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參數(shù)資料
| 型號： | 951200201 |
| 廠商： | ATMEL CORP |
| 元件分類： | 數(shù)字信號處理外設 |
| 英文描述： | 40-BIT, DSP-FLOATING POINT PROCESSOR, QFP256 |
| 封裝： | MQFP-256 |
| 文件頁數(shù)： | 1/50頁 |
| 文件大?。?/td> | 702K |
| 代理商： | 951200201 |
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Rev. 4153I-AERO–04/07
1
Features
Superscalar IEEE Floating-Point-Processor
Off-Chip Harvard Architecture Maximizes Signal Processing Performance
50 ns, 20 MIPS Instruction Rate, Single Cycle Execution
60 MFLOPS Peak, 40 MFLOPS Sustained Performance
1024-Point Complex FFT Benchmark: 0.975 ms
Divide (y/x): 300 ns
Inverse Square Root (1/ /x): 450 ns
32-bit Single-Precision and 40-bit Extended-Precision IEEE Floating-Point Data
Formats
32-bit Fixed-Point Formats, Integer and Fractional, with 80-bit Accumulators
IEEE Exception Handling with Interrupt on Exception
Three Independent Computation Units: Multiplier, ALU, and Barrel Shifter
Dual Data Address Generators with Indirect, Immediate, Modulo, and Bit Reverse
Addressing Modes
Two Off-Chip Memory Transfers in Parallel with Instruction Fetch and Single-Cycle
Multiply and ALU Operations
Multiply with Add and Subtract for FFT Butterfly Computation
Efficient Program Sequencing with Zero Overhead Looping: Single-Cycle Loop Setup
Single-Cycle Register File Context Switch
23ns External RAM Access Time for Zero-Wait-State, 40 ns Instruction Execution
IEEE JTAG Standard 1149.1 Test Access Port and On-chip Emulation Circuitry
223 CPGA package for breadboarding
256 Multi-layer Quad Flat Pack, Flat Leads, For Flight Models
Fully compatible with Analog Devices ADSP-21020
No Single Event Latch-up below a LET Threshold of 80 MeV/mg/cm2
Tested up to a Total Dose of 100 krads (Si) according to MIL STD 883 Method 1019
SEU Error Note in GEO Orbit Better than 5E-7 Error/Device/Day (worst case)
For 25 MHz Specification, Contact Atmel for Availability
Quality Grades - ESCC with 9512/002 and QML-Q or V with 5962-99539
Introduction
Atmel is manufacturing a radiation hard version of the Analog Devices ADSP-21020
32/40-bit Floating-Point DSP.
The product is pin and code compatible with ADI product, making system develop-
ment straight forward and cost effective, using existing development tools and
algorithms.
Notes:
1. Design using patent from INPG-CNRS Denis BESSOT/Raoul VELAZCO
2. Product licensed from Analog Devices Inc.
Rad. Hard
32/40-bit IEEE
Floating Point
DSP
TSC21020F
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