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TMS320C6455_07 Datasheet, PDF (1/250 Pages) Texas Instruments – Fixed-Point Digital Signal Processor
1 Features
• High-Performance Fixed-Point DSP (C6455)
– 1.39-, 1.17, 1-, and 0.83-ns Instruction Cycle
Time
– 720-MHz, 850-MHz, 1-GHz, and 1.2-GHz
Clock Rate
– Eight 32-Bit Instructions/Cycle
– 9600 MIPS/MMACS (16-Bits)
– Commercial Temperature [0°C to 90°C]
– Extended Temperature [-40°C to 105°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]
– 16M-Bit (2096K-Byte) L2 Unified Mapped
RAM/Cache [Flexible Allocation]
– 256K-Bit (32K-Byte) L2 ROM
– Time Stamp Counter
• Enhanced VCP2
– Supports Over 694 7.95-Kbps AMR
– Programmable Code Parameters
• Enhanced Turbo Decoder Coprocessor (TCP2)
– Supports up to Eight 2-Mbps 3GPP
(6 Iterations)
– Programmable Turbo Code and Decoding
Parameters
• Endianess: Little Endian, Big Endian
• 64-Bit External Memory Interface (EMIFA)
– Glueless Interface to Asynchronous
Memories (SRAM, Flash, and EEPROM) and
Synchronous Memories (SBSRAM, ZBT
SRAM)
– Supports Interface to Standard Sync
Devices and Custom Logic (FPGA, CPLD,
ASICs, etc.)
– 32M-Byte Total Addressable External
Memory Space
TMS320C6455
Fixed-Point Digital Signal Processor
SPRS276H – MAY 2005 – REVISED OCTOBER 2007
• Four 1x Serial RapidIO® Links (or One 4x),
v1.2 Compliant
– 1.25-, 2.5-, 3.125-Gbps Link Rates
– Message Passing, DirectIO Support, Error
Management Extensions, and Congestion
Control
– IEEE 1149.6 Compliant I/Os
• DDR2 Memory Controller
– Interfaces to DDR2-533 SDRAM
– 32-Bit/16-Bit, 533-MHz (data rate) Bus
– 512M-Byte Total Addressable External
Memory Space
• 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 Local Bus Specification
(version 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
• UTOPIA
– UTOPIA Level 2 Slave ATM Controller
– 8-Bit Transmit and Receive Operations up
to 50 MHz per Direction
– User-Defined Cell Format up to 64 Bytes
• 16 General-Purpose I/O (GPIO) Pins
• System PLL and PLL Controller
• Secondary PLL and PLL Controller, Dedicated
to EMAC and DDR2 Memory Controller
• Advanced Event Triggering (AET) Compatible
• Trace-Enabled Device
• 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-μm/7-Level Cu Metal Process (CMOS)
• 3.3-/1.8-/1.5-/1.25-/1.2-V I/Os, 1.25-/1.2-V
Internal
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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