5962-9205803MXA

数字信号处理器 DIGITAL SIGNAL PROCESSORS

description

The SMJ320C31, SMJ320LC31, and SMQ320LC31 digital signal processors DSPs are 32-bit, floating-point processors manufactured in 0.6-µm triple-level-metal CMOS technology. The devices are part of the SMJ320C3x generation of DSPs from Texas Instruments.

Processed to MIL-PRF-38535 QML

Operating Temperature Ranges:

  − Military M −55°C to 125°C

  − Special S −55°C to 105°C

SMD Approval

High-Performance Floating-Point Digital Signal Processor DSP:

  − SMJ320C31-60 5 V

    33-ns Instruction Cycle Time

    330 Million Operations Per Second

    MOPS, 60 Million Floating-Point

    Operations Per Second MFLOPS,

    30 Million Instructions Per SecondMIPS

− SMJ320C31-50 5 V

   40-ns Instruction Cycle Time 275 MOPS, 50 MFLOPS, 25 MIPS

− SMJ320C31-40 5 V

   50-ns Instruction Cycle Time 220 MOPS, 40 MFLOPS, 20 MIPS

− SMJ320LC31-40 3.3 V

   50-ns Instruction Cycle Time 220 MOPS, 40 MFLOPS, 20 MIPS

− SMQ320LC31-40 3.3 V

   50-ns Instruction Cycle Time 220 MOPS, 40 MFLOPS, 20 MIPS

32-Bit High-Performance CPU

16- /32-Bit Integer and 32- /40-Bit Floating-Point Operations

32-Bit Instruction and Data Words, 24-Bit Addresses

Two 1K Word ×32-Bit Single-Cycle Dual-Access On-Chip RAM Blocks

Boot-Program Loader

64-Word ×32-Bit Instruction Cache

Eight Extended-Precision Registers

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

Two Low-Power Modes

On-Chip Memory-Mapped Peripherals:

− One Serial Port Supporting 8- /16- /24- /32-Bit Transfers

− Two 32-Bit Timers

− One-Channel Direct Memory Access DMA Coprocessor for Concurrent I/O and CPU Operation

Fabricated Using Enhanced Performance Implanted CMOS EPICTechnology by Texas Instruments

Two- and Three-Operand Instructions

40 / 32-Bit Floating-Point /Integer Multiplier and Arithmetic Logic Unit ALU

Parallel ALU and Multiplier Execution in a Single Cycle

Block-Repeat Capability

Zero-Overhead Loops With Single-Cycle Branches

Conditional Calls and Returns

Interlocked Instructions for Multiprocessing Support

Bus-Control Registers Configure Strobe-Control Wait-State Generation

Validated Ada Compiler

Integer, Floating-Point, and Logical Operations

32-Bit Barrel Shifter

One 32-Bit Data Bus 24-Bit Address

Packaging

− 132-Lead Ceramic Quad Flatpack With Nonconductive Tie-Bar HFG Suffix

− 141-Pin Ceramic Staggered Pin Grid- Array Package GFA Suffix

− 132-Lead TAB Frame

− 132-Lead Plastic Quad Flatpack PQ Suffix