80C187 Datasheet - Intel Corporation

80C187 80-BIT MATH COPROCESSOR

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.

80C187 80-BIT MATH COPROCESSOR Y 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 Y Y Expands 80C186’s Data Types to Include 32- 64- 80-Bit Floatin.

80C187_IntelCorporation.pdf