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SPRS079E – OCTOBER 1998 – REVISED AUGUST 2000
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Advanced Multibus Architecture With Three
Separate 16-Bit Data Memory Buses and
One Program Memory Bus

40-Bit Arithmetic Logic Unit (ALU),
Including a 40-Bit Barrel Shifter and Two
Independent 40-Bit Accumulators

17-
 
×
17-Bit Parallel Multiplier Coupled to a
40-Bit Dedicated Adder for Non-Pipelined
Single-Cycle Multiply/Accumulate (MAC)
Operation

Compare, Select, and Store Unit (CSSU) for
the Add/Compare Selection of the Viterbi
Operator

Exponent Encoder to Compute an
Exponent Value of a 40-Bit Accumulator
Value in a Single Cycle

Two Address Generators With Eight
Auxiliary Registers and Two Auxiliary
Register Arithmetic Units (ARAUs)

Data Bus With a Bus-Holder Feature

Extended Addressing Mode for 1M 
×
 16-Bit
Maximum Addressable External Program
Space

4K x 16-Bit On-Chip ROM

16K x 16-Bit Dual-Access On-Chip RAM

Single-Instruction-Repeat and
Block-Repeat Operations for Program Code

Block-Memory-Move Instructions for
Efficient Program and Data Management

Instructions With a 32-Bit Long Word
Operand

Instructions With Two- or Three-Operand
Reads

Arithmetic Instructions With Parallel Store
and Parallel Load

Conditional Store Instructions

Fast Return From Interrupt

On-Chip Peripherals
–  Software-Programmable Wait-State
Generator and Programmable Bank
Switching
–  On-Chip Phase-Locked Loop (PLL) Clock
Generator With Internal Oscillator or
External Clock Source
–  Two Multichannel Buffered Serial Ports
(McBSPs)
–  Enhanced 8-Bit Parallel Host-Port
Interface (HPI8)
–  Two 16-Bit Timers
–  Six-Channel Direct Memory Access
(DMA) Controller

Power Consumption Control With IDLE1,
IDLE2, and IDLE3 Instructions With
Power-Down Modes

CLKOUT Off Control to Disable CLKOUT

On-Chip Scan-Based Emulation Logic,
IEEE Std 1149.1
 (JTAG) Boundary Scan
Logic

10-ns Single-Cycle Fixed-Point Instruction
Execution Time (100 MIPS) for 3.3-V Power
Supply (1.8-V Core)

Available in a 144-Pin Plastic Low-Profile
Quad Flatpack (LQFP) (PGE Suffix) and a
144-Pin Ball Grid Array (BGA) (GGU Suffix)
     
NOTE:This data sheet is designed to be used in conjunction with the 
TMS320C5000 DSP Family Functional Overview
(literature number SPRU307).
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 
 2000, Texas Instruments Incorporated
† IEEE Standard 1149.1-1990 Standard-Test-Access Port and Boundary Scan Architecture.
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