TMS320C6455_V01中文资料德州仪器数据手册PDF规格书

1 Features

12

• High-Performance Fixed-Point DSP (C6455)

– 1.39-, 1.17-, 1-, 0.83-ns Instruction Cycle

Time

– 720-MHz, 850-MHz, 1-GHz, 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 (2048K-Byte) L2 Unified Mapped

RAM/Cache [Flexible Allocation]

– 256K-Bit (32K-Byte) L2 ROM

– Time Stamp Counter

• Enhanced Viterbi Decoder Coprocessor (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

• 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

Mgmt Extensions, 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 (v2.3)

• 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

(CTZ, GTZ, or ZTZ 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