The 80C187 Math Coprocessor provides arithmetic instructions for a variety of numeric data types It also executes numerous built-in transcendental functions (e g tangent sine cosine and log functions) The 80C187 effectively extends the register and instruction set of the 80C186 CPU for existing data
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80C187 80-BIT MATH COPROCESSOR
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High Performance 80-Bit Internal Architecture Implements ANSI IEEE Standard 7541985 for Binary Floating-Point Arithmetic Upward Object-Code Compatible from 8087 Fully Compatible with 387DX and 387SX Math Coprocessors Implements all 387 Architectural Enhancements over 8087 Directly Interfaces with 80C186 CPU 80C186 80C187 Provide a Software Binary Compatible Upgrade from 80186 82188 8087 Systems
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Expands 80C186’s Data Types to Include 32- 64- 80-Bit Floating-Point 32- 64-Bit Integers and 18-Digit BCD Operands Directly Extends 80C186’s Instruction Set to Trigonometric Logarithmic Exponential and Arithmetic Instructions for All Data Types Full-Range Transcendental Operations for SINE COSINE TANGENT ARCTANGENT and LOGARITHM Built-In Exception Handling Ei
80C187 Datasheet
