Datasheet > TSC21020E-20SBP883

TSC21020E-20SBP883

更新时间： 2024-09-22 06:54:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		ATM 异步传输模式外围集成电路
页数	文件大小	规格书
37页	481K
描述
Digital Signal Processor, 32-Bit Size, CMOS, CQFP256,

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TSC21020E

Radiation Tolerant 32/40–Bit IEEE Floating–Point

DSP Microprocessor

Introduction

TEMIC Semiconductors is manufacturing a radiation The product is pin and code compatible with ADI

tolerant version of the Analog Devices ADSP–21020 product, making system development straight forward

32/40–Bit Floating–Point DSP.

and cost effective, using existing development tools and

algorithms.

Features

D Superscalar IEEE Floating-Point-Processor

D Off-Chip Harvard Architecture Maximizes Signal Processing

Performance

D Two Off-Chip Memory Transfers in Parallel with Instruction

Fetch and Single-Cycle Multiply & ALU Operations

D Multiply with Add & Subtract for FFT Butterfly

Computation

D 40 ns, 25 MIPS Instruction Rate, Single-Cycle Execution

D 75 MFLOPS Peak, 50 MFLOPS Sustained Performance

D 1024-Point Complex FFT Benchmark : 0.78 ms

D Divide (y/x) : 240 ns

D Efficient Program Sequencing with Zero-Overhead

Looping : Single-Cycle Loop Setup

D Single-Cycle Register File Context Switch

D 15 (or 25) ns External RAM Access Time for

Zero-Wait-State, 40 ns Instruction Execution

D IEEE JTAG Standard 1149.1 Test Access Port and On-Chip

Emulation Circuitry

D Inverse Square Root (1/√x) : 360 ns

D 32-Bit Single-Precision and 40-Bit Extended-Precision

IEEE Floating-Point Data Formats

D 32-Bit Fixed-Point Formats, Integer and Fractional, with

80-Bit Accumulators

D IEEE Exception Handling with Interrupt on Exception

D Three Independent Computation Units : Multiplier, ALU,

and Barrel Shifter

D 223 CPGA package for breadboarding

D 256 Multi layer quad flat pack, flat leads, for flight models

D Full compatible with Analog Devices ADSP-21020

D Latch up better than 55 MeV

D Dual Data Address Generators with Indirect, Immediate,

D Total dose better than 50 Krad (Si)

Modulo, and Bit Reverse Addressing Modes

D SEU immunity better than 30 MeV/mg/cm²

– Design using patent from INPG–CNRS Denis BESSOT / Raoul VELAZCO

– Product licensed from Analog Devices Inc.

MHS

Rev. D (05 Mai 98)

12 3 4 5 6 7...37

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