Texas Instruments TMS320C6454 User Manual

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1 TMS320C6454 Fixed-Point Digital Signal Processor

1.1 Features

High-Performance Fixed-Point DSP (C6454)
1.39-, 1.17-, and 1-ns Instruction Cycle Time – 720-MHz, 850-MHz, and 1-GHz Clock Rate – Eight 32-Bit Instructions/Cycle – 8000 MIPS/MMACS (16-Bits) – Commercial Temperature [0°C to 90°C]
TMS320C64x+™ DSP Core
Dedicated SPLOOP Instruction – Compact Instructions (16-Bit) – Instruction Set Enhancements – Exception Handling
TMS320C64x+ Megamodule L1/L2 Memory
Architecture: – 256K-Bit (32K-Byte) L1P Program Cache
[Direct Mapped]
256K-Bit (32K-Byte) L1D Data Cache
[2-Way Set-Associative]
8M-Bit (1048K-Byte) L2 Unified Mapped
RAM/Cache [Flexible Allocation] – 256K-Bit (32K-Byte) L2 ROM – Time Stamp Counter
Endianess: Little Endian, Big Endian
64-Bit External Memory Interface (EMIFA)
Glueless Interface to Asynchronous
Memories (SRAM, Flash, and EEPROM) and
Synchronous Memories (SBSRAM and ZBT
SRAM) – Supports Interface to Standard Sync
Devices and Custom Logic (FPGA, CPLD,
ASICs, etc.) – 32M-Byte Total Addressable External
Memory Space
TMS320C6454
Fixed-Point Digital Signal Processor
32-Bit DDR2 Memory Controller (DDR2-533
SDRAM)
EDMA3 Controller (64 Independent Channels)
32-/16-Bit Host-Port Interface (HPI)
32-Bit 33-/66-MHz, 3.3-V Peripheral Component
Interconnect (PCI) Master/Slave Interface Conforms to PCI Specification 2.3
One Inter-Integrated Circuit (I2C) Bus
Two McBSPs
10/100/1000 Mb/s Ethernet MAC (EMAC)
IEEE 802.3 Compliant – Supports Multiple Media Independent
Interfaces (MII, GMII, RMII, and RGMII)
8 Independent Transmit (TX) and
8 Independent Receive (RX) Channels
Two 64-Bit General-Purpose Timers,
Configurable as Four 32-Bit Timers
16 General-Purpose I/O (GPIO) Pins
System PLL and PLL Controller
Secondary PLL and PLL Controller, Dedicated
to EMAC and DDR2 Memory Controller
IEEE-1149.1 (JTAG™)
Boundary-Scan-Compatible
697-Pin Ball Grid Array (BGA) Package
(ZTZ or GTZ Suffix), 0.8-mm Ball Pitch
0.09- µ m/7-Level Cu Metal Process (CMOS)
3.3-/1.8-/1.5-V I/Os, 1.25-/1.2-V Internal
Pin-Compatible with the TMS320C6455
Fixed-Point Digital Signal Processor
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PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice.
Copyright © 2006–2006, Texas Instruments Incorporated
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PRODUCT PREVIEW
ZTZ/GTZ 697-PIN BALL GRID ARRAY (BGA) PACKAGE
(BOTTOM VIEW)
A
2
B
1 345678910111213141516171819202122232425
26
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
AD
AE
AF
272829
AG
AH
AJ
NOTE: The ZTZ mechanical package designator represents the version of the GTZ package with lead-free balls. For more detailed information,
see the Mechanical Data section of this document.
TMS320C6454 Fixed-Point Digital Signal Processor

1.1.1 ZTZ/GTZ BGA Package (Bottom View)

The TMS320C6454 devices are designed for a package temperature range of 0°C to +90°C (commercial
temperature range).
Figure 1-1. ZTZ/GTZ BGA Package (Bottom View)

1.2 Description

The TMS320C64x+™ DSPs (including the TMS320C6454 device) are the highest-performance fixed-point
DSP generation in the TMS320C6000™ DSP platform. The C6454 device is based on the third-generation
high-performance, advanced VelociTI™ very-long-instruction-word (VLIW) architecture developed by
Texas Instruments (TI), making these DSPs an excellent choice for applications including video and
telecom infrastructure, imaging/medical, and wireless infrastructure (WI). The C64x+™ devices are
upward code-compatible from previous devices that are part of the C6000™ DSP platform.
The C6454 offers a lower cost pin-compatible migration path for C6455 customers who don't need the
2MB of the C6455 or the high-speed interconnect provided by Serial RapidIO. The C6454 also provides
an excellent migration path for existing C6414/6415/6416 customers who require C6454 advanced
peripherals; DDR2 at 533 MHz provides 2x performance boost over older SDRAM interface, gigabit
Ethernet provides low-cost high-performance ubiquitous packet interface, and 66-MHz PCI (revision 2.3
complaint) provides legacy high-bandwidth interconnect.
Based on 90-nm process technology and with performance of up to 8000 million instructions per second
(MIPS) [or 8000 16-bit MMACs per cycle] at a clock rate of 1 GHz, the C6454 device offers cost-effective
solutions to high-performance DSP programming challenges. The C6454 DSP possesses the operational
flexibility of high-speed controllers and the numerical capability of array processors.
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The C64x+ DSP core employs eight functional units, two register files, and two data paths. Like the earlier
C6000 devices, two of these eight functional units are multipliers or .M units. Each C64x+ .M unit doubles
the multiply throughput versus the C64x core by performing four 16-bit x 16-bit multiply-accumulates
(MACs) every clock cycle. Thus, eight 16-bit x 16-bit MACs can be executed every cycle on the C64x+
core. At a 1-GHz clock rate, this means 8000 16-bit MMACs can occur every second. Moreover, each
multiplier on the C64x+ core can compute one 32-bit x 32-bit MAC or four 8-bit x 8-bit MACs every clock
cycle.
The C6454 DSP integrates a large amount of on-chip memory organized as a two-level memory system.
The level-1 (L1) program and data memories on the C6454 device are 32KB each. This memory can be
configured as mapped RAM, cache, or some combination of the two. When configured as cache, L1
program (L1P) is a direct mapped cache where as L1 data (L1D) is a two-way set associative cache. The
level 2 (L2) memory is shared between program and data space and is 1048KB in size. L2 memory can
also be configured as mapped RAM, cache, or some combination of the two. The C64x+ Megamodule
also has a 32-bit peripheral configuration (CFG) port, an internal DMA (IDMA) controller, a system
component with reset/boot control, interrupt/exception control, a power-down control, and a free-running
32-bit timer for time stamp.
The peripheral set includes: an inter-integrated circuit bus module (I2C); two multichannel buffered serial
ports (McBSPs); a user-configurable 16-bit or 32-bit host-port interface (HPI16/HPI32); a peripheral
component interconnect (PCI); a 16-pin general-purpose input/output port (GPIO) with programmable
interrupt/event generation modes; an 10/100/1000 Ethernet media access controller (EMAC), which
provides an efficient interface between the C6454 DSP core processor and the network; a management
data input/output (MDIO) module (also part of the EMAC) that continuously polls all 32 MDIO addresses in
order to enumerate all PHY devices in the system; a glueless external memory interface (64-bit EMIFA),
which is capable of interfacing to synchronous and asynchronous peripherals; and a 32-bit DDR2 SDRAM
interface.
The I2C ports on the C6454 allows the DSP to easily control peripheral devices and communicate with a
host processor. In addition, the standard multichannel buffered serial port (McBSP) may be used to
communicate with serial peripheral interface (SPI) mode peripheral devices.
The C6454 has a complete set of development tools which includes: a new C compiler, an assembly
optimizer to simplify programming and scheduling, and a Windows® debugger interface for visibility into
source code execution.
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L2 Memory Controller
(Memory Protect/
Bandwidth Mgmt)
DDR2
Mem Ctlr
System
(B)
C64x+ DSP Core
Data Path B
B Register File
B31−B16
B15−B0
Instruction Fetch
Data Path A
A Register File
A31−A16
A15−A0
Device
Configuration
Logic
.L1 .S1
.M1
xx xx
.D1 .D2
.M2
xx xx
.S2 .L2
64
SBSRAM
SRAM
L1P Cache Direct-Mapped
32K Bytes
L1D Cache
2-Way Set-Associative 32K Bytes Total
C6454
Primary Switched Central Resource
PLL1 and
PLL1
Controller
EMIFA
ZBT SRAM
HI
Boot Configuration
ROM/FLASH
I/O Devices
I2C
GPIO16
(B)
16
McBSP0
(A)
Internal DMA
(IDMA)
M e g a m o d u
l
e
L2
Cache
Memory
1048K
Bytes
L1P Memory Controller (Memory Protect/Bandwidth Mgmt)
McBSP1
(A)
HPI (32/16)
(B)
Instruction
Decode
16-/32-bit
Instruction Dispatch
Control Registers
In-Circuit Emulation
DDR2 SDRAM
32
LO
Timer1
(C)
HI
LO
Timer0
(C)
PLL2 and
PLL2
Controller
(D)
EMAC
10/100/1000
SPLOOP Buffer
Power Control
L1D Memory Controller (Memory Protect/Bandwidth Mgmt)
Interrupt and Exception Controller
EDMA 3.0
L2 ROM
32K
Bytes
(E)
Secondary
Switched Central
Resource
A. McBSPs: Framing Chips − H.100, MVIP, SCSA,T1, E1; AC97 Devices; SPI Devices; Codecs B. The PCI peripheral pins are muxed with some of the HPI peripheral pins. For more detailed information, see the Device Configuration section
of this document.
C. Each of the TIMER peripherals (TIMER1 and TIMER0) is configurable as either two 64-bit general-purpose timers or two 32-bit general-purpose
timers or a watchdog timer. D. The PLL2 controller also generates clocks for the EMAC. E. When accessing the internal ROM of the DSP, the CPU frequency must always be less than 750 MHz.
MDIO
RMGII
(D)
GMII
RMII
MII
PCI66
(B)
TMS320C6454 Fixed-Point Digital Signal Processor

1.3 Functional Block Diagram

Figure 1-2 shows the functional block diagram of the C6454 device.
Figure 1-2. Functional Block Diagram
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Fixed-Point Digital Signal Processor
Contents
1 TMS320C6454 Fixed-Point Digital Signal 5.5 Megamodule Resets ................................ 81
Processor .................................................. 1
1.1 Features .............................................. 1
1.1.1 ZTZ/GTZ BGA Package (Bottom View) .............. 2
1.2 Description ............................................ 2
1.3 Functional Block Diagram ............................ 4
2 Device Overview ......................................... 6
2.1 Device Characteristics ................................ 6
2.2 CPU (DSP Core) Description ......................... 7
2.3 Memory Map Summary ............................. 10
2.4 Boot Sequence ...................................... 12
2.5 Pin Assignments .................................... 14
2.6 Signal Groups Description .......................... 18
2.7 Terminal Functions .................................. 24
2.8 Development ........................................ 47
3 Device Configuration .................................. 50
3.1 Device Configuration at Device Reset .............. 50
3.2 Peripheral Configuration at Device Reset ........... 52
3.3 Peripheral Selection After Device Reset ............ 53
3.4 Device State Control Registers ..................... 55
3.5 Device Status Register Description ................. 65
3.6 JTAG ID (JTAGID) Register Description ............ 67
3.7 Pullup/Pulldown Resistors ........................... 67
3.8 Configuration Examples ............................. 69
4 System Interconnect ................................... 71
4.1 Internal Buses, Bridges, and Switch Fabrics ........ 71
4.2 Data Switch Fabric Connections .................... 72
4.3 Configuration Switch Fabric ......................... 74
4.4 Priority Allocation .................................... 76
5 C64x+ Megamodule .................................... 77
5.1 Memory Architecture ................................ 77
5.2 Memory Protection .................................. 80
5.3 Bandwidth Management ............................ 80
5.4 Power-Down Control ................................ 81
5.6 Megamodule Revision ............................... 82
5.7 C64x+ Megamodule Register Description(s) ........ 83
6 Device Operating Conditions ........................ 90
6.1 Absolute Maximum Ratings Over Operating Case
Temperature Range (Unless Otherwise Noted) ..... 90
6.2 Recommended Operating Conditions ............... 90
6.3 Electrical Characteristics Over Recommended Ranges of Supply Voltage and Operating Case
Temperature (Unless Otherwise Noted) ............ 92
7 C64x+ Peripheral Information and Electrical
Specifications ........................................... 94
7.1 Parameter Information .............................. 94
7.2 Recommended Clock and Control Signal Transition
Behavior ............................................. 96
7.3 Power Supplies ...................................... 96
7.4 Enhanced Direct Memory Access (EDMA3)
Controller ............................................ 98
7.5 Interrupts ........................................... 112
7.6 Reset Controller .................................... 116
7.7 PLL1 and PLL1 Controller ......................... 123
7.8 PLL2 and PLL2 Controller ......................... 138
7.9 DDR2 Memory Controller .......................... 147
7.10 External Memory Interface A (EMIFA) ............. 149
7.11 I2C Peripheral ...................................... 160
7.12 Host-Port Interface (HPI) Peripheral ............... 166
7.13 Multichannel Buffered Serial Port (McBSP) ........ 177
7.14 Ethernet MAC (EMAC) ............................. 187
7.15 Timers .............................................. 205
7.16 Peripheral Component Interconnect (PCI) ......... 207
7.17 General-Purpose Input/Output (GPIO) ............. 214
7.18 IEEE 1149.1 JTAG ................................. 216
8 Mechanical Data ....................................... 217
8.1 Thermal Data ...................................... 217
8.2 Packaging Information ............................. 217
Revision History ............................................ 218
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TMS320C6454 Fixed-Point Digital Signal Processor

2 Device Overview

2.1 Device Characteristics

Table 2-1 , provides an overview of the C6454 DSP. The tables show significant features of the C6454
device, including the capacity of on-chip RAM, the peripherals, the CPU frequency, and the package type with pin count.
HARDWARE FEATURES C6454
EMIFA (64-bit bus width) (clock source = AECLKIN or SYSCLK4)
DDR2 Memory Controller (32-bit bus width) [1.8 V I/O] (clock source = CLKIN2)
EDMA3 (64 independent channels) [CPU/3 clock rate] 1 Peripherals Not all peripherals pins
are available at the same time (For more detail, see the Device Configuration section).
On-Chip Memory
C64x+ Megamodule Megamodule Revision ID Register (address location: Revision ID 0181 2000h)
JTAG BSDL_ID JTAGID register (address location: 0x02A80008) Frequency MHz 720, 850, and 1000 (1 GHz) Cycle Time ns
Voltage
PLL1 and PLL1 Controller Options
PLL2 x20
BGA Package 24 x 24 mm Process Technology µm 0.09 µm Product Status
(1)
I2C 1
HPI (32- or 16-bit user selectable) 1 (HPI16 or HPI32)
PCI (32-bit), [66-MHz or 33-MHz] 1 (PCI66 or PCI33)
McBSPs (internal CPU/6 or external clock source up
to 100 Mbps)
10/100/1000 Ethernet MAC (EMAC) 1
Management Data Input/Output (MDIO) 1
64-Bit Timers (Configurable)
(internal clock source = CPU/6 clock frequency)
General-Purpose Input/Output Port (GPIO) 16
Size (Bytes) 1144K
Organization 32KB Data Memory Controller [SRAM/Cache]
Core (V)
I/O (V)
CLKIN1 frequency multiplier Bypass (x1), x15, x20, x25, x30, x32
CLKIN2 frequency multiplier
[DDR2 Memory Controller and EMAC support only]
Product Preview (PP), Advance Information (AI),
or Production Data (PD)
Table 2-1. Characteristics of the C6454 Processor
1
1
2
2 64-bit or 4 32-bit
32K-Byte (32KB) L1 Program Memory Controller
[SRAM/Cache]
1048KB L2 Unified Memory/Cache
32KB L2 ROM
See Section 5.6 , Megamodule Revision
See Section 3.6 , JTAG ID (JTAGID) Register
Description
1.39 ns (C6454-720), 1.17 ns (C6454-850), 1 ns (C6454-1000) [1 GHz CPU]
1.25 V (-1000)
1.2 V (-850/-720)
1.5/1.8 [EMAC RGMII], and
1.8 and 3.3 V [I/O Supply Voltage]
697-Pin Flip-Chip Plastic BGA (ZTZ)
697-Pin Plastic BGA (GTZ)
PP
(1) PRODUCT PREVIEW information concerns experimental products (designated as TMX) that are in the formative or design phase of
development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice.
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Table 2-1. Characteristics of the C6454 Processor (continued)
HARDWARE FEATURES C6454
Device Part Numbers TMX320C6454ZTZ8,
(For more details on the C64x+™ DSP part numbering, see Figure 2-12 )

2.2 CPU (DSP Core) Description

The C64x+ Central Processing Unit (CPU) consists of eight functional units, two register files, and two data paths as shown in Figure 2-1 . The two general-purpose register files (A and B) each contain 32 32-bit registers for a total of 64 registers. The general-purpose registers can be used for data or can be data address pointers. The data types supported include packed 8-bit data, packed 16-bit data, 32-bit data, 40-bit data, and 64-bit data. Values larger than 32 bits, such as 40-bit-long or 64-bit-long values are stored in register pairs, with the 32 LSBs of data placed in an even register and the remaining 8 or 32 MSBs in the next upper register (which is always an odd-numbered register).
The eight functional units (.M1, .L1, .D1, .S1, .M2, .L2, .D2, and .S2) are each capable of executing one instruction every clock cycle. The .M functional units perform all multiply operations. The .S and .L units perform a general set of arithmetic, logical, and branch functions. The .D units primarily load data from memory to the register file and store results from the register file into memory.
The C64x+ CPU extends the performance of the C64x core through enhancements and new features.
TMS320C6454
Fixed-Point Digital Signal Processor
TMX320C6454ZTZ7,
TMX320C6454ZTZ
Each C64x+ .M unit can perform one of the following each clock cycle: one 32 x 32 bit multiply, two 16 x 16 bit multiplies, two 16 x 32 bit multiplies, four 8 x 8 bit multiplies, four 8 x 8 bit multiplies with add operations, and four 16 x 16 multiplies with add/subtract capabilities (including a complex multiply). There is also support for Galois field multiplication for 8-bit and 32-bit data. Many communications algorithms such as FFTs and modems require complex multiplication. The complex multiply (CMPY) instruction takes for 16-bit inputs and produces a 32-bit real and a 32-bit imaginary output. There are also complex multiplies with rounding capability that produces one 32-bit packed output that contain 16-bit real and 16-bit imaginary values. The 32 x 32 bit multiply instructions provide the extended precision necessary for audio and other high-precision algorithms on a variety of signed and unsigned 32-bit data types.
The .L or (Arithmetic Logic Unit) now incorporates the ability to do parallel add/subtract operations on a pair of common inputs. Versions of this instruction exist to work on 32-bit data or on pairs of 16-bit data performing dual 16-bit add and subtracts in parallel. There are also saturated forms of these instructions.
The C64x+ core enhances the .S unit in several ways. In the C64x core, dual 16-bit MIN2 and MAX2 comparisons were only available on the .L units. On the C64x+ core they are also available on the .S unit which increases the performance of algorithms that do searching and sorting. Finally, to increase data packing and unpacking throughput, the .S unit allows sustained high performance for the quad 8-bit/16-bit and dual 16-bit instructions. Unpack instructions prepare 8-bit data for parallel 16-bit operations. Pack instructions return parallel results to output precision including saturation support.
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Other new features include:
SPLOOP - A small instruction buffer in the CPU that aids in creation of software pipelining loops where multiple iterations of a loop are executed in parallel. The SPLOOP buffer reduces the code size associated with software pipelining. Furthermore, loops in the SPLOOP buffer are fully interruptible.
Compact Instructions - The native instruction size for the C6000 devices is 32 bits. Many common instructions such as MPY, AND, OR, ADD, and SUB can be expressed as 16 bits if the C64x+ compiler can restrict the code to use certain registers in the register file. This compression is performed by the code generation tools.
Instruction Set Enhancements - As noted above, there are new instructions such as 32-bit multiplications, complex multiplications, packing, sorting, bit manipulation, and 32-bit Galois field multiplication.
Exception Handling - Intended to aid the programmer in isolating bugs. The C64x+ CPU is able to detect and respond to exceptions, both from internally detected sources (such as illegal op-codes) and from system events (such as a watchdog time expiration).
Privilege - Defines user and supervisor modes of operation, allowing the operating system to give a basic level of protection to sensitive resources. Local memory is divided into multiple pages, each with read, write, and execute permissions.
Time-Stamp Counter - Primarily targeted for Real-Time Operating System (RTOS) robustness, a free-running time-stamp counter is implemented in the CPU which is not sensitive to system stalls.
For more details on the C64x+ CPU and its enhancements over the C64x architecture, see the following documents:
TMS320C64x/C64x+ DSP CPU and Instruction Set Reference Guide (literature number SPRU732 )
TMS320C64x+ DSP Cache User's Guide (literature number SPRU862 )
TMS320C64x+ Megamodule Reference Guide (literature number SPRU871 )
TMS320C6455 Technical Reference (literature number SPRU965 )
TMS320C64x to TMS320C64x+ CPU Migration Guide (literature number SPRAA84 )
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src2
src2
.D1
.M1
.S1
.L1
long src
odd dst
src2
src1
src1
src1
src1
even dst
even dst
odd dst
dst1
dst
src2
src2
src2
long src
DA1
ST1b
LD1b LD1a
ST1a
Data path A
Odd
register
file A
(A1, A3,
A5...A31)
Odd
register
file B
(B1, B3,
B5...B31)
.D2
src1
dst
src2
DA2
LD2a LD2b
src2
.M2
src1
dst1
.S2
src1
even dst
long src
odd dst
ST2a ST2b
long src
.L2
even dst
odd dst
src1
Data path B
Control Register
32 MSB 32 LSB
dst2
(A)
32 MSB
32 LSB
2x
1x
32 LSB
32 MSB
32 LSB
32 MSB
dst2
(B)
(B) (A)
8
8
8
8
32
32
32
32
(C)
(C)
Even
register
file A
(A0, A2,
A4...A30)
Even
register
file B
(B0, B2,
B4...B30)
(D)
(D)
(D)
(D)
A. On .M unit, dst2 is 32 MSB. B. On .M unit, dst1 is 32 LSB. C. On C64x CPU .M unit, src2 is 32 bits; on C64x+ CPU .M unit, src2 is 64 bits. D. On .L and .S units, odd dst connects to odd register files and even dst connects to even register files.
TMS320C6454
Fixed-Point Digital Signal Processor
Figure 2-1. TMS320C64x+™ CPU (DSP Core) Data Paths
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TMS320C6454 Fixed-Point Digital Signal Processor

2.3 Memory Map Summary

Table 2-2 shows the memory map address ranges of the C6454 device. The external memory
configuration register address ranges in the C6454 device begin at the hex address location 0x7000 0000 for EMIFA and hex address location 0x7800 0000 for DDR2 Memory Controller.
MEMORY BLOCK DESCRIPTION BLOCK SIZE (BYTES) HEX ADDRESS RANGE
Reserved 1024K 0000 0000 - 000F FFFF Internal ROM 32K 0010 0000 - 0010 7FFF Reserved 7M - 32K 0010 8000 - 007F FFFF Internal RAM (L2) [L2 SRAM] 1M 0080 0000 - 008F FFFF Reserved 5M 0090 0000 - 00DF FFFF L1P SRAM 32K 00E0 0000 - 00E0 7FFF Reserved 1M - 32K 00E0 8000 - 00EF FFFF L1D SRAM 32K 00F0 0000 - 00F0 7FFF Reserved 1M - 32K 00F0 8000 - 00FF FFFF Reserved 8M 0100 0000 - 017F FFFF C64x+ Megamodule Registers 4M 0180 0000 - 01BF FFFF Reserved 12.5M 01C0 0000 - 0287 FFFF HPI Control Registers 256K 0288 0000 - 028B FFFF McBSP 0 Registers 256K 028C 0000 - 028F FFFF McBSP 1 Registers 256K 0290 0000 - 0293 FFFF Timer 0 Registers 256K 0294 0000 - 0297 FFFF Timer 1 Registers 128K 0298 0000 - 0299 FFFF PLL1 Controller (including Reset Controller) Registers 512 029A 0000 - 029A 01FF Reserved 256K - 512 029A 0200 - 029B FFFF PLL2 Controller Registers 512 029C 0000 - 029C 01FF Reserved 64K 029C 0200 - 029C FFFF EDMA3 Channel Controller Registers 32K 02A0 0000 - 02A0 7FFF Reserved 96K 02A0 8000 - 02A1 FFFF EDMA3 Transfer Controller 0 Registers 32K 02A2 0000 - 02A2 7FFF EDMA3 Transfer Controller 1 Registers 32K 02A2 8000 - 02A2 FFFF EDMA3 Transfer Controller 2 Registers 32K 02A3 0000 - 02A3 7FFF EDMA3 Transfer Controller 3 Registers 32K 02A3 8000 - 02A3 FFFF Reserved 256K 02A4 0000 - 02A7 FFFF Chip-Level Registers 256K 02A8 0000 - 02AB FFFF Device State Control Registers 256K 02AC 0000 - 02AF FFFF GPIO Registers 16K 02B0 0000 - 02B0 3FFF I2C Data and Control Registers 256K 02B0 4000 - 02B3 FFFF Reserved 720K 02B4 0000 - 02BF FFFF PCI Control Registers 256K 02C0 0000 - 02C3 FFFF Reserved 256K 02C4 0000 - 02C7 FFFF EMAC Control 4K 02C8 0000 - 02C8 0FFF EMAC Control Module Registers 2K 02C8 1000 - 02C8 17FF MDIO Control Registers 2K 02C8 1800 - 02C8 1FFF EMAC Descriptor Memory 8K 02C8 2000 - 02C8 3FFF Reserved 496K 02C8 4000 - 02CF FFFF Reserved 220M 02D0 0000 - 0FFF FFFF Reserved 256M 1000 0000 - 1FFF FFFF
Table 2-2. C6454 Memory Map Summary
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Table 2-2. C6454 Memory Map Summary (continued)
MEMORY BLOCK DESCRIPTION BLOCK SIZE (BYTES) HEX ADDRESS RANGE
Reserved 256M 2000 0000 - 2FFF FFFF McBSP 0 Data 256 3000 0000 - 3000 00FF Reserved 64M - 256 3000 0100 - 33FF FFFF McBSP 1 Data 256 3400 0000 - 3400 00FF Reserved 64M - 256 3400 0100 - 37FF FFFF Reserved 2K 3C00 0000 - 3C00 07FF Reserved 16M - 2K 3C00 0800 - 3CFF FFFF Reserved 48M 3D00 0000 - 3FFF FFFF PCI External Memory Space 256M 4000 0000 - 4FFF FFFF Reserved 256M 5000 0000 - 5FFF FFFF Reserved 256M 6000 0000 - 6FFF FFFF EMIFA (EMIF64) Configuration Registers 128M 7000 0000 - 77FF FFFF DDR2 Memory Controller Configuration Registers 128M 7800 0000 - 7FFF FFFF Reserved 256M 8000 0000 - 8FFF FFFF Reserved 256M 9000 0000 - 9FFF FFFF EMIFA CE2 - SBSRAM/Async Reserved 256M - 8M A080 0000 - AFFF FFFF EMIFA CE3 - SBSRAM/Async Reserved 256M - 8M B080 0000 - BFFF FFFF EMIFA CE4 - SBSRAM/Async Reserved 256M - 8M C080 0000 - CFFF FFFF EMIFA CE5 - SBSRAM/Async Reserved 256M - 8M D080 0000 - DFFF FFFF DDR2 Memory Controller CE0 - DDR2 SDRAM 256M E000 0000 - EFFF FFFF Reserved 256M F000 0000 - FFFF FFFF
(1) The EMIFA CE0 and CE1 are not functionally supported on the C6454 device, and therefore, are not pinned out.
(1)
(1)
(1)
(1)
8M A000 0000 - A07F FFFF
8M B000 0000 - B07F FFFF
8M C000 0000 - C07F FFFF
8M D000 0000 - D07F FFFF
TMS320C6454
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TMS320C6454 Fixed-Point Digital Signal Processor

2.4 Boot Sequence

The boot sequence is a process by which the DSP's internal memory is loaded with program and data sections and the DSP's internal registers are programmed with predetermined values. The boot sequence is started automatically after each power-on reset, warm reset, and system reset. For more details on the initiators of these resets, see Section 7.6 , Reset Controller.
There are several methods by which the memory and register initialization can take place. Each of these methods is referred to as a boot mode. The boot mode to be used is selected at reset through the BOOTMODE[3:0] pins.
Each boot mode can be classified as a hardware boot mode or as a software boot mode. Software boot modes require the use of the on-chip bootloader. The bootloader is DSP code that transfers application code from an external source into internal or external program memory after the DSP is taken out of reset. The bootloader is permanently stored in the internal ROM of the DSP starting at byte address 0010 0000h. Hardware boot modes are carried out by the boot configuration logic. The boot configuration logic is actual hardware that does not require the execution of DSP code. Section 2.4.1 , Boot Modes Supported, describes each boot mode in more detail.
When accessing the internal ROM of the DSP, the CPU frequency must always be less than 750 MHz. Therefore, when using a software boot mode, care must be taken such that the CPU frequency does not exceed 750 MHz at any point during the boot sequence. After the boot sequence has completed, the CPU frequency can be programmed to the frequency required by the application.

2.4.1 Boot Modes Supported

The C6454 has six boot modes:
No boot (BOOTMODE[3:0] = 0000b) With no boot, the CPU executes directly from the internal L2 SRAM located at address 0x80 0000.
Note: device operations is undefined if invalid code is located at address 0x80 0000. This boot mode is a hardware boot mode.
Host boot (BOOTMODE[3:0] = 0001b and BOOTMODE[3:0] = 0111b) If host boot is selected, after reset, the CPU is internally "stalled" while the remainder of the device is
released. During this period, an external host can initialize the CPU's memory space as necessary through Host Port Interface (HPI) or the Peripheral Component Interconnect (PCI) interface. Internal configuration registers, such as those that control the EMIF can also be initialized by the host with two exceptions: Device State Control registers (Section 3.4 ), PLL1 and PLL2 Controller registers (Section 7.7 and Section 7.8 ) cannot be accessed through any host interface, including HPI and PCI.
Once the host is finished with all necessary initialization, it must generate a DSP interrupt (DSPINT) to complete the boot process. This transition causes boot configuration logic to bring the CPU out of the "stalled" state. The CPU then begins execution from the internal L2 SRAM located at 0x80 0000. Note that the DSP interrupt is registered in bit 0 (channel 0) of the EDMA Event Register (ER). This event must be cleared by software before triggering transfers on DMA channel 0.
All memory, with the exceptions previously described, may be written to and read by the host. This allows for the host to verify what it sends to the DSP if required. After the CPU is out of the "stalled" state, the CPU needs to clear the DSPINT, otherwise, no more DSPINTs can be received.
As previously mentioned, for the C6454 device, the Host Port Interface (HPI) and the Peripheral Component Interconnect (PCI) interface can be used for host boot. To use the HPI for host boot, the PCI_EN pin (Y29) must be low [default] (enabling the HPI peripheral) and BOOTMODE[3:0] must be set to 0001b at device reset. Conversely, to use the PCI interface for host boot, the PCI_EN pin (Y29) must be high (enabling the PCI peripheral) and BOOTMODE[3:0] must be set to 0111b at device reset. For the HPI host boot, the DSP interrupt can be generated through the use of the DSPINT bit in the HPI Control (HPIC) register.
For the HPI host boot, the CPU is actually held in reset until a DSP interrupt is generated by the host. The DSP interrupt can be generated through the use of the DSPINT bit in the HPI Control (HPIC) register. Since the CPU is held in reset during HPI host boot, it will not respond to emulation software
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TMS320C6454
Fixed-Point Digital Signal Processor
such as Code Composer Studio. For the PCI host boot, the CPU is out of reset, but it executes an IDLE instruction until a DSP interrupt
is generated by the host. The host can generate a DSP interrupt through the PCI peripheral by setting the DSPINT bit in the Back-End Application Interrupt Enable Set Register (PCIBINTSET) and the Status Set Register (PCISTATSET).
Note that the HPI host boot is a hardware boot mode while the PCI host boot is a software boot mode. If PCI boot is selected, the on-chip bootloader configures the PLL1 Controller such that CLKIN1 is
multiplied by 15. More specifically, PLLM is set to 0Eh (x15) and RATIO is set to 0 (÷1) in the PLL1 Multiplier Control Register (PLLM) and PLL1 Pre-Divider Register (PREDIV), respectively. The CLKIN1 frequency must not be greater than 50 MHz so that the maximum speed of the internal ROM, 750 MHz, is not violated. The CFGGP[2:0] pins must be set to 000b during reset for proper operation of the PCI boot mode.
As mentioned previously, a DSP interrupt must be generated at the end of the host boot process to begin execution of the loaded application. Since the DSP interrupt generated by the HPI and PCI is mapped to the EDMA event DSP_EVT (DMA channel 0), it will get recorded in bit 0 of the EDMA Event Register (ER). This event must be cleared by software before triggering transfers on DMA channel 0.
EMIFA 8-bit ROM boot (BOOTMODE[3:0] = 0100b) After reset, the device will begin executing software out of an Asynchronous 8-bit ROM located in
EMIFA CE3 space using the default settings in the EMIFA registers. This boot mode is a hardware boot mode.
Master I2C boot (BOOTMODE[3:0] = 0101b) After reset, the DSP can act as a master to the I2C bus and copy data from an I2C EEPROM or a
device acting as an I2C slave to the DSP using a predefined boot table format. The destination address and length are contained within the boot table. This boot mode is a software boot mode.
Slave I2C boot (BOOTMODE[3:0] = 0110b) A Slave I2C boot is also implemented, which programs the DSP as an I2C Slave and simply waits for a
Master to send data using a standard boot table format. Using the Slave I2C boot, a single DSP or a device acting as an I2C Master can simultaneously boot
multiple slave DSPs connected to the same I2C bus. Note that the Master DSP may require booting via an I2C EEPROM before acting as a Master and booting other DSPs.
The Slave I2C boot is a software boot mode.

2.4.2 2nd-Level Bootloaders

Any of the boot modes can be used to download a 2nd-level bootloader. A 2nd-level bootloader allows for any level of customization to current boot methods as well as definition of a completely customized boot. TI offers a few 2nd-level bootloaders, such as an EMAC bootloader, which can be loaded using the Master I2C boot.
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PRODUCT PREVIEW
AG
AF
AE
AD
AC
AB
AA
Y
W
V
U
T
R
13121110987654321
13121110987654321
CLKR1/
GP[0]
HD15/
AD15
HD2/
AD2
PGNT/ GP[12]
HD22/ AD22
DV
DD33
RSV15
PIDSEL
RSV16
HDS1/
PSERR
HINT/
PFRAME
DV
DD33
HHWIL/
PCLK
V
SS
HD12/
AD12
HD24/ AD24
RSV03
HD20/
AD20
HD18/
AD18
HD6/
AD6
HD16/ AD16
V
SS
HD28/
AD28
HD17/ AD17
HD31/ AD31
HD14/
AD14
HCNTL1/
PDEVSEL
HR/W/
PCBE2
HRDY/ PIRDY
PRST/
GP[13]
HD21/ AD21
DV
DD33
V
SS
EMU8
RSV36
EMU11
EMU1
EMU10
EMU12
RSV37
EMU15
EMU4
EMU13
DV
DD33
DV
DD33
V
SS
EMU0
V
SS
DV
DD33
RSV38EMU6
CLKX1/
GP[3]
DV
DD33
V
SS
EMU18
DV
DD33
EMU5
V
SS
DV
DD33
HD9/
AD9
HD23/ AD23
HD3/
AD3
HD10/ AD10
GP[6]
V
SS
EMU14
GP[7]
RSV02
HD4/
AD4
HD30/
AD30
CV
DD
HD27/
AD27
V
SS
V
SS
V
SS
DV
DD33
V
SS
CV
DD
CV
DD
V
SS
DV
DD33
DV
DD33
V
SS
V
SS
DV
DD33
V
SS
V
SS
HD19/ AD19
HD13/
AD13
HD29/
AD29
DV
DD33
DV
DD33
HD25/
AD25
DV
DD33
HD0/
AD0
V
SS
HD11/ AD11
TOUTL0
EMU3
EMU7
TOUTL1
V
SS
DV
DD33
V
SS
DV
DD33
V
SS
HDS2/
PCBE1
HCNTL0/
PSTOP
HCS/
PPERR
V
SS
HD8/
AD8
V
SS
HD26/
AD26
V
SS
HD7/
AD7
HD1/
AD1
EMU2
RSV39
V
SS
DV
DD33
HAS/
PPAR
HD5/
AD5
AH
TINPL0 EMU17TDONMI EMU16GP[4]V
SS
TRST
TDI
RSV27 EMU9
AJ
TINPL1 TMSV
SS
CLKS RSV40
GP[5]DV
DD33
DV
DD33
TCK
RSV26
SYSCLK4/
GP[1]
14
V
SS
DV
DD33
RESETSTAT
POR
V
SS
CV
DD
CV
DD
RESET
DV
DD33
V
SS
15
RSV64
V
SS
DV
DD33
RSV45
CV
DD
V
SS
V
SS
RSV46
V
SS
DV
DD33
14 15
V
SS
CV
DD
CV
DD
CV
DD
V
SS
V
SS
V
SS
CV
DD
RSV68
V
SS
V
SS
CV
DD
AG
AF
AE
AD
AC
AB
AA
Y
W
V
U
T
R
AH
AJFSX0 DR0
FSR0
DR1/
GP[8]
CLKR0
FSX1/ GP[11]
DX1/ GP[9]
CLKX0
DX0
FSR1/
GP[10]
TMS320C6454 Fixed-Point Digital Signal Processor

2.5 Pin Assignments

2.5.1 Pin Map

Figure 2-2 through Figure 2-5 show the C6454 pin assigments in four quadrants (A, B, C, and D).
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Figure 2-2. C6454 Pin Map (Bottom View) [Quadrant A]
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AG
AF
AE
AD
AC
AB
AA
Y
W
V
U
T
R
17 18 19 20 21 22 23 24 25 26 27 28 29
17 18 19 20 21 22 23 24 25 26 27 28 29
SDA
AED27
V
SS
ASADS/
ASRE
AED17
AHOLD
PLLV1
AEA13/
LENDIAN
AEA4/
SYSCLKOUT
_EN
AEA5/
MCBSP1
_EN
AEA6/ PCI66
AECLKOUTACE5 ACE4
ABA0/
DDR2_EN
ABE7ACE2 RSV41
AAOE/
ASOE
RSV42 RSV44
ABE2ABE0
AED29
AED31
ACE3
AEA1/
CFGGP1
AEA11
AEA2/
CFGGP2
AEA14/
HPI_
WIDTH
AED21
DV
DD33
V
SS
V
SS
V
SS
DV
DD33
RSV73
RSV63
V
SS
V
SS
RSV17
V
SS
DV
DD33
V
SS
V
SS
RSV74
RSV50
DV
DD33
V
SS
DV
DD33
V
SS
AED3V
SS
RSV49
AED7
AED1
SCL
RSV65
V
SS
RSV72
RSV48
V
SS
DV
DD33
V
SS
AED25
AED28
AED11
AED4
AED9
AED15RSV47
AED16
ABA1/
EMIFA_EN
RSV43
ABE1
RSV71
AED24DV
DD33
V
SS
V
SS
AED19
DV
DD33
CV
DD
CV
DD
DV
DD33
V
SS
V
SS
DV
DD33
DV
DD33
V
SS
V
SS
V
SS
DV
DD33
V
SS
AED26V
SS
DV
DD33
AED22AED0
AED13AED12
AED10RSV54RSV75RSV51
AED30DV
DD33
AEA12
V
SS
V
SS
V
SS
V
SS
RSV20
AEA0/
CFGGP0
V
SS
DV
DD33
AR/WDV
DD33
PCI_ENDV
DD33
AED23
AAWE/ ASWE
RSV53RSV52DV
DD33
ABE3
AEA3
AED8
AH
DV
DD33
V
SS
RSV76 RSV58 AED14RSV55 AED2 AED18
V
SS
RSV62VSSV
SS
V
SS
RSV59
AJ
V
SS
DV
DD33
V
SS
RSV57 AED5RSV56 AED6 AED20 DV
DD33
RSV78RSV61RSV60RSV77
16
V
SS
RSV66
V
SS
DV
DD33
V
SS
RSV70
CV
DD
V
SS
DV
DD33
V
SS
16
V
SS
CV
DD
CV
DD
RSV69
V
SS
V
SS
V
SS
RSV67 V
SS
CV
DD
AG
AF
AE
AD
AC
AB
AA
Y
W
V
U
T
R
AH
AJ
TMS320C6454
Fixed-Point Digital Signal Processor
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Figure 2-3. C6454 Pin Map (Bottom View) [Quadrant B]
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PRODUCT PREVIEW
C
D
E
F
G
H
J
K
L
M
N
P
17 18 19 20 21 22 23 24 25 26 27 28 29
17 18 19 20 21 22 23 24 25 26 27 28 29
RSV09
AED52
DV
DD33
V
SS
V
SS
V
SS
AECLKIN
AEA9/
MACSEL0
CLKIN1
DV
DD33
AEA15/
AECLKIN
_SEL
AED40AED44 AED42
AED34
ABE6
AED32
ABE4
AEA18/
BOOT
MODE2
AED37
ABUSREQ
AED46
AEA16/
BOOT
MODE0
AEA19/
BOOT
MODE3
AHOLDA
AEA10/
MACSEL1
V
SS
V
SS
DV
DD18
DED19
V
SS
CV
DD
VSSDSDDQS2
DSDDQ
GATE2
DED23
DV
DD18
DV
DD33
DSDDQS3
DSDDQS3
V
SS
DV
DD18
RSV11
RSV12 RSV33DSDDQM2 DED26
V
SS
RSV32
RSV23
V
SS
V
SS
DEA4
DEA1
AV
DLL2
DV
DD33
DV
DD33
AED56
AED50
AED45
AED59
AED61
AED58DEA5
AED60
AED33
AEA17/
BOOT
MODE1
DSDDQ
GATE3
RSV19
AED55V
SS
DV
DD18
DV
DD18
AED39
DV
DD33
V
SS
V
SS
RSV30
DV
DD33
V
SS
V
SS
DV
DD18
V
SS
DV
DD18
DV
DD18
AED35AED48AED54DV
DD18
V
SS
DV
DD33
AED47
DV
DD33
DV
DD33
AED57DED27DSDDQS2DEA0
AED41DSDDQM3
DV
DD33
V
SS
CV
DD
V
SS
CV
DD
V
SS
AEA8/
PCI_EEAI
RSV31
AED38
V
SS
AARDY
V
SS
AED36AED63
V
SS
DED22DED18DEA6
ABE5
AEA7
AED43
B
DED29 DED31DV
DD18
DED25
RSV22
DEA2 AED49 AED51
V
SS
DV
DD18
DED21DED16DEA7
A
DED28 DED30V
SS
DED24 DV
DD18MON
DEA3 AED62 AED53 DV
DD33
V
SS
DED20DED17DEODT1
16
DV
DD18
CV
DD
DEODT0
DEA8
CV
DD
V
SS
V
SS
DEA9
DEA10
DEA11
16
CV
DD
V
SS
V
SS
CV
DD
V
SS
CV
DD
C
D
E
F
G
H
J
K
L
M
N
P
B
A
TMS320C6454 Fixed-Point Digital Signal Processor
Figure 2-4. C6454 Pin Map (Bottom View) [Quadrant C]
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A
D
E
F
G
H
J
K
L
M
N
P
13121110987654321
13121110987654321
RGRXD2
RGTXD3
DV
DD33
MTXD2
V
SS
MTXD0/
RMTXD0
CV
DDMON
MTXD6
V
SS
PREQ/ GP[15]
PINTA/ GP[14]
MRXD2 MRXD3
MRXD0/
RMRXD0
V
SS
MTXD3MCOL
MRXD5
MTXD1/ RMTXD1
DV
DD15
MTXD4
MCRS/
RMCRSDV
PTRDY
MTXD7
MTCLK/
RMREFCLK
MDCLK
RGRXD3
DV
DD18
DED1
DSDDQS0
DSDDQM0 DED2
DSDDQS0
DED6
DED7
DED8
DED9
DED10
DSDDQM1
DSDDQS1
DED15
DED14
V
SS
RSV25
RSV35
RSV34
V
SS
DV
DD15
V
SS
V
SS
DV
DD15
V
SS
V
SS
DSDWE
DSDRAS
DSDCAS
V
SS
DED3
RSV29
DV
DD33
RGTXD0
RGTXD1
RGREFCLK
RGTXCTL
DV
DD15MON
RGRXD1 RSV18
RSV13
GMTCLK
MTXD5
DSDDQ
GATE0
DED0
DV
DD15
DED12 DV
DD18
DED5
RGRXD0
DV
DD33
V
SS
V
SS
V
SS
DV
DD33MONVSS
RSV21 DED13 DED4 V
SS
AV
DLL1
V
SSVREFHSTL
RGMDCLK RSV24
DSDDQ
GATE1
RGRXCTL V
SS
DV
DD15
RGTXC
RGRXC DSDDQS1 DV
DD18
DV
DD18
RSV14
DV
DD18
MRXD7 V
SS
CV
DD
RSV28 CV
DD
PCBE0/
GP[2]
PCBE3 DV
DD33
MTXEN/
RMTXEN
V
SS
DV
DD33
V
SS
RGMDIO PLLV2 V
SS
DED11
DV
DD18
DV
DD18
MRXD4
MDIO
RGTXD2
B
DV
DD15
V
SS
DV
DD18
DV
DD18
RSV07 DV
DD18
CLKIN2DV
DD33
V
SS
V
SS
V
SS
V
SS
V
SS
C
V
SS
MRXDV
MRXER/
RMRXER
CV
DD
MRXD1/
RMRXD1
MRXD6MRCLK DV
DD15
V
SS
V
SS
14
DDR2
CLKOUT
V
REFSSTL
DSDCKE
DCE0
CV
DD
DDR2
CLKOUT
V
SS
V
SS
DV
DD18
CV
DD
15
DEA13
DBA0
DBA1
DBA2
V
SS
DEA12
CV
DD
DV
DD18
V
SS
V
SS
14 15
CV
DD
RSV04
V
SS
CV
DD
V
SS
CV
DD
RSV05
F
D
E
A
G
H
J
K
L
M
N
P
B
C
TMS320C6454
Fixed-Point Digital Signal Processor
Figure 2-5. C6454 Pin Map (Bottom View) [Quadrant D]
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PRODUCT PREVIEW
TRST
IEEE Standard
1149.1
(JTAG)
Emulation
Reserved
Reset and Interrupts
Control/Status
TDI
TDO
TMS
TCK
NMI
RESET
RSV03 RSV04
Clock/PLL1
and
PLL Controller
CLKIN1
EMU0 EMU1
SYSCLK4/GP[1]
(A)
EMU14 EMU15 EMU16
EMU17
RSV02
EMU18
RSV06 RSV07
RSV05
RSV77 RSV78
RSV76
RESETSTAT
CLKIN2
POR
PCI_EN
Peripheral
Enable/Disable
Clock/PLL2
PLLV2
PLLV1
A. This pin functions as GP[1] by default. For more details, see the Device Configuration section of this document.
TMS320C6454 Fixed-Point Digital Signal Processor

2.6 Signal Groups Description

Figure 2-6. CPU and Peripheral Signals
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A. This pin functions as GP[1] by default. For more details, see the Device Configuration section of this document. B. These McBSP1 peripheral pins are muxed with the GPIO peripheral pins and by default these signals function as GPIO peripheral pins. For
more details, see the Device Configuration section of this document.
C. These PCI peripheral pins are muxed with the GPIO peripheral pins and by default these signals function as GPIO peripheral pins. For more
details, see the Device Configuration section of this document.
GPIO
General-Purpose Input/Output 0 (GPIO) Port
CLKX1/GP[3]
(B)
PCBE0/GP[2]
(C)
SYSCLK4/GP[1]
(A)
PREQ/GP[15]
(C)
PINTA/GP[14]
(C)
PRST/GP[13]
(C)
PGNT/GP[12]
(C)
FSX1/GP[11]
(B)
FSR1/GP[10]
(B)
DX1/GP[9]
(B)
DR1/GP[8]
(B)
GP[7] GP[6] GP[5] GP[4]
CLKR1/GP[0]
(B)
Timers (64-Bit)
TINPL1
Timer 1
Timer 0
TOUTL1
TINPL0
TOUTL0
TMS320C6454
Fixed-Point Digital Signal Processor
Figure 2-7. Timers/GPIO Peripheral Signals
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PRODUCT PREVIEW
ACE4
(A)
AECLKOUT
AED[63:0]
ACE3
(A)
ACE2
(A)
AEA[19:0]
AARDY
Data
Memory Map
Space Select
Address
Byte Enables
64
20
External
Memory I/F
Control
EMIFA (64-bit Data Bus)
AECLKIN
AHOLD AHOLDA ABUSREQ
Bus
Arbitration
ABE3 ABE2 ABE1 ABE0
ASWE/AAWE
DDR2CLKOUT
DED[31:0]
DCE0
DEA[13:0]
Data
Memory Map
Space Select
Address
Byte Enables
32
14
External
Memory I/F
Control
DDR2 Memoty Controller (32-bit Data Bus)
DSDCAS
DSDCKE
DDR2CLKOUT
DSDDQS[3:0]
DSDRAS DSDWE
DSDDQS[3:0]
ABE7 ABE6 ABE5
ABE4
ACE5
(A)
Bank Address
ABA[1:0]
AR/W AAOE/ASOE ASADS/ASRE
Bank Address
DBA[2:0]
DEODT[1:0]
DSDDQGATE[0]
DSDDQM3 DSDDQM2
DSDDQM1 DSDDQM0
A. The EMIFA ACE0 and ACE1 are not functionally supported on the C6454 device.
DSDDQGATE[1] DSDDQGATE[2] DSDDQGATE[3]
TMS320C6454 Fixed-Point Digital Signal Processor
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Figure 2-8. EMIFA/DDR2 Memory Controller Peripheral Signals
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McBSPs
(Multichannel Buffered Serial Ports)
(B)
CLKX0 FSX0 DX0
CLKR0 FSR0
DR0
Transmit
McBSP0
Receive
Clock
CLKX1/GP[3]
FSX1/GP[11]
DX1/GP[9]
CLKR1/GP[0]
FSR1/GP[10]
DR1/GP[8]
Transmit
McBSP1
Receive
Clock
HHWIL/PCLK
HCNTL0/PSTOP
HCNTL1/PDEVSEL
Data
Register Select
Half-Word
Select
Control
HPI
(A)
(Host-Port Interface)
32
HAS/PPAR
HR/W/PCBE2 HCS/PPERR
HDS1/PSERR HDS2/PCBE1 HRDY/PIRDY
HINT/PFRAME
(HPI16 ONL Y)
HD[15:0]/AD[15:0]
HD[31:16]/AD[31:16]
SCL
I2C
SDA
A. These HPI pins are muxed with the PCI peripheral. By default, these pins function as HPI. When the HPI is enabled, the number of HPI pins
used depends on the HPI configuration (HPI16 or HPI32). For more details on these muxed pins, see the Device Configuration section of this document.
B. These McBSP1 peripheral pins are muxed with the GPIO peripheral pins and by default these signals function as GPIO peripheral pins. For
more details, see the Device Configuration section of this document.
CLKS
(SHARED)
TMS320C6454
Fixed-Point Digital Signal Processor
Figure 2-9. HPI/McBSP/I2C Peripheral Signals
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RGTXCTL, RGRXCTL
MRXER/RMRXER,
MRXDV,
MCRS/RMCRSDV,
MCOL,
MTXEN/RMTXEN
Ethernet MAC (EMAC) and MDIO
MDIO
MDCLK
MDIO
Clock
Clocks
Error Detect
and Control
Input/Output
Receive
RGMDIO
RGMDCLK
RGTXD[3:0]
A. RGMII signals are mutually exclusive to all other EMAC signals.
RGTXC, RGRXC,
RGREFCLK
MTXD[7:2],
MTXD[1:0]/RMTXD[1:0]
Transmit
RGMII
(A)
GMII
RMII
MII
RGRXD[3:0]
MRXD[7:2],
MRXD[1:0]/RMRXD[1:0]
RGMII
(A)
GMII
RMII
MII
RGMII
(A)
GMII
RMII
MII
RGMII
(A)
GMII
RMII
MII
RGMII
(A)
GMII
RMII
MII
GMII
RMII
MII
RGMII
(A)
MTCLK/RMREFCLK,
MRCLK,
GMTCLK
Ethernet MAC
(EMAC)
TMS320C6454 Fixed-Point Digital Signal Processor
Figure 2-10. EMAC/MDIO [MII/RMII/GMII/RGMII] Peripheral Signals
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HD[15:0]/AD[15:0]
HR/W/PCBE2 HDS2/PCBE1 PCBE0/GP[2]
HHWIL/PCLK
HINT/PFRAME PINTA/GP[14]
Data/Address
Arbitration
32
Clock
Control
PCI Interface
(A)
HAS/PPAR PRST/GP[13] HRDY/PIRDY HCNTL0/PSTOP PTRDY
PCBE3
PIDSEL HCNTL1/PDEVSEL
HDS1/PSERR
Error
Command
Byte Enable
HCS/PPERR
PGNT/GP[12] PREQ/GP[15]
HD[31:16]/AD[31:16]
A. These PCI pins are muxed with the HPI or GPIO peripherals. By default, these signals function as HPI or GPIO or EMAC. For more
details on these muxed pins, see the Device Configuration section of this document.
TMS320C6454
Fixed-Point Digital Signal Processor
Figure 2-11. PCI Peripheral Signals
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TMS320C6454 Fixed-Point Digital Signal Processor

2.7 Terminal Functions

The terminal functions table (Table 2-3 ) identifies the external signal names, the associated pin (ball) numbers along with the mechanical package designator, the pin type (I, O/Z, or I/O/Z), whether the pin has any internal pullup/pulldown resistors, and a functional pin description. For more detailed information on device configuration, peripheral selection, multiplexed/shared pins, and pullup/pulldown resistors, see
Section 3 , Device Configuration.
Table 2-3. Terminal Functions
SIGNAL
NAME NO.
CLKIN1 N28 I IPD Clock Input for PLL1. CLKIN2 G3 I IPD Clock Input for PLL2. PLLV1 T29 A 1.8-V I/O supply voltage for PLL1 PLLV2 A5 A 1.8-V I/O supply voltage for PLL2
SYSCLK4/GP[1]
TMS AJ10 I IPU JTAG test-port mode select TDO AH8 O/Z IPU JTAG test-port data out TDI AH9 I IPU JTAG test-port data in TCK AJ9 I IPU JTAG test-port clock
TRST AH7 I IPD
(4)
EMU0
(4)
EMU1 EMU2 AG9 I/O/Z IPU Emulation pin 2 EMU3 AF10 I/O/Z IPU Emulation pin 3 EMU4 AF9 I/O/Z IPU Emulation pin 4 EMU5 AE12 I/O/Z IPU Emulation pin 5 EMU6 AG8 I/O/Z IPU Emulation pin 6 EMU7 AF12 I/O/Z IPU Emulation pin 7 EMU8 AF11 I/O/Z IPU Emulation pin 8 EMU9 AH13 I/O/Z IPU Emulation pin 9 EMU10 AD10 I/O/Z IPU Emulation pin 10 EMU11 AD12 I/O/Z IPU Emulation pin 11 EMU12 AE10 I/O/Z IPU Emulation pin 12 EMU13 AD8 I/O/Z IPU Emulation pin 13 EMU14 AF13 I/O/Z IPU Emulation pin 14 EMU15 AE9 I/O/Z IPU Emulation pin 15 EMU16 AH12 I/O/Z IPU Emulation pin 16 EMU17 AH10 I/O/Z IPU Emulation pin 17 EMU18 AE13 I/O/Z IPU Emulation pin 18
RESET AG14 I Device reset
(3)
AJ13 I/O/Z IPD
AF7 I/O/Z IPU Emulation pin 0
AE11 I/O/Z IPU Emulation pin 1
(1)
TYPE
RESETS, INTERRUPTS, AND GENERAL-PURPOSE INPUT/OUTPUTS
(2)
IPD/IPU
CLOCK/PLL CONFIGURATIONS
SYSCLK4 is the clock output at 1/8 of the device speed ( O/Z) or this pin can be programmed as the GP1 pin ( I/O/Z) [default].
JTAG EMULATION
JTAG test-port reset. For IEEE 1149.1 JTAG compatibility, see the IEEE
1149.1 JTAG compatibility statement portion of this document.
DESCRIPTION
(1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal (2) IPD = Internal pulldown, IPU = Internal pullup. For most systems, a 1-k resistor can be used to oppose the IPU/IPD. For more detailed
information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see Section 3.7 ,
Pullup/Pulldown Resistors. (3) These pins are multiplexed pins. For more details, see Section 3 , Device Configuration. (4) The C6454 DSP does not require external pulldown resistors on the EMU0 and EMU1 pins for normal or boundary-scan operation.
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TMS320C6454
Fixed-Point Digital Signal Processor
Table 2-3. Terminal Functions (continued)
SIGNAL
NAME NO.
NMI AH4 I IPD
RESETSTAT AE14 O Reset Status pin. The RESETSTAT pin indicates when the device is in reset POR AF14 I Power on reset. GP[7] AG2 I/O/Z IPD GP[6] AG3 I/O/Z IPD GP[5] AJ2 I/O/Z IPD GP[4] AH2 I/O/Z IPD PREQ/GP[15] P2 I/O/Z
(5)
PINTA PRST/GP[13] R5 I/O/Z PGNT/GP[12] R4 I/O/Z FSX1/GP[11] AG4 I/O/Z IPD FSR1/GP[10] AE5 I/O/Z IPD DX1/GP[9] AG5 I/O/Z IPD DR1/GP[8] AH5 I/O/Z IPD CLKX1/GP[3] AF5 I/O/Z IPD PCBE0/GP[2] P1 I/O/Z SYSCLK4/GP[1] CLKR1/GP[0] AF4 I/O/Z IPD
PCI_EN Y29 I IPD
HINT/ PFRAME U3 I/O/Z Host interrupt from DSP to host ( O/Z) or PCI frame ( I/O/Z) HCNTL1/ PDEVSEL U4 I/O/Z
HCNTL0/ PSTOP U5 I/O/Z
HHWIL/PCLK V3 I/O/Z order)
HR/ W/ PCBE2 T5 I/O/Z Host read or write select ( I) [default] or PCI command/byte enable 2 ( I/O/Z) HAS/PPAR T3 I/O/Z Host address strobe ( I) [default] or PCI parity ( I/O/Z) HCS/ PPERR U6 I/O/Z Host chip select ( I) [default] or PCI parity error ( I/O/Z) HDS1/ PSERR HDS2/ PCBE1 U1 I/O/Z Host data strobe 2 ( I) [default] or PCI command/byte enable 1 ( I/O/Z) HRDY/ PIRDY T4 I/O/Z Host ready from DSP to host ( O/Z) [default] or PCI initiator ready ( I/O/Z) PREQ/GP[15] P2 I/O/Z PCI bus request ( O/Z) or GP[15] ( I/O/Z) [default] PINTA PRST/GP[13] R5 I/O/Z PCI reset ( I) or GP[13] ( I/O/Z) [default] PGNT/GP[12] R4 I/O/Z PCI bus grant ( I) or GP[12] ( I/O/Z)[default] PCBE0/GP[2] P1 I/O/Z PCI command/byte enable 0 ( I/O/Z) or GP[2] ( I/O/Z)[default] PCBE3 P5 I/O/Z PCI command/byte enable 3 ( I/O/Z). By default, this pin has no function. PIDSEL R3 I PCI initialization device select ( I). By default, this pin has no function.
/GP[14] P3 I/O/Z
(3)
(5)
(5)
/GP[14] P3 I/O/Z PCI interrupt A ( O/Z) or GP[14] ( I/O/Z) default]
AJ13 O/Z IPD
HOST-PORT INTERFACE (HPI) or PERIPHERAL COMPONENT INTERCONNECT (PCI)
U2 I/O/Z Host data strobe 1 ( I) [default] or PCI system error ( I/O/Z)
(1)
TYPE
(2)
IPD/IPU
Nonmaskable interrupt, edge-driven (rising edge) Any noise on the NMI pin may trigger an NMI interrupt; therefore, if the NMI pin is not used, it is recommended that the NMI pin be grounded versus relying on the IPD.
General-purpose input/output (GPIO) pins ( I/O/Z).
PCI peripheral pins or general-purpose input/output (GPIO) [15:12, 2] pins ( I/O/Z) [default]
PCI bus request ( O/Z) or GP[15] ( I/O/Z) [default] PCI interrupt A ( O/Z) or GP[14] ( I/O/Z) [default] PCI reset ( I) or GP[13] ( I/O/Z) [default] PCI bus grant ( I) or GP[12] ( I/O/Z) [default] PCI command/byte enable 0 ( I/O/Z) or GP[2] ( I/O/Z) [default]
McBSP1 transmit clock ( I/O/Z) or GP[3] ( I/O/Z) [default] McBSP1 receive clock ( I/O/Z) or GP[0] ( I/O/Z) [default]
GP[1] pin ( I/O/Z). SYSCLK4 is the clock output at 1/8 of the device speed ( O/Z) or this pin can be programmed as a GP[1] pin ( I/O/Z) [default].
PCI enable pin. This pin controls the selection (enable/disable) of the HPI and GP[15:8], or PCI peripherals. This pin works in conjunction with the MCBSP 1_EN (AEA5 pin) to enable/disable other peripherals (for more details, see Section 3 , Device Configuration).
Host control - selects between control, address, or data registers ( I) [default] or PCI device select ( I/O/Z)
Host control - selects between control, address, or data registers ( I) [default] or PCI stop ( I/O/Z)
Host half-word select - first or second half-word (not necessarily high or low [For HPI16 bus width selection only] ( I) [default] or PCI clock ( I)
DESCRIPTION
(5) These pins function as open-drain outputs when configured as PCI pins.
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TMS320C6454 Fixed-Point Digital Signal Processor
SIGNAL
NAME NO.
PTRDY P4 I/O/Z PCI target ready ( PRTDY) ( I/O/Z). By default, this pin has no function. HD31/AD31 AA3 HD30/AD30 AA5 HD29/AD29 AC4 HD28/AD28 AA4 HD27/AD27 AC5 HD26/AD26 Y1 HD25/AD25 AD2 HD24/AD24 W1 HD23/AD23 AC3 HD22/AD22 AE1 HD21/AD21 AD1 HD20/AD20 W2 HD19/AD19 AC1 HD18/AD18 Y2 HD17/AD17 AB1 HD16/AD16 Y3 HD15/AD15 AB2 HD14/AD14 W4 HD13/AD13 AC2 HD12/AD12 V4 HD11/AD11 AF3 HD10/AD10 AE3 HD9/AD9 AB3 HD8/AD8 W5 HD7/AD7 AB4 HD6/AD6 Y4 HD5/AD5 AD3 HD4/AD4 Y5 HD3/AD3 AD4 HD2/AD2 W6 HD1/AD1 AB5 HD0/AD0 AE2
EMIFA (64-BIT) - CONTROL SIGNALS COMMON TO ALL TYPES OF MEMORY
ABA1/EMIFA_EN V25 O/Z IPD EMIFA bank address control (ABA[1:0])
ABA0/DDR2_EN V26 O/Z IPD
Table 2-3. Terminal Functions (continued)
(1)
TYPE
I/O/Z
I/O/Z Host-port data [15:0] pin ( I/O/Z) [default] or PCI data-address bus [15:0] ( I/O/Z)
(2)
IPD/IPU
Host-port data [31:16] pin ( I/O/Z) [default] or PCI data-address bus [31:16] ( I/O/Z)
Active-low bank selects for the 64-bit EMIFA. When interfacing to 16-bit Asynchronous devices, ABA1 carries bit 1 of the byte address. For an 8-bit Asynchronous interface, ABA[1:0] are used to carry bits 1 and 0 of the byte address
DDR2 Memory Controller enable (DDR2_EN) [ ABA0] 0 - DDR2 Memory Controller peripheral pins are disabled (default) 1 - DDR2 Memory Controller peripheral pins are enabled
EMIFA enable (EMIFA_EN) [ ABA1] 0 - EMIFA peripheral pins are disabled (default) 1 - EMIFA peripheral pins are enabled
DESCRIPTION
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TMS320C6454
Fixed-Point Digital Signal Processor
Table 2-3. Terminal Functions (continued)
SIGNAL
NAME NO.
ACE5 V27 O/Z IPU ACE4 V28 O/Z IPU ACE3 W26 O/Z IPU ACE2 W27 O/Z IPU ABE7 W29 O/Z IPU ABE6 K26 O/Z IPU ABE5 L29 O/Z IPU ABE4 L28 O/Z IPU ABE3 AA29 O/Z IPU ABE2 AA28 O/Z IPU ABE1 AA25 O/Z IPU ABE0 AA26 O/Z IPU
AHOLDA N26 O IPU EMIFA hold-request-acknowledge to the host AHOLD R29 I IPU EMIFA hold request from the host ABUSREQ L27 O IPU EMIFA bus request output
EMIFA (64-BIT) - ASYNCHRONOUS/SYNCHRONOUS MEMORY CONTROL
AECLKIN N29 I IPD clock) is selected at reset via the pullup/pulldown resistor on the AEA[15] pin.
AECLKOUT V29 O/Z IPD EMIFA output clock [at EMIFA input clock (AECLKIN or SYSCLK4) frequency] AAWE/ ASWE AB25 O/Z IPU AARDY K29 I IPU Asynchronous memory ready input
AR/ W W25 O/Z IPU Asynchronous memory read/write AAOE/ ASOE Y28 O/Z IPU Asynchronous/Programmable synchronous memory output-enable
ASADS/ ASRE R26 O/Z IPU
(1)
TYPE
IPD/IPU
(2)
EMIFA (64-BIT) - BUS ARBITRATION
DESCRIPTION
EMIFA memory space enables
Enabled by bits 28 through 31 of the word address
Only one pin is asserted during any external data access
Note: The C6454 device does not have ACE0 and ACE1 pins
EMIFA byte-enable control
Decoded from the low-order address bits. The number of address bits or byte enables used depends on the width of external memory.
Byte-write enables for most types of memory.
EMIFA external input clock. The EMIFA input clock (AECLKIN or SYSCLK4 Note: AECLKIN is the default for the EMIFA input clock.
Asynchronous memory write-enable/Programmable synchronous interface write-enable
Programmable synchronous address strobe or read-enable
For programmable synchronous interface, the r_enable field in the Chip Select x Configuration Register selects between ASADS and ASRE:
If r_enable = 0, then the ASADS/ ASRE signal functions as the ASADS
signal.
If r_enable = 1, then the ASADS/ ASRE signal functions as the ASRE
signal.
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TMS320C6454 Fixed-Point Digital Signal Processor
Table 2-3. Terminal Functions (continued)
SIGNAL
NAME NO.
AEA19/BOOTMODE3 N25 EMIFA external address (word address) ( O/Z) AEA18/BOOTMODE2 L26 AEA17/BOOTMODE1 L25 AEA16/BOOTMODE0 P26 AEA15/AECLKIN_SEL P27 AEA14/HPI_WIDTH R25 AEA13/LENDIAN R27 O/Z IPU AEA12 R28
AEA11 T25
TYPE
O/Z IPD
O/Z IPD
(1)
(2)
IPD/IPU
EMIFA (64-BIT) - ADDRESS
Controls initialization of the DSP modes at reset ( I) via pullup/pulldown resistors [For more detailed information, see Section 3 , Device Configuration.] Note: If a configuration pin must be routed out from the device, the internal pullup/pulldown (IPU/IPD) resistor should not be relied upon; TI recommends the use of an external pullup/pulldown resistor.
Boot mode - device boot mode configurations (BOOTMODE[3:0]) [ Note: the peripheral must be enabled to use the particular boot mode.]
AEA[19:16]: 0000 - No boot (default mode) 0001 - Host boot (HPI) 0010 -Reserved 0011 - Reserved 0100 - EMIFA 8-bit ROM boot 0101 - Master I2C boot 0110 - Slave I2C boot 0111 - Host boot (PCI) 1000 thru 1111 - Reserved For more detailed information on the boot modes, see Section 2.4 , Boot Sequence. CFGGP[2:0] pins must be set to 000b during reset for proper operation of the PCI boot mode.
EMIFA input clock source select Clock mode select for EMIFA (AECLKIN_SEL)
AEA15: 0 - AECLKIN (default mode) 1 - SYSCLK4 (CPU/x) Clock Rate. The SYSCLK4 clock rate is software selectable via the Software PLL1 Controller. By default, SYSCLK4 is selected as CPU/8 clock rate.
HPI peripheral bus width (HPI_WIDTH) select [Applies only when HPI is enabled; PCI_EN pin = 0]
AEA14: 0 - HPI operates as an HPI16 (default). (HPI bus is 16 bits wide. HD[15:0] pins are used and the remaining HD[31:16] pins are reserved pins in the Hi-Z state.) 1 - HPI operates as an HPI32.
Device Endian mode (LENDIAN) AEA13:
0 - System operates in Big Endian mode 1 - System operates in Little Endian mode(default)
Note: For proper C6454 device operation, the AEA12 and AEA11 pins must be externally pulled down with a 1-k resistor at device reset.
DESCRIPTION
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Fixed-Point Digital Signal Processor
Table 2-3. Terminal Functions (continued)
SIGNAL
NAME NO.
AEA10/MACSEL1 M25 AEA9/MACSEL0 M27 AEA8/PCI_EEAI P25 AEA7 N27 AEA6/PCI66 U27 AEA5/MCBSP1_EN U28 AEA4/ [RGMII interface requires a 1.8 V or 1.5 V I/O supply]
SYSCLKOUT_EN AEA3 T27 AEA2/CFGGP2 T26 AEA1/CFGGP1 U26
AEA0/CFGGP0 U25
T28
TYPE
O/Z IPD
(1)
(2)
IPD/IPU
EMAC/MDIO interface select bits (MACSEL[1:0]) There are two configuration pins MACSEL[1:0] to select the EMAC/MDIO interface. AEA[10:9]: MACSEL[1:0]
00 - 10/100 EMAC/MDIO MII Mode Interface (default) 01 - 10/100 EMAC/MDIO RMII Mode Interface 10 - 10/100/1000 EMAC/MDIO GMII Mode Interface 11 - 10/100/1000 with RGMII Mode Interface
PCI I2C EEPROM Auto-Initialization (PCI_EEAI) AEA8: PCI auto-initialization via external I2C EEPROM
If the PCI peripheral is disabled (PCI_EN pin = 0), this pin must not be pulled up. 0 - PCI auto-initialization through I2C EEPROM is disabled (default). 1 - PCI auto-initialization through I2C EEPROM is enabled.
PCI Frequency Selection (PCI66) [The PCI peripheral needs be enabled (PCI_EN = 1) to use this function] Selects the PCI operating frequency of 66 MHz or 33 MHz PCI operating frequency is selected at reset via the pullup/pulldown resistor on the PCI66 pin:
AEA6: 0 - PCI operates at 33 MHz (default). 1 - PCI operates at 66 MHz. Note: If the PCI peripheral is disabled (PCI_EN = 0), this pin must not be pulled up.
McBSP1 Enable bit (MCBSP1_EN) Selects which function is enabled on the McBSP1/GPIO muxed pins
AEA5: 0 - GPIO pin functions enabled (default). 1 - McBSP1 pin functions enabled.
SYSCLKOUT Enable bit (SYSCLKOUT_EN) Selects which function is enabled on the SYSCLK4/GP[1] muxed pin
AEA4: 0 - GP[1] pin function of the SYSCLK4/GP[1] pin enabled (default). 1 - SYSCLK4 pin function of the SYSCLK4/GP[1] pin enabled.
Configuration GPI (CFGGP[2:0]) ( AEA[2:0]) These pins are latched during reset and their values are shown in the DEVSTAT register. These values can be used by software routines for boot operations.
AEA3: For proper C6454 device operation, the AEA3 pin must be pulled down to V with a 1-k resistor at device reset.
DESCRIPTION
TMS320C6454
SS
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TMS320C6454 Fixed-Point Digital Signal Processor
SIGNAL
NAME NO.
AED63 F25 AED62 A27 AED61 C27 AED60 C28 AED59 E27 AED58 D28 AED57 D27 AED56 F27 AED55 G25 AED54 G26 AED53 A28 AED52 F28 AED51 B28 AED50 G27 AED49 B27 AED48 G28 AED47 H25 AED46 J26 AED45 H26 AED44 J27 AED43 H27 AED42 J28 AED41 C29 AED40 J29 AED39 D29 AED38 J25 AED37 F29 AED36 F26 AED35 G29 AED34 K28 AED33 K25 AED32 K27 AED31 AA27 AED30 AG29 AED29 AB29 AED28 AC27 AED27 AB28 AED26 AC26 AED25 AB27 AED24 AC25 AED23 AB26 AED22 AD28
Table 2-3. Terminal Functions (continued)
(1)
TYPE
I/O/Z IPU EMIFA external data
(2)
IPD/IPU
EMIFA (64-BIT) - DATA
DESCRIPTION
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