOSI, MISO, SCK, NSS as AF
1 compl. chan.(TIM17_CH1N),
1 chan. (TIM17_CH1, BKIN as AF
1 compl. chan.(TIM16_CH1N),
1 chan. (TIM16_CH1, BKIN as AF
2 compl. chan.(TIM15_CH1[1:2]N),
2 chan. (TIM_CH15[1:2], BKIN as AF
MOSI, MISO, SCK, NSS as AF
MOSI, MISO, SCK, NSS / SDO, SDI, CK, WS, MCK, as AF
RX, TX, CTS, RTS, DE as AF
RX, TX, CK, CTS, RTS, DE as AF
RX, TX, CK, CTS, RTS, DE as AF
RX, TX, CK, CTS, RTS, DE as AF
CH[1:4]N, CH[1:4], ETR, BKIN, BKIN2
as AF
CH[1:4]N, CH[1:4], ETR, BKIN, BKIN2
as AF
Up to 17 analog inputs
Some common to ADC1 and 2
ETM |
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FLASH |
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32-bit AHB BUS-MATRIX |
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I-Cache |
D-Cache |
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FMC |
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<![if ! IE]> <![endif]>(275MHz) |
16 KB |
16 KB |
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32KB |
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16 Streams |
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signals |
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32KB |
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<![if ! IE]> <![endif]>OCTOSPI2OCTOSPI1 |
FMC_signals |
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DMA |
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AHBS |
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<![if ! IE]> <![endif]>(275MHz)AHB2 |
Mux1 |
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SRAM1 SRAM2 |
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<![if ! IE]> <![endif]>MATRIX-BUS |
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OCTOSPI1 |
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MDMA |
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FIFO |
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<![if ! IE]> <![endif]>OCTOSPIM |
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RNG |
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<![if ! IE]> <![endif]>AHB1 |
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ADC1 |
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CHROM-ART |
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CORDIC |
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ADC2 |
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Up to 20 analog inputs Most |
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FIFO |
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are common to ADC1 & 2 |
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(DMA2D) |
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FMAC |
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AHB/APB |
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<![if ! IE]> <![endif]>(138MHz)APB3 |
LCD-TFT |
FIFO |
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OCTOSPI2 |
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32b |
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TIM2 |
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CH[4;1], ETR as AF |
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AHB/APB |
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<![if ! IE]> <![endif]>64-bitAXI |
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signals |
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32b |
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TIM5 |
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CH[4;1], ETR as AF |
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16b |
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TIM3 |
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CH[4;1], ETR as AF |
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WWDG |
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DLYBOS1-2 |
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16b |
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TIM4 |
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CH[4;1], ETR as AF |
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DLYBSD1 |
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<![if ! IE]> <![endif]>AHB3 |
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TIM6 |
16b |
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32b |
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TIM23 |
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CH[4;1], ETR as AF |
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SDMMC1 |
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FIFO |
AXI/AHB34 (275MHz) |
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TIM7 |
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32b |
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TIM24 |
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CH[4;1], ETR as AF |
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16b |
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16b |
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TIM12 |
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CH[2;1] as AF |
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DLYBSD2 |
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AHB2 (275MHz) |
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<![if ! IE]> <![endif]>AHB4 |
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SWPMI |
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16b |
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TIM13 |
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CH1 as AF |
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DCMI |
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16b |
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TIM14 |
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CH1 as AF |
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PSSI |
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AHB/APB |
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USART2 |
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RX, TX, CK, CTS, RTS, DE as AF |
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USART3 |
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RX, TX, CK, CTS, RTS, DE as AF |
DFSDM |
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UART4 |
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RX, TX, CTS, RTS, DE as AF |
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UART5 |
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RX, TX, CTS, RTS, DE as AF |
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<![if ! IE]> <![endif]>FIFO |
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SAI1 |
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UART7 |
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RX, TX, CTS, RTS, DE as AF |
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SPI5 |
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UART8 |
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RX, TX, CTS, RTS, DE as AF |
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SPI2/I2S2 |
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MOSI, MISO, SCK, NSS / |
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TIM17 |
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<![if ! IE]> <![endif]>MHz3 |
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SDO, SDI, CK, WS, MCK, as AF |
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SPI3/I2S3 |
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MOSI, MISO, SCK, NSS / |
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TIM16 |
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<![if ! IE]> <![endif]>B 10 |
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SDO, SDI, CK, WS, MCK, as AF |
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I2C1/SMBUS |
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<![if ! IE]> <![endif]>APB2138 MHz (max) |
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<![if ! IE]> <![endif]>MEMD3AHB4(275MHz) |
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<![if ! IE]> <![endif]>P |
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SCL, SDA, SMBA as AF |
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USART10 |
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<![if ! IE]> <![endif]>AHB4 |
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<![if ! IE]> <![endif]>AHB4 |
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<![if ! IE]> <![endif]>SRAMKB10 |
<![if ! IE]> <![endif]>MHz138APB1(max) |
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<![if ! IE]> <![endif]>filter Digital |
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TIM15 |
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<![if ! IE]> <![endif]>A |
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SPI4 |
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I2C2/SMBUS |
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SCL, SDA, SMBA as AF |
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SPI1/I2S1 |
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DMA |
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I2C3/SMBUS |
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SCL, SDA, SMBA as AF |
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UART9 |
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Mux2 |
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I2C5/SMBUS |
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SCL, SDA, SMBA as AF |
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AHB4 |
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BDMA |
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DAP |
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USBCR |
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USART6 |
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<![if ! IE]> <![endif]>AHB4 |
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32-bit AHB BUS-MATRIX |
RAM |
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MDIOS |
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MDC, MDIO as AF |
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TT-FDCAN1 |
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TX, RX, RXFD_MODE, |
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USART1 |
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<![if ! IE]> <![endif]>(275MHz) |
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I/F |
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FDCAN2 |
<![if ! IE]> <![endif]>FIFO |
TXFD_MODE as AF |
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4 KB BKP |
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TX, RX, RXFD_MODE, |
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TIM1/PWM 16b |
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FDCAN3 |
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TXFD_MODE as AF |
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HSEM |
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TX, RX, RXFD_MODE, |
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SPDIFRX1 |
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TXFD_MODE as AF |
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TIM8/PWM 16b |
CRC |
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<![if ! IE]> <![endif]>AHB4 |
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16 KB SRAM |
RAM |
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IN[1:4] as AF |
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HDMI-CEC |
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CEC as AF |
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ADC3 |
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PA..H[15:0] GPIO PORTA.. H
PJ,PK[11:0] GPIO PORTJ,K
<![endif]>AHB4
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DAC |
OUT1, OUT2 as AF |
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LPTIM1 |
IN1, IN2, ETR, OUT as AF |
RCC |
16b |
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OPAMP1 |
VINM, VINP, VOUT as AF |
SD_[A;B], SCK_[A;B], FS_[A;B],
MCLK_[A;B], D[3:1], CK[2:1] as AF
COMPx_INP, COMPx_INM,
COMPx_OUT as AF
OUT as AF
OUT as AF
OUT as AF
SCL, SDA, SMBA as AF
MOSI, MISO, SCK, NSS / SDO, SDI, CK, WS, MCK, as AF
RX, TX, CK, CTS, RTS as AF
IN1, IN2, ETR, OUT as AF
SAI4 |
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COMP1&2 |
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LPTIM5 |
16b |
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LPTIM4 |
16b |
<![if ! IE]> <![endif]>(max) |
LPTIM3 |
16b |
|
I2C4 |
|
<![if ! IE]> <![endif]>138 MHz |
SPI6/I2S6 |
|
|
LPUART1 |
|
<![if ! IE]> <![endif]>APB4 |
|
|
|
LPTIM2 |
16b |
|
VREF
SYSCFG
EXTI WKUP
IWDG
Temperature
sensor
|
|
|
Reset & |
|
<![if ! IE]> <![endif]>(275MHz)AHB4 |
||
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control |
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AHB/APB |
||
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@VDD |
|
<![if ! IE]> <![endif]>(max) |
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<![if ! IE]> <![endif]>(max)138138MHzAPB4APB4 |
|
HSI |
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HSI RC |
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||||
HSI48 |
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HSI48 RC |
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CSI |
|
CSI RC |
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||
LSI |
|
LSI RC |
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||
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||||
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PLL1+PLL2+PLL3 |
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OPAMP2
@VDD
VCORE BBgen + POWER MNGT
<![if ! IE]> <![endif]>PWRCTRL |
|
|
Voltage |
|
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|
|
regulator |
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|
3.3 to 1.2V |
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@VSW |
|||
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<![if ! IE]> <![endif]>LS |
|
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XTAL 32 kHz |
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RTC |
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Backup registers |
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<![if ! IE]> <![endif]>LS |
AWU |
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||
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|
@VDD
XTAL OSC
4- 48 MHz
VINM, VINP, VOUT as AF
VDD
VSS
VCAP, VDDLDO VDDSMPS, VSSSMPS, VLXSMPS, VFBSMPS
VBAT
OSC32_IN
OSC32_OUT
TS, TAMP1, TAMP3, OUT, REFIN
OSC_IN
OSC_OUT
|
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@VDD |
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||
POR |
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SUPPLY SUPERVISION |
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||||
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VDDA, VSSA |
||||||
reset |
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POR/PDR/BOR |
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NRESET |
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Int |
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PVD |
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WKUP[1;2;4;6] |
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|
MSv52562V4
DS13311 Rev 2 |
17/276 |
|
Description |
|
|
|
|
|
|
|
|
STM32H725xE/G |
|
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|
|
Table 2. STM32H725xE/G features and peripheral counts |
|
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|
|||||||
|
|
|
STM32H |
STM32H |
STM32H |
STM32H |
STM3 |
STM32H |
STM32H |
STM32H |
|
|
|
Peripherals |
725REV/ |
725VET/ |
725VEH/ |
725ZET/ |
|
2H725 |
725AEI/ |
725IEK/ |
725IET/ |
|
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|
|
RGV |
VGT |
VGH |
ZGT |
|
VGY |
AGI |
IGK |
IGT |
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Flash memory (Kbytes) |
512/ |
512/ |
512/ |
512/ |
|
1024 |
512/ |
512/ |
512/ |
|
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|
1024 |
1024 |
1024 |
1024 |
|
1024 |
1024 |
1024 |
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|||||||
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SRAM |
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mapped onto |
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128 |
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|
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AXI bus |
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SRAM |
SRAM1 |
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16 |
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(D2 domain) |
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(Kbytes) |
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SRAM2 |
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16 |
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(D2 domain) |
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SRAM4 |
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16 |
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(D3 domain) |
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RAM shared between ITCM |
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192 |
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|||
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and AXI (Kbytes) |
|
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ITCM RAM |
|
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64 |
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TCM RAM in |
(instruction) |
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||
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Kbytes |
DTCM RAM |
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128 |
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(data) |
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Backup SRAM (Kbytes) |
|
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4 |
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Interface |
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1 |
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NOR Flash |
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memory/ |
- |
- |
- |
- |
|
- |
yes |
yes |
yes |
|
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|
RAM |
|
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||||||||
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controller |
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Multiplexed |
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I/O |
- |
yes |
yes |
yes |
|
- |
yes |
yes |
yes |
|
|
FMC |
NOR Flash |
|
|
||||||||
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memory |
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16-bit NAND |
- |
yes |
yes |
yes |
|
yes |
yes |
yes |
yes |
|
|
|
Flash memory |
|
|
||||||||
|
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|
16-bit SDRAM |
- |
- |
- |
- |
|
- |
yes |
yes |
yes |
|
|
|
controller |
|
|
||||||||
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|
24-bit SDRAM |
- |
- |
- |
- |
|
- |
- |
yes |
- |
|
|
|
controller(1) |
|
|
||||||||
|
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|
GPIO |
|
46 |
67 |
74 |
97 |
|
67 |
121 |
128 |
119 |
|
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|
|
1 Quad- |
2 Quad- |
2(2) |
2(2) |
|
2 |
|
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|
|
|
OctoSPI interface |
|
Quad- |
2 |
2 |
2 |
|
|||||
|
SPI |
SPI |
|
|
||||||||
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SPI |
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OTFDEC |
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no |
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||
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Cordic |
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yes |
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||
|
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|
|
|
|
|
|
|
|
|
|
18/276 |
DS13311 Rev 2 |
|
STM32H725xE/G |
|
|
|
|
|
|
|
Description |
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Table 2. STM32H725xE/G features and peripheral counts (continued) |
|
|
||||||||
|
|
|
STM32H |
STM32H |
STM32H |
STM32H |
STM3 |
STM32H |
STM32H |
STM32H |
|
|
|
Peripherals |
725REV/ |
725VET/ |
725VEH/ |
725ZET/ |
|
2H725 |
725AEI/ |
725IEK/ |
725IET/ |
|
|
|
|
|
RGV |
VGT |
VGH |
ZGT |
|
VGY |
AGI |
IGK |
IGT |
|
|
|
|
|
|
|
|
|
|
|
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|
|
FMAC |
|
|
|
|
yes |
|
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||
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|
General |
|
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|
|
|
|
|
|
purpose 32 |
2 |
2 |
2 |
2 |
|
2 |
2 |
2 |
2 |
|
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|
bits |
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|
General |
|
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|
|
|
|
|
purpose 16 |
10 |
10 |
10 |
10 |
|
10 |
10 |
10 |
10 |
|
|
|
bits |
|
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|
Advanced |
2(3) |
|
2(3) |
|
|
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|
|
|
|
|
|
control |
2 |
2 |
|
2 |
2 |
2 |
2 |
|
||
|
Timers |
(PWM) |
|
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|
Basic |
2 |
2 |
2 |
2 |
|
2 |
2 |
2 |
2 |
|
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|
|
|
|
|
|
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|
|
Low-power |
5 |
5 |
5 |
5 |
|
5 |
5 |
5 |
5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RTC |
1 |
1 |
1 |
1 |
|
1 |
1 |
1 |
1 |
|
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|
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|
|
|
Window |
|
|
|
|
|
|
|
|
|
|
|
|
watchdog / |
2 |
2 |
2 |
2 |
|
2 |
2 |
2 |
2 |
|
|
|
independent |
|
|
||||||||
|
|
|
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|
|
|
|
watchdog |
|
|
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|
|
|
|
|
|
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|
|
Wakeup pins |
|
3 |
4 |
4 |
4 |
|
4 |
4 |
4 |
4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Tamper pins |
|
1 |
2 |
2 |
2 |
|
2 |
2 |
2 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
||
|
Random number generator |
|
|
|
yes |
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
||
|
Cryptographic accelerator |
|
|
|
no |
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
DS13311 Rev 2 |
19/276 |
|
Description |
|
|
|
|
|
|
|
STM32H725xE/G |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Table 2. STM32H725xE/G features and peripheral counts (continued) |
|
|
|||||||
|
|
|
STM32H |
STM32H |
STM32H |
STM32H |
STM3 |
STM32H |
STM32H |
STM32H |
|
|
Peripherals |
725REV/ |
725VET/ |
725VEH/ |
725ZET/ |
2H725 |
725AEI/ |
725IEK/ |
725IET/ |
|
|
|
|
|
RGV |
VGT |
VGH |
ZGT |
VGY |
AGI |
IGK |
IGT |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SPI / I2S |
4/4 |
5/4(3) |
5/4 |
6/4 |
6/4 |
4/4 |
6/4 |
6/4 |
|
|
|
I2C |
4 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
USART/ |
|
|
|
|
|
|
|
|
|
|
|
UART/ |
3/4/1 |
4/4/1 |
4/6/1 |
5/5/1 |
4/4/1 |
5/5/1 |
5/5/1 |
5/5/1 |
|
|
|
LPUART |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SAI/PDM |
1/0(3) |
2/1(3) |
2/1(3) |
2/1 |
1/1(3) |
2/1 |
2/1 |
2/1 |
|
|
|
SPDIFRX |
|
|
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
HDMI-CEC |
|
|
|
1 |
|
|
|
|
|
|
Commu- |
|
|
|
|
|
|
|
|
|
|
|
SWPMI |
|
|
|
1 |
|
|
|
|
|
|
|
nication |
|
|
|
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|
|
|
||
|
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|
|
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|
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|
|
|
MDIO |
|
|
|
1 |
|
|
|
|
|
|
|
interfaces |
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SDMMC |
|
|
|
2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
FDCAN/ |
1/1 |
2/1 |
2/1 |
2/1 |
2/1 |
2/1 |
2/1 |
2/1 |
|
|
|
TT-FDCAN |
|
||||||||
|
|
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|
|
USB |
|
|
|
|
|
|
|
|
|
|
|
[OTG_HS(UL |
1 [0/1] |
1 [1/1] |
1 [1/1] |
1 [1/1] |
1 [0/1] |
1 [1/1] |
1 [1/1] |
1 [1/1] |
|
|
|
PI)/ |
|
||||||||
|
|
|
|
|
|
|
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|
|
|
|
|
|
FS(PHY)] |
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
Ethernet |
- |
1 [1/1] |
1 [1/1] |
1 [1/1] |
1 [0/1] |
1 [1/1] |
1 [1/1] |
1 [1/1] |
|
|
|
[MII/RMII] |
|
||||||||
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Camera interface/PSSI |
|
|
|
yes |
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
LCD-TFT |
|
yes(3) |
yes(3) |
yes(3) |
yes |
yes |
yes |
yes |
yes |
|
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Chrom-ART Accelerator |
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yes |
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(DMA2D) |
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Number of |
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2 |
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ADCs |
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Number of |
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Direct |
0 |
0 |
2/2 |
0 |
2/2 |
2/2 |
2/2 |
0 |
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channels |
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16-bit ADCs |
ADC1/ADC2 |
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Number of |
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Fast channels |
3/2 |
3/2 |
3/2 |
4/2 |
3/2 |
6/5 |
6/5 |
4/3 |
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ADC1/ADC2 |
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Number of |
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Slow channels |
11/10 |
11/10 |
9/8 |
11/11 |
9/8 |
12/11 |
12/11 |
12/11 |
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ADC1/ADC2 |
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20/276 |
DS13311 Rev 2 |
|
STM32H725xE/G |
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Description |
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Table 2. STM32H725xE/G features and peripheral counts (continued) |
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|||||||
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STM32H |
STM32H |
STM32H |
STM32H |
STM3 |
STM32H |
STM32H |
STM32H |
|
|
Peripherals |
725REV/ |
725VET/ |
725VEH/ |
725ZET/ |
2H725 |
725AEI/ |
725IEK/ |
725IET/ |
|
|
|
|
|
RGV |
VGT |
VGH |
ZGT |
VGY |
AGI |
IGK |
IGT |
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Number of |
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1 |
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ADCs |
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Number of |
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Direct |
0 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
|
|
12-bit ADCs |
channels |
|
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|
|
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Number of |
0 |
2 |
6 |
4 |
6 |
6 |
6 |
6 |
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Fast channels |
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||||||||
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Number of |
2 |
0 |
9 |
3 |
9 |
9 |
9 |
4 |
|
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Slow channels |
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||||||||
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Present in IC |
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yes |
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12-bit DAC |
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Number of |
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2 |
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channels |
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Comparators |
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2 |
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Operational amplifiers |
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2 |
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DFSDM |
Present in IC |
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yes |
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Maximum CPU frequency |
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550 MHz |
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USB separate supply pad |
- |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
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USB internal regulator |
- |
- |
- |
yes |
yes |
yes |
yes |
yes |
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LDO |
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- |
yes |
yes |
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yes |
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SMPS step-down converter |
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yes |
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||
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|
DS13311 Rev 2 |
21/276 |
|
Description |
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STM32H725xE/G |
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Table 2. STM32H725xE/G features and peripheral counts (continued) |
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|
|||||||
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|
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STM32H |
STM32H |
STM32H |
STM32H |
STM3 |
STM32H |
STM32H |
STM32H |
|
|
Peripherals |
725REV/ |
725VET/ |
725VEH/ |
725ZET/ |
2H725 |
725AEI/ |
725IEK/ |
725IET/ |
|
|
|
|
|
RGV |
VGT |
VGH |
ZGT |
VGY |
AGI |
IGK |
IGT |
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|
|
Operating voltage |
1.71 to 3.6 V |
|
|
1.62 to 3.6 V |
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|||
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|
1.62 to 3.6 V |
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|||||
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Ambient |
|
|
|
-40°C to +85°C |
|
|
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|
Operating |
temperature |
|
|
|
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|
||
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||
|
temperatures |
Junction |
|
|
|
-40°C to +125°C |
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|||
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temperature |
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Extended |
Ambient |
|
|
|
-40°C to +125°C |
|
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|
|
temperature |
|
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|||
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operating |
|
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|
|
temperatures |
Junction |
|
|
|
-40°C to +140°C |
|
|
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|
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(4) |
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|||
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temperature |
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Package |
|
VFQFPN |
LQFP |
TFBGA |
LQFP |
WLCS |
UFBGA |
UFBGA |
LQFP17 |
|
|
|
P |
|
||||||||
|
|
68 |
100 |
100 |
144 |
169 |
176+25 |
6 |
|
||
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|
115 |
|
|||||||
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1.The 24-bit SDRAM controller is a 32-bit controller with only a 24-bit data bus and without NBL2-3. It can be used for graphical purposes to access aligned 32-bit words ignoring upper 8 bits.
2.The two Octo-SPI/Quad-SPI interfaces are available only in Muxed mode.
3.For limitations on peripheral features depending on packages, check the available pins/balls in Table 8: STM32H725 pin and ball descriptions.
4.The extended temperature range is not available on WLCSP115 package.
22/276 |
DS13311 Rev 2 |
STM32H725xE/G |
Functional overview |
|
|
3.1Arm® Cortex®-M7 with FPU
The Arm® Cortex®-M7 with double-precision FPU processor is the latest generation of Arm processors for embedded systems. It was developed to provide a low-cost platform that meets the needs of MCU implementation, with a reduced pin count and optimized power consumption, while delivering outstanding computational performance and low interrupt latency.
The Cortex®-M7 processor is a highly efficient high-performance featuring:
•Six-stage dual-issue pipeline
•Dynamic branch prediction
•Harvard architecture with L1 caches (32 Kbytes of I-cache and 32 Kbytes of D-cache)
•64-bit AXI interface
•64-bit ITCM interface
•2x32-bit DTCM interfaces
The following memory interfaces are supported:
•Separate Instruction and Data buses (Harvard Architecture) to optimize CPU latency
•Tightly Coupled Memory (TCM) interface designed for fast and deterministic SRAM accesses
•AXI Bus interface to optimize Burst transfers
•Dedicated low-latency AHB-Lite peripheral bus (AHBP) to connect to peripherals.
The processor supports a set of DSP instructions which allow efficient signal processing and complex algorithm execution.
It also supports single and double precision FPU (floating point unit) speeds up software development by using metalanguage development tools, while avoiding saturation.
Figure 1 shows the general block diagram of the STM32H725xE/G family.
The memory protection unit (MPU) manages the CPU access rights and the attributes of the system resources. It has to be programmed and enabled before use. Its main purposes are to prevent an untrusted user program to accidentally corrupt data used by the OS and/or by a privileged task, but also to protect data processes or read-protect memory regions.
The MPU defines access rules for privileged accesses and user program accesses. It allows defining up to 16 protected regions that can in turn be divided into up to 8 independent subregions, where region address, size, and attributes can be configured. The protection area ranges from 32 bytes to 4 Gbytes of addressable memory.
When an unauthorized access is performed, a memory management exception is generated.
DS13311 Rev 2 |
23/276 |
Functional overview |
STM32H725xE/G |
|
|
The STM32H725xE/G devices embed up to 1 Mbyte of Flash memory that can be used for storing programs and data.
The Flash memory is organized as 266-bit Flash words memory that can be used for storing both code and data constants. Each word consists of:
•one Flash word (8 words, 32 bytes or 256 bits)
•10 ECC bits (single-error correction and double-error detection).
The Flash memory is organized as follows:
•up to 1 Mbyte of user Flash memory block containing eight user sectors of 128 Kbytes (4 K Flash memory words)
•128 Kbytes of system Flash memory from which the device can boot
•2 Kbytes (64 Flash words) of user option bytes for user configuration
All devices feature:
•from 128 to 320 Kbytes of AXI-SRAM mapped onto the AXI bus on D1 domain
•SRAM1 mapped on D2 domain: 16 Kbytes
•SRAM2 mapped on D2 domain: 16 Kbytes
•SRAM4 mapped on D3 domain: 16 Kbytes
•4 Kbytes of backup SRAM
The content of this area is protected against possible unwanted write accesses, and can be retained in Standby or VBAT mode.
•RAM mapped to TCM interface (ITCM and DTCM):
Both ITCM and DTCM RAMs are 0 wait state memories. They can be accessed either from the CPU or the MDMA (even in Sleep mode) through a specific AHB slave of the Cortex®-M7CPU(AHBSAHBP):
–64 to 256 Kbytes of ITCM-RAM (instruction RAM)
This RAM is connected to ITCM 64-bit interface designed for execution of critical real-times routines by the CPU.
–128 Kbytes of DTCM-RAM (2x 64-Kbyte DTCM-RAMs on 2x32-bit DTCM ports)
The DTCM-RAM could be used for critical real-time data, such as interrupt service routines or stack/heap memory. Both DTCM-RAMs can be used in parallel (for load/store operations) thanks to the Cortex®-M7 dual issue capability.
The MDMA can be used to load code or data in ITCM or DTCM RAMs. As reflected above, 192 Kbyte of RAM can be used either for AXI SRAM or ITCM, with a 64Kbyte granularity.
24/276 |
DS13311 Rev 2 |
STM32H725xE/G |
Functional overview |
|
|
Error code correction (ECC)
Over the product lifetime, and/or due to external events such as radiations, invalid bits in memories may occur. They can be detected and corrected by ECC. This is an expected behavior that has to be managed at final-application software level in order to ensure data integrity through ECC algorithms implementation.
SRAM data are protected by ECC:
•7 ECC bits are added per 32-bit word.
•8 ECC bits are added per 64-bit word for AXI-SRAM and ITCM-RAM.
The ECC mechanism is based on the SECDED algorithm. It supports single-error correction and double-error detection.
DS13311 Rev 2 |
25/276 |
Functional overview |
STM32H725xE/G |
|
|
At startup, the boot memory space is selected by the BOOT pin and BOOT_ADDx option bytes, allowing to program any boot memory address from 0x0000 0000 to 0x3FFF FFFF which includes:
•All Flash address space
•All RAM address space: ITCM, DTCM RAMs and SRAMs
•The System memory bootloader
The boot loader is located in non-user System memory. It is used to reprogram the Flash memory through a serial interface (USART, I2C, SPI, FDCAN, USB-DFU). Refer to application note AN2606 “STM32 microcontroller System memory Boot mode” for details.
3.5CORDIC co-processor (CORDIC)
The CORDIC co-processor provides hardware acceleration of certain mathematical functions, notably trigonometric, commonly used in motor control, metering, signal processing and many other applications.
It speeds up the calculation of these functions compared to a software implementation, allowing a lower operating frequency, or freeing up processor cycles in order to perform other tasks.
The filter mathematical accelerator unit performs arithmetic operations on vectors. It comprises a multiplier/accumulator (MAC) unit, together with address generation logic, which allows it to index vector elements held in local memory.
The unit includes support for circular buffers on input and output, which allows digital filters to be implemented. Both finite and infinite impulse response filters can be realized.
The unit allows frequent or lengthy filtering operations to be offloaded from the CPU, freeing up the processor for other tasks. In many cases it can accelerate such calculations compared to a software implementation, resulting in a speed-up of time critical tasks.
CORDIC features
•24-bit CORDIC rotation engine
•Circular and Hyperbolic modes
•Rotation and Vectoring modes
•Functions: Sine, Cosine, Sinh, Cosh, Atan, Atan2, Atanh, Modulus, Square root, Natural logarithm
•Programmable precision up to 20-bit
•Fast convergence: 4 bits per clock cycle
•Supports 16-bit and 32-bit fixed point input and output formats
•Low latency AHB slave interface
•Results can be read as soon as ready without polling or interrupt
•DMA read and write channels
26/276 |
DS13311 Rev 2 |
STM32H725xE/G |
Functional overview |
|
|
The filter mathematical accelerator unit performs arithmetic operations on vectors. It comprises a multiplier/accumulator (MAC) unit, together with address generation logic, which allows it to index vector elements held in local memory.
The unit includes support for circular buffers on input and output, which allows digital filters to be implemented. Both finite and infinite impulse response filters can be realized.
The unit allows frequent or lengthy filtering operations to be offloaded from the CPU, freeing up the processor for other tasks. In many cases it can accelerate such calculations compared to a software implementation, resulting in a speed-up of time critical tasks.
FMAC features
•16 x 16-bit multiplier
•24+2-bit accumulator with addition and subtraction
•16-bit input and output data
•256 x 16-bit local memory
•Up to three areas can be defined in memory for data buffers (two input, one output), defined by programmable base address pointers and associated size registers
•Input and output sample buffers can be circular
•Buffer “watermark” feature reduces overhead in interrupt mode
•Filter functions: FIR, IIR (direct form 1)
•AHB slave interface
•DMA read and write data channels
STM32H725xE/G power supply voltages are the following:
•VDD = 1.62 to 3.6 V: external power supply for I/Os, provided externally through VDD pins.
•VDDLDO = 1.62 to 3.6 V: supply voltage for the internal regulator supplying VCORE
•VDDA = 1.62 to 3.6 V: external analog power supplies for ADC, DAC, COMP and OPAMP.
•VDD33USB: allows the support of a VDD supply different from 3.3 V while powering the USB transceiver with 3.3V on VDD33USB.
•VDD50USB can be supplied through the USB cable to generate the VDD33USB via the USB internal regulator. This allows support of a VDD supply different to 3.3 V.
The USB regulator can be bypassed to supply directly VDD33USB if VDD = 3.3 V.
•VBAT = 1.2 to 3.6 V: power supply for the VSW domain when VDD is not present.
•VCAP: VCORE supply voltage, which values depend on voltage scaling (1.0 V, 1.1 V, 1.2 V or 1.35 V). They are configured through VOS bits in PWR_D3CR register. The
DS13311 Rev 2 |
27/276 |
Functional overview |
STM32H725xE/G |
|
|
VCORE domain is split into the following power domains that can be independently switch off.
–D1 domain containing some peripherals and the Cortex®-M7 core
–D2 domain containing a large part of the peripherals
–D3 domain containing some peripherals and the system control
•VDDSMPS= 1.62 V to 3.6 V: SMPS step-down converter power supply VDDSMPS must be kept at the same voltage level as VDD
•VLXSMPS = SMPS step-down converter output coupled to an inductor
•VFBSMPS = VCORE or 1.8 V or 2.5 V external SMPS step-down converter feedback voltage sense input.
During power-up and power-down phases, the following power sequence requirements must be respected (see Figure 2):
•When VDD is below 1 V, other power supplies (VDDA, VDD33USB, VDD50USB) must remain below VDD + 300 mV.
•When VDD is above 1 V, all power supplies are independent.
During the power-down phase, VDD can temporarily become lower than other supplies only if the energy provided to the microcontroller remains below 1 mJ. This allows external decoupling capacitors to be discharged with different time constants during the power-down transient phase.
|
V |
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|
|
3.6 |
(1) |
|
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|
VDDX |
|
|
|
|
VDD |
|
|
|
VBOR0 |
|
|
|
|
1 |
|
|
|
|
0.3 |
|
|
|
|
Power-on |
Operating mode |
Power-down |
time |
|
Invalid supply area |
VDDX < VDD + 300 mV |
VDDX independent from VDD |
|
|
|
|
|
MSv47490V1 |
1. |
VDDx refers to any power supply among VDDA, VDD33USB, VDD50USB. |
|
28/276 |
DS13311 Rev 2 |
STM32H725xE/G |
Functional overview |
|
|
The devices have an integrated power-on reset (POR)/ power-down reset (PDR) circuitry coupled with a Brownout reset (BOR) circuitry:
•Power-on reset (POR)
The POR supervisor monitors VDD power supply and compares it to a fixed threshold. The devices remain in Reset mode when VDD is below this threshold,
•Power-down reset (PDR)
The PDR supervisor monitors VDD power supply. A reset is generated when VDD drops below a fixed threshold.
The PDR supervisor can be enabled/disabled through PDR_ON pin.
•Brownout reset (BOR)
The BOR supervisor monitors VDD power supply. Three BOR thresholds (from 2.1 to 2.7 V) can be configured through option bytes. A reset is generated when VDD drops below this threshold.
DS13311 Rev 2 |
29/276 |
Functional overview |
STM32H725xE/G |
|
|
The same voltage regulator supplies the 3 power domains (D1, D2 and D3). D1 and D2 can be independently switched off.
Voltage regulator output can be adjusted according to application needs through 6 power supply levels:
•Run mode (VOS0 to VOS3)
–Scale 0: boosted performance
–Scale 1: high performance
–Scale 2: medium performance and consumption
–Scale 3: optimized performance and low-power consumption
•Stop mode (SVOS3 to SVOS5)
–Scale 3: peripheral with wakeup from Stop mode capabilities (UART, SPI, I2C, LPTIM) are operational
–Scale 4 and 5 where the peripheral with wakeup from Stop mode is disabled. The peripheral functionality is disabled but wakeup from Stop mode is possible through GPIO or asynchronous interrupt.
3.8Low-power strategy
There are several ways to reduce power consumption on STM32H725xE/G:
•Decrease the dynamic power consumption by slowing down the system clocks even in Run mode and by individually clock gating the peripherals that are not used.
•Save power when the CPU is idle, by selecting among the available low-power modes according to the user application needs. This allows the best compromise between short startup time and low power consumption to be achieved, according to the available wakeup sources.
The devices feature several low-power modes:
•CSleep (CPU clock stopped)
•CStop (CPU sub-system clock stopped)
•DStop (Domain bus matrix clock stopped)
•Stop (System clock stopped)
•DStandby (Domain powered down)
•Standby (System powered down)
CSleep and CStop low-power modes are entered by the MCU when executing the WFI (Wait for Interrupt) or WFE (Wait for Event) instructions, or when the SLEEPONEXIT bit of the Cortex®-Mx core is set after returning from an interrupt service routine.
A domain can enter low-power mode (DStop or DStandby) when the processor, its subsystem and the peripherals allocated in the domain enter low-power mode.
If part of the domain is not in low-power mode, the domain remains in the current mode.
Finally the system can enter Stop or Standby when all EXTI wakeup sources are cleared and the power domains are in DStop or DStandby mode.
30/276 |
DS13311 Rev 2 |