Datasheet > TS8882VF20

TS8882VF20

更新时间： 2024-09-20 23:37:55

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
42页	1679K
描述

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中文翻译

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数据手册

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TS8882VF20 数据手册

Features

• Eight General Purpose Floating-point Data Registers, Each Supporting a Full 80-bit

Extended Precision Real Data Format (a 64-bit Mantissa Plus a Sign Bit, and a 15-bit

Signed Exponent)

• A 67-bit Arithmetic Unit to Allow Very Fast Calculations With Intermediate Are

Precision Greater Than the Extended Precision Format

• A 67-bit Barrel Shifter for High-speed Shifting Operations (for Normalizing etc.)

• Special Purpose Hardware for High-speed Conversion Between Single, Double, and

Extended Formats and the Internal Extended Format

• An Independent State Machine to Control Main Processor Communication for

Pipelined Instruction Processing

• Forty-six Instructions, Including 35 Arithmetic Operations

• Full Conformation to the IEEE 754 Standard, Including All Requirements and

Suggestions

• Support of Functions Not Defined by the IEEE Standard, Including a Full Set of

Trigonometric and Transcendental Functions

• Seven Data Type Types: Byte, Word and Long Integers; Single, Double, and Extended

Precision Real Numbers; and Packed Binary Coded Decimal String Real Numbers

• Twenty-two Constants Available In The On-chip ROM, Including π, e, and Powers of 10

• Virtual Memory / Machine Operations

CMOS

Enhanced

Floating-point

Coprocessor

• Efficient Mechanisms for Procedure Calls, Context Switches, and Interrupt Handling

• Fully Concurrent Instruction Execution with the Main Processor

• Fully Concurrent Instruction Execution of Multiple Floating-point Instructions

• Use with any host processor, on an 8-, 16- or 32-bit Data Bus

• Available in 16.67, 20, 25 and 33 MHz for T_cfrom -55°C to +125°C

• V_CC= 5V ± 10%

TS68882

Description

The TS 68882 enhanced floating-point coprocessor is a full implementation of the

IEEE Standard for Binary Floating-Point Arithmetic (754) for use with the THOMSON

TS 68000 Family of microprocessors. It is a pin and software compatible upgrade of

the TS 68881 with optimized MPU interface that provides over 1.5 times the perfor-

mance of the TS 68881. It is implemented using VLSI technology to give systems

designers the highest possible functionality in a physically small device.

Intended primarily for use as a coprocessor to the TS 68020/68030 32-bit micropro-

cessor units (MPUs), the TS 68882 provides a logical extension to the main MPU

integer data processing capabilities. It does this by providing a very high performance

floating-point arithmetic unit and a set of floating-point data registers that are utilized

in a manner that is analogous to the use of the integer data registers. The TS 68882

instruction set is a natural extension of all earlier members of the TS 68000 Family,

and supports all of the addressing modes of the host MPU. Due to the flexible bus

interface of the TS 68000 Family, the TS 68882 can be used with any of the MPU

devices of the TS 68000 Family, and it may also be used as a peripheral to non-TS

68000 processors.

Screening/Quality

This product could be manufactured

R suffix

PGA 68

Ceramic Pin Grid Array

F suffix

CQFP 68

Ceramic Quad Flat Pack

in full compliance with either:

•

MIL-STD-883 Class B

DESC 5962-89436

or According to ATMEL-

Grenoble Standards

Rev. 2119A–12/01

12 3 4 5 6 7...42

中文翻译

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与TS8882VF20相关器件

型号	品牌	获取价格	描述	数据表
TS88915T	ETC	获取价格	TS88915T [Updated 6/02. 19 Pages] Low Skew CMOS PLL Clock Driver. 3 state 70 and 100 MHZ v
TS88915TCRD/T100	ATMEL	获取价格	PLL Based Clock Driver, 7 True Output(s), 1 Inverted Output(s), CMOS, CPGA29, CERAMIC, PGA
TS88915TCRD/T70	ATMEL	获取价格	PLL Based Clock Driver, 7 True Output(s), 1 Inverted Output(s), CMOS, CPGA29, CERAMIC, PGA
TS88915TMR70	ATMEL	获取价格	PLL Based Clock Driver, 8 True Output(s), 0 Inverted Output(s), CMOS, CPGA29, CERAMIC, PGA
TS88915TMRB/T70	ATMEL	获取价格	PLL Based Clock Driver, 8 True Output(s), 0 Inverted Output(s), CMOS, CPGA29, CERAMIC, PGA
TS88915TMRD/T70	ATMEL	获取价格	PLL Based Clock Driver, 8 True Output(s), 0 Inverted Output(s), CMOS, CPGA29, CERAMIC, PGA
TS88915TMW100	ATMEL	获取价格	PLL Based Clock Driver, 8 True Output(s), 0 Inverted Output(s), CMOS, CQCC28, CERAMIC, LCC
TS88915TMW70	ATMEL	获取价格	PLL Based Clock Driver, 8 True Output(s), 0 Inverted Output(s), CMOS, CQCC28, CERAMIC, LCC
TS88915TMWB/T70	ATMEL	获取价格	PLL Based Clock Driver, 8 True Output(s), 0 Inverted Output(s), CMOS, CQCC28, CERAMIC, LCC
TS88915TMWD/T100	ATMEL	获取价格	PLL Based Clock Driver, 8 True Output(s), 0 Inverted Output(s), CMOS, CQCC28, CERAMIC, LCC

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