Atmel SAM V71 Xplained Ultra User Manual
SMART ARM-based Microcontrollers
SAM V71 Xplained Ultra
USER GUIDE
Preface
The Atmel® | SMART SAM V71 Xplained Ultra evaluation kit is a hardware
platform to evaluate the ATSAMV71Q21, and other Atmel ARM® Cortex®M7-based microcontrollers in the SAM V70, SAM S70, and SAM E70 series.
Supported by the Atmel Studio integrated development platform, the kit
provides easy access to the features of the Atmel ATSAMV71Q21 and
explains how to integrate the device in a custom design.
The Xplained Ultra series evaluation kits include an on-board Embedded
Debugger, and no external tools are necessary to program or debug the
ATSAMV71Q21.
The Xplained Pro extension kits offers additional peripherals to extend the
features of the board and ease the development of custom designs.
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Table of Contents
Preface............................................................................................................................ 1
1. Introduction................................................................................................................4
1.1. Features....................................................................................................................................... 4
1.2. Kit Overview................................................................................................................................. 5
2. Getting Started...........................................................................................................6
2.1. SAM V71 Xplained Ultra Quick Start............................................................................................6
2.2. Design Documentation and Relevant Links................................................................................. 6
3. Xplained Pro.............................................................................................................. 7
3.1. Embedded Debugger................................................................................................................... 7
3.2. Hardware Identification System....................................................................................................8
3.3. Power Sources............................................................................................................................. 8
3.4. Xplained Pro Headers and Connectors........................................................................................9
3.4.1. Xplained Pro Standard Extension Header..................................................................... 9
3.4.2. Xplained Pro LCD Extension Connector......................................................................10
3.4.3. Xplained Pro Power Header........................................................................................ 12
4. Hardware Users Guide............................................................................................ 13
4.1. Power Distribution...................................................................................................................... 13
4.2. Connectors................................................................................................................................. 14
4.2.1. Extension Headers...................................................................................................... 16
4.2.2. LCD Extension Connector........................................................................................... 17
4.2.3. Arduino Connectors..................................................................................................... 18
4.2.4. MediaLB Connector..................................................................................................... 22
4.2.5. Camera Connector...................................................................................................... 24
4.2.6. USB............................................................................................................................. 25
4.2.7. Super Capacitor...........................................................................................................26
4.2.8. Current Measurement Header..................................................................................... 26
4.2.9. VDDCORE Current Measurement...............................................................................26
4.2.10. Chip Erase Header...................................................................................................... 27
4.2.11. Trace Connector.......................................................................................................... 27
4.3. Peripherals................................................................................................................................. 28
4.3.1. Crystals........................................................................................................................28
4.3.2. Mechanical Buttons..................................................................................................... 28
4.3.3. LEDs............................................................................................................................ 29
4.3.4. SDRAM........................................................................................................................29
4.3.5. QSPI Flash.................................................................................................................. 30
4.3.6. SD Card....................................................................................................................... 31
4.3.7. Ethernet....................................................................................................................... 31
4.3.8. AT24MAC402...............................................................................................................32
4.3.9. CAN............................................................................................................................. 33
4.3.10. Audio and External PLL............................................................................................... 33
4.3.11. Crypto Footprint........................................................................................................... 34
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4.4. Zero Ohm Resistors................................................................................................................... 35
4.5. Embedded Debugger Implementation........................................................................................40
4.5.1. Serial Wire Debug........................................................................................................40
4.5.2. Virtual COM Port..........................................................................................................40
4.5.3. Atmel Data Gateway Interface.....................................................................................40
5. Kit Specific Data...................................................................................................... 42
6. Hardware Revision History and Known Issues........................................................43
6.1. Identifying Product ID and Revision........................................................................................... 43
6.2. EBI Signal Integrity.....................................................................................................................43
6.3. 12MHz Crystal Selection............................................................................................................ 44
6.4. Revision 9...................................................................................................................................44
6.5. Revision 8...................................................................................................................................44
6.5.1. PCB Revision Marking.................................................................................................44
6.6. Revision 6...................................................................................................................................45
6.6.1. Device Marking............................................................................................................ 45
6.6.2. Camera Connector and Audio..................................................................................... 45
6.6.3. Super Capacitor...........................................................................................................45
6.6.4. Connectors.................................................................................................................. 45
6.6.5. Target USB.................................................................................................................. 47
6.6.6. Ethernet RJ-45 Connector........................................................................................... 47
6.6.7. Zero Ohm Resistors.....................................................................................................47
7. Appendix..................................................................................................................50
7.1. Getting Started with IAR.............................................................................................................50
8. Document Revision History..................................................................................... 53
9. Evaluation Board/kit Important Notice..................................................................... 54
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1. Introduction
1.1. Features
• ATSAMV71Q21 microcontroller
• One mechanical reset button
• One power switch button
• Two mechanical user pushbuttons
• Two yellow user LEDs
• Supercap backup
• 12.0MHz crystal
• 32.768kHz crystal
• 2MB SDRAM
• 2MB QSPI Flash
• Built in Ethernet MAC with external IEEE 802.3az 10Base-T/100Base-TX Ethernet RMII PHY
• AT24MAC402 256KB EEPROM with EUI-48 address
• WM8904 low power stereo audio codec
– External PLL for precise clock generation
– Microphone jack
– Headphone jack
• ATA6561 CAN Transceiver
• SD Card connector with SDIO support
• Camera interface connector
• MediaLB connector
• Two Xplained Pro extension headers
• One Xplained Pro LCD header
• CoreSight 20 connector for 4-bit ETM
• Arduino Due based shield connectors
• External debugger connector
• USB interface, device and host mode
• Embedded Debugger
– Auto-ID for board identification in Atmel Studio
– One yellow status LED
– One green board power LED
– Symbolic debug of complex data types including scope information
– Programming and debugging
– Data Gateway Interface: SPI, I2C, four GPIOs
– Virtual COM port (CDC)
• External power input (5-14V)
• USB powered
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1.2. Kit Overview
The Atmel SAM V71 Xplained Ultra evaluation kit is a hardware platform to evaluate the Atmel
ATSAMV71Q21.
The kit offers a set of features that enables the ATSAMV71Q21 user to get started with the SAM V70 and
SAM V71 peripherals right away and to get an understanding of how to integrate the device in their own
design.
Figure 1-1 SAM V71 Xplained Ultra Evaluation Kit Overview
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2. Getting Started
2.1. SAM V71 Xplained Ultra Quick Start
Three steps to start exploring the Atmel SAM V71 Xplained Ultra:
1. Download Atmel Studio.
2. Launch Atmel Studio.
3. Connect a USB cable (Standard-A to Micro-B or Micro-AB) between the PC and the DEBUG USB
port on the kit.
When the Atmel SAM V71 Xplained Ultra is connected to your computer for the first time, the operating
system will do a driver software installation. The driver file supports both 32-bit and 64-bit versions of
Microsoft® Windows® XP, Windows Vista®, Windows 7, and Windows 8.
Once the kit is powered the green power LED will be lit and Atmel Studio will auto detect the kit and which
Xplained Pro extension board(s) are connected. Atmel Studio will present relevant information like
datasheets and kit documentation. The SAM V71 device is programmed and debugged by the on-board
Embedded Debugger and therefore no external programmer or debugger tool is needed.
2.2. Design Documentation and Relevant Links
The following list contains links to the most relevant documents and software for the SAM V71 Xplained
Ultra.
• Xplained Pro products - Atmel Xplained Pro is a series of small-sized and easy-to-use evaluation
kits for Atmel microcontrollers and other Atmel products. It consists of a series of low cost MCU
boards for evaluation and demonstration of features and capabilities of different MCU families.
• Atmel Studio - Free Atmel IDE for development of C/C++ and assembler code for Atmel
microcontrollers.
• Atmel sample store - Atmel sample store where you can order samples of devices.
• EDBG User Guide - User guide containing more information about the on-board Embedded
Debugger.
• Atmel Data Visualizer - Atmel Data Visualizer is a program used for processing and visualizing
data. Data Visualizer can receive data from various sources such as the Embedded Debugger Data
Gateway Interface found on Xplained Pro boards, and COM ports.
• IAR Embedded Workbench® for ARM - This is a commercial C/C++ compiler that is available for
ARM. There is a 30 day evaluation version as well as a code size limited kick-start version available
from their website. The code size limit is 16KB for devices with M0, M0+, and M1 cores and 32KB
for devices with other cores.
• Keil MDK-ARM Microcontroller Development Kit - The MDK-ARM is a complete software
development environment for Cortex-M, Cortex-R4, ARM7™, and ARM9™ processor-based devices.
MDK-ARM is specifically designed for microcontroller applications, it is easy to learn and use, yet
powerful enough for the most demanding embedded applications.
• Design Documentation - Package containing schematics, BOM, assembly drawings, 3D plots,
layer plots etc.
• Hardware Users Guide in PDF format - PDF version of this User Guide.
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3. Xplained Pro
SAM V71 Xplained Ultra implements several Xplained Pro standards like extension headers and
connectors, this chapter documents these standards.
Xplained Pro is an evaluation platform that provides the full Atmel microcontroller experience. The
platform consists of a series of Microcontroller (MCU) boards and extension boards that are integrated
with Atmel Studio, support data streaming and more. Xplained Pro MCU boards support a wide range of
Xplained Pro extension boards that are connected through a set of standardized headers and connectors.
Each extension board has an identification (ID) chip to uniquely identify which boards are connected to a
Xplained Pro MCU board. This information is used to present relevant user guides, application notes,
datasheets, and example code through Atmel Studio.
3.1. Embedded Debugger
The SAM V71 Xplained Ultra contains the Atmel Embedded Debugger (EDBG) for on-board debugging.
The EDBG is a composite USB device of three interfaces; a debugger, Virtual COM Port, and a Data
Gateway Interface (DGI).
Together with Atmel Studio, the EDBG debugger interface can program and debug the ATSAMV71Q21.
On SAM V71 Xplained Ultra, the SWD interface is connected between the EDBG and the
ATSAMV71Q21.
The Virtual COM Port is connected to a UART on the ATSAMV71Q21 and provides an easy way to
communicate with the target application through terminal software. It offers variable baud rate, parity, and
stop bit settings. Note that the settings on the ATSAMV71Q21 must match the settings given in the
terminal software.
Note: If not set automatically, data terminal ready (DTR) must be set in the terminal software.
The DGI consists of several physical interfaces for communication with the host computer.
Communication over the interfaces is bidirectional. It can be used to send events and values from the
ATSAMV71Q21 or as a generic printf-style data channel. Traffic over the interfaces can be timestamped
on the EDBG for more accurate tracing of events. Note that timestamping imposes an overhead that
reduces maximal throughput. Atmel Data Visualizer is used to send and receive data through DGI.
The EDBG controls two LEDs on SAM V71 Xplained Ultra; a power LED and a status LED. Table 3-1
EDBG LED Control on page 7 shows how the LEDs are controlled in different operation modes.
Table 3-1 EDBG LED Control
Operation Mode Power LED Status LED
Normal operation Power LED is lit when power is
applied to the board.
Bootloader mode (idle) The power LED and the status LED blinks simultaneously.
Bootloader mode (firmware
upgrade)
For further documentation on the EDBG, see the EDBG User Guide.
The power LED and the status LED blinks in an alternating pattern.
Activity indicator, LED flashes
when any communication
happens to the EDBG.
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3.2. Hardware Identification System
All Xplained Pro compatible extension boards have an Atmel ATSHA204 CryptoAuthentication™ chip
mounted. This chip contains information that identifies the extension with its name and some extra data.
When an Xplained Pro extension is connected to an Xplained Pro MCU board the information is read and
sent to Atmel Studio. The Atmel Kits extension, installed with Atmel Studio, will give relevant information,
code examples, and links to relevant documents. Table 3-2 Xplained Pro ID Chip Content on page 8
shows the data fields stored in the ID chip with example content.
Table 3-2 Xplained Pro ID Chip Content
Data field Data type Example content
Manufacturer ASCII string Atmel'\0'
Product Name ASCII string Segment LCD1 Xplained Pro'\0'
Product Revision ASCII string 02'\0'
Product Serial Number ASCII string 1774020200000010’\0’
Minimum Voltage [mV] uint16_t 3000
Maximum Voltage [mV] uint16_t 3600
Maximum Current [mA] uint16_t 30
3.3. Power Sources
The SAM V71 Xplained Ultra kit can be powered by several power sources listed in Table 3-3 Power
Sources for SAM V71 Xplained Ultra on page 8.
Table 3-3 Power Sources for SAM V71 Xplained Ultra
Power input Voltage requirements Current requirements Connector marking
External power 5V ±2% (±100mV) for
Embedded debugger
USB
Target USB 4.4V to 5.25V (according
USB host operation.
4.3V to 5.5V if USB host
operation is not
required.
4.4V to 5.25V (according
to USB spec.)
to USB spec.)
Recommended
minimum is 1A to be
able to provide enough
current for connected
USB devices and the
board itself.
Recommended
maximum is 2A due to
the input protection
maximum current
specification.
500mA (according to
USB spec.)
500mA (according to
USB spec.)
PWR
DEBUG USB
TARGET USB
External jack input Kit specific Kit specific VIN
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The kit will automatically detect which power sources are available and choose which one to use
according to the following priority:
1. External jack input.
2. External power.
3. Embedded Debugger USB.
4. Target USB.
Info: External power is required when 500mA from a USB connector is not enough to power
the board with possible extension boards. A connected USB device in a USB host application
might easily exceed this limit.
3.4. Xplained Pro Headers and Connectors
3.4.1. Xplained Pro Standard Extension Header
All Xplained Pro kits have one or more dual row, 20-pin, 100mil extension header. Xplained Pro MCU
boards have male headers, while Xplained Pro extensions have their female counterparts. Note that all
pins are not always connected. All connected pins follow the defined pin-out description in Table 3-4
Xplained Pro Standard Extension Header on page 9.
The extension headers can be used to connect a variety of Xplained Pro extensions to Xplained Pro MCU
boards or to access the pins of the target MCU on Xplained Pro MCU boards directly.
Table 3-4 Xplained Pro Standard Extension Header
Pin number Name Description
1 ID Communication line to the ID chip on an extension board
2 GND Ground
3 ADC(+) Analog to digital converter, alternatively positive part of differential
ADC
4 ADC(-) Analog to digital converter, alternatively negative part of differential
ADC
5 GPIO1 General purpose I/O
6 GPIO2 General purpose I/O
7 PWM(+) Pulse width modulation, alternatively positive part of differential
PWM
8 PWM(-) Pulse width modulation, alternatively negative part of differential
PWM
9 IRQ/GPIO Interrupt request line and/or general purpose I/O
10 SPI_SS_B/
Slave select for SPI and/or general purpose I/O
GPIO
11 I2C_SDA Data line for I2C interface. Always implemented, bus type.
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Pin number Name Description
12 I2C_SCL Clock line for I2C interface. Always implemented, bus type.
13 UART_RX Receiver line of target device UART
14 UART_TX Transmitter line of target device UART
15 SPI_SS_A Slave select for SPI. Should preferably be unique.
16 SPI_MOSI Master out slave in line of serial peripheral interface. Always
implemented, bus type.
17 SPI_MISO Master in slave out line of serial peripheral interface. Always
implemented, bus type.
18 SPI_SCK Clock for serial peripheral interface. Always implemented, bus type.
19 GND Ground
20 VCC Power for extension board
3.4.2. Xplained Pro LCD Extension Connector
The LCD connector provides the ability to connect to display extensions that have a parallel interface.
The connector implements signals for a MCU parallel bus interface and a LCD controller interface as well
as signals for a touch controller. The connector pin-out definition is shown in Table 3-5 Xplained Pro LCD
Connector on page 10. Note that usually only one display interface is implemented, either the LCD
controller or the MCU bus interface.
A FPC/FFC connector with 50 pins and 0.5mm pitch is used for the LCD connector. The connector
XF2M-5015-1A from Omron is used on several Xplained Pro designs and can be used as a reference.
Table 3-5 Xplained Pro LCD Connector
Pin number Name RGB interface description MCU interface description
1 ID Communication line to the ID chip on an extension board
2 GND Ground
3 D0 Data line
4 D1 Data line
5 D2 Data line
6 D3 Data line
7 GND Ground
8 D4 Data line
9 D5 Data line
10 D6 Data line
11 D7 Data line
12 GND Ground
13 D8 Data line
14 D9 Data line
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Pin number Name RGB interface description MCU interface description
15 D10 Data line
16 D11 Data line
17 GND Ground
18 D12 Data line
19 D13 Data line
20 D14 Data line
21 D15 Data line
22 GND Ground
23 D16 Data line
24 D17 Data line
25 D18 Data line
26 D19 Data line
27 GND Ground
28 D20 Data line
29 D21 Data line
30 D22 Data line
31 D23 Data line
32 GND Ground
33 PCLK / CMD DATA
SEL
Pixel clock Display RAM select. One
address line of the MCU for
displays where it is possible to
select either register or data
interface.
34 VSYNC / CS Vertical Synchronization Chip select
35 HSYNC / WE Horizontal Synchronization Write enable signal
36 DATA ENABLE /
Data enable signal Read enable signal
RE
37 SPI SCK Clock for serial peripheral interface
38 SPI MOSI Master out slave in of serial peripheral interface
39 SPI MISO Master in slave out of serial peripheral interface
40 SPI SS Slave select for serial peripheral interface. Preferably a dedicated
pin.
41 ENABLE Display enable
42 I2C SDA I2C data
43 I2C SCL I2C clock
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Pin number Name RGB interface description MCU interface description
44 IRQ1 Interrupt 1
45 IRQ2 Interrupt 2
46 PWM Backlight control
47 RESET Extension reset
48 VCC 3.3V power supply for extension board
49 VCC 3.3V power supply for extension board
50 GND Ground
3.4.3. Xplained Pro Power Header
The power header can be used to connect external power to the SAM V71 Xplained Ultra kit. The kit will
automatically detect and switch to any external power if supplied. The power header can also be used as
supply for external peripherals or extension boards. Care must be taken not to exceed the total current
limitation of the on-board regulator when using the 3.3V pin.
Table 3-6 Xplained Pro Power Header
Pin number Pin name Description
1 VEXT_P5V0 External 5V input
2 GND Ground
3 VCC_P5V0 Unregulated 5V (output, derived from one of the input sources)
4 VCC_P3V3 Regulated 3.3V (output, used as main power supply for the kit)
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4. Hardware Users Guide
4.1. Power Distribution
SAM V71 Xplained Ultra has four power sources as described in Power Sources on page 8. Figure 4-1
Power Supply Block Diagram on page 13 shows a block diagram of the power supply circuitry, the
related I/O pins are described in Table 4-1 Power Distribution Signals on page 14.
The kit can be powered from the EDBG USB, Target USB, external 5.0V, and/or a 5-14V DC jack input.
The kit will automatically select a source to draw power from.
An on board supercap (100mF) is charged to 3.6V from the kits 5V net. When all external power is
removed from the board or the 3.3V regulator is disabled by the application running on the
ATSAMV71Q21 the power switch will supply the ATSAMV71Q21 from the supercap. It is intended that the
supercap can supply the ATSAMV71Q21 in its low power backup mode.
Info: When the on-board regulator is turned off by the target application in the ATSAMV71Q21,
all ICs on the kit are unpowered except the ATSAMV71Q21. Care must be taken to not supply
and stray power these ICs through the ATSAMV71Q21s I/O pins.
Figure 4-1 Power Supply Block Diagram
Supercap
Power switch
SAMV71Q21
Charge to 3.6V
T
a
r
g
e
t
V
C
C
Target
peripherals
Power detect
Regulators on / off
Supply target USB on / off
Regulator 3.3V
Regulator 1.8V
Regulator 1.2V
Power source
Power switch
Power converter
Power consumer
Regulator 5.0V
Target board 5V
Auto mux disable
Auto mux with current
limit
5-14V 2.1mm DC
jack inputEDBG
External 5V input
EDBG USB
Target USB
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Table 4-1 Power Distribution Signals
SAM V71 pin Function Description
PC17 GPIO Power Enable, drive low to
PA01 WKUP1 Regulator Power Detect, pulled
PC16 GPIO Drive low to enable the kit to
4.2. Connectors
These sections describes the implementation of the relevant connectors and headers on SAM V71
Xplained Ultra and their connection to the ATSAMV71Q21. The tables of connections in these sections
also describes which signals are shared between the headers and on-board functionality. Figure 4-2
SAM V71 Xplained Ultra Connector Overview on page 15 shows all available connectors and jumpers
on SAM V71 Xplained Ultra.
disable the on-board voltage
regulator
high when the regulator output is
good
supply the target USB
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Figure 4-2 SAM V71 Xplained Ultra Connector Overview
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4.2.1. Extension Headers
The Xplained Pro headers EXT1 and EXT2 on SAM V71 Xplained Ultra offers access to the I/O of the
microcontroller in order to expand the board e.g. by connecting extensions to the board. The headers
have a pitch of 2.54mm.
Table 4-2 Extension Header EXT1
EXT1 pin SAM V71 pin Function Shared functionality
1 [ID] - - Communication line to the ID chip on an extension board
2 [GND] - - Ground
3 [ADC(+)] PC31 AFE1_AD6 Shield
4 [ADC(-)] PA19 AFE0_AD8 Ethernet and Shield
5 [GPIO1] PB03 GPIO/RTS0 Camera, MediaLB, and Shield(2)
6 [GPIO2] PB02 GPIO/CTS0 MediaLB and Shield(2)
7 [PWM(+)] PA00 PWMH0 Shield
8 [PWM(-)] PC30 TIOB5 LCD
9 [IRQ/GPIO] PD28 WKUP5 EDBG GPIO, Camera, LCD, and Shield(2)
10 [SPI_SS_B/GPIO] PA05 GPIO Camera and Shield
11 [TWI_SDA] PA03 TWID0 EXT2, EDBG I2C, LCD, Camera, Audio, PLL, MediaLB, EEPROM, Crypto, and
12 [TWI_SCL] PA04 TWICK0 EXT2, EDBG I2C, LCD, Camera, Audio, PLL, MediaLB, EEPROM, Crypto, and
13 [USART_RX] PB00 RXD0 Audio and Shield(2)
14 [USART_TX] PB01 TXD0 Audio and Shield(2)
15 [SPI_SS_A] PD25 SPI0_NPCS1 Camera and Shield
16 [SPI_MOSI] PD21 SPI0_MOSI EXT2, EDBG SPI, Audio, Camera, and Shield(2)
17 [SPI_MISO] PD20 SPI0_MISO EXT2, EDBG SPI, and Shield(2)
18 [SPI_SCK] PD22 SPI0_SPCK EXT2, EDBG SPI, Camera, and Shield(2)
19 [GND] - - Ground
20 [VCC] - - Power for extension board
Shield
Shield
Table 4-3 Extension Header EXT2
EXT2 pin
1 [ID] - - Communication line to the ID chip on an extension board
2 [GND] - - Ground
3 [ADC(+)] PD30 AFE0_AD0 Camera and Shield(2)
4 [ADC(-)] PC13 AFE1_AD1 LCD and Shield
5 [GPIO1] PA06 GPIO Camera, MediaLB, and Shield
6 [GPIO2] PD11 GPIO Camera, Audio, and Shield
7 [PWM(+)] PC19 PWMC0_PWMH2 Camera and Shield
8 [PWM(-)] PD26 PWMC0_PWML2 Audio and Shield
9 [IRQ/GPIO] PA02 WKUP2/GPIO EDBG GPIO, LCD and Shield
10 [SPI_SS_B/GPIO] PA24 GPIO Camera and Shield
11 [TWI_SDA] PA03 TWCK1 EXT1, EDBG I2C, LCD, Camera, Audio, PLL, MediaLB, EEPROM, Crypto,
12 [TWI_SCL] PA04 TWCK0 EXT1, EDBG I2C, LCD, Camera, Audio, PLL, MediaLB, EEPROM, Crypto,
13 [USART_RX] PA21 RXD1 EDBG CDC and Shield
14 [USART_TX] PB04 TXD1 EDBG CDC, MediaLB and Shield
15 [SPI_SS_A] PD27 SPI0_NPCS3 Camera and Shield(2)
16 [SPI_MOSI] PD21 SPI0_MOSI EXT1, EDBG SPI, Audio, Camera, and Shield(2)
17 [SPI_MISO] PD20 SPI0_MISO EXT1, EDBG SPI, and Shield(2)
18 [SPI_SCK] PD22 SPI0_SPCK EXT1, EDBG SPI, Camera, and Shield(2)
SAM V71 pin Function Shared functionality
and Shield
and Shield
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EXT2 pin SAM V71 pin Function Shared functionality
19 [GND] - - Ground
20 [VCC] - - Power for extension board
4.2.2. LCD Extension Connector
Extension connector EXT4 is a special connector for LCD displays. The physical connector is a TE
Connectivity 5-1734839-0 FPC connector.
Info:
Plugging a cable into the LCD connector creates routing stubs for the on-board SDRAM which
creates ringing. The ringing will reduce the maximum SDRAM communication frequency. See
EBI Signal Integrity on page 43 for more information.
Table 4-4 Xplained Pro LCD Connector EXT4
Pin on EXT4
1 [ID] - Communication line to ID chip on extension
2 [GND] - GND
3 [D0] PC00 D0 SDRAM
4 [D1] PC01 D1 SDRAM
5 [D2] PC02 D2 SDRAM
6 [D3] PC03 D3 SDRAM
7 [GND] - GND
8 [D4] PC04 D4 SDRAM
9 [D5] PC05 D5 SDRAM
10 [D6] PC06 D6 SDRAM
11 [D7] PC07 D7 SDRAM
12 [GND] - GND
13 [D8] PE00 D8 SDRAM and Shield
14 [D9] PE01 D9 SDRAM
15 [D10] PE02 D10 SDRAM
16 [D11] PE03 D11 SDRAM and Shield
17 [GND] - GND
18 [D12] PE04 D12 SDRAM and Shield
19 [D13] PE05 D13 SDRAM and Shield
20 [D14] PA15 D14 SDRAM
21 [D15] PA16 D15 SDRAM
22 [GND] - GND
23 [D16] - -
24 [D17] - -
25 [D18] - -
26 [D19] - -
27 [GND] - GND
28 [D20] - -
29 [D21] - -
30 [D22] - -
31 [D23] - -
32 [GND] - GND
33 [PCLK / CMD_DAT A_SEL] PC30 GPIO EXT1
34 [VSYNC / CS] PD19 NCS3 Shield
SAM V71 pin Function Shared Functionality
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board
Atmel SAM V71 Xplained Ultra [USER GUIDE]
Atmel-42408C-SAM-V71-Xplained-Ultra_User Guide-09/2015
17
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