80C187 - 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 types and adds several new data types as well Figure 2 show.

Features

231369) Y Y Y Y Y Y Y Y Y The Intel 80C187 is a high-performance math coprocessor that extends the architecture of the 80C186 with floating-point extended integer and BCD data types A computing system that includes the 80C187 fully conforms to the IEEE Floating-Point Standard The 80C187 adds over seventy mnemonics to the instruction set of the 80C186 including support for arithmetic logarithmic exponential and trigonometric mathematical operations The 80C187 is implemented with 1 5 micron high-speed CHMOS III technology and packaged in both a 40-pin CERDIP and a 44-pin PLCC package Th.