Datasheet > TSC21020F-20SBP833

TSC21020F-20SBP833

更新时间： 2024-11-22 23:37:59

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DSP\|32-BIT\|CMOS\| RAD HARD\|QFL\|256PIN\|CERAMIC

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TSC21020F

Radiation Tolerant 32/40–Bit IEEE Floating–Point

DSP Microprocessor

Introduction

Atmel is manufacturing a radiation tolerant version of the The product is pin and code compatible with ADI

Analog Devices ADSP–21020 32/40–Bit Floating–Point product, making system development straight forward

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 Multiply with Add & Subtract for FFT Butterfly

Computation

D Efficient Program Sequencing with Zero-Overhead

D 50 ns, 20 MIPS Instruction Rate, Single-Cycle Execution

D 60 MFLOPS Peak, 40 MFLOPS Sustained Performance

D 1024-Point Complex FFT Benchmark : 0.975 ms

D Divide (y/x) : 300 ns

Looping : Single-Cycle Loop Setup

D Single-Cycle Register File Context Switch

D 23 ns External RAM Access Time for Zero-Wait-State, 40 ns

Instruction Execution

D Inverse Square Root (1/√x) : 450 ns

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

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

Emulation Circuitry

IEEE Floating-Point Data Formats

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 immune

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 Dual Data Address Generators with Indirect, Immediate,

Modulo, and Bit Reverse Addressing Modes

D Two Off-Chip Memory Transfers in Parallel with Instruction

Fetch and Single-Cycle Multiply & ALU Operations

D Total dose better than 100 Krad (Si)

D SEU immunity better than 50 MeV/mg/cm²

D For 25 MHz specification, call factory

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

– Product licensed from Analog Devices Inc.

Rev. E – Oct. 05, 1998

12 3 4 5 6 7...37

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