TS68882 - ATMEL Corporation

TS68882 CMOS Enhanced Floating-point Co-processor

The TS68882 enhanced floating-point co-processor is a full implementation of the IEEE Standard for Binary Floating-Point Arithmetic (754) for use with the THOMSON TS68000 Family of microprocessors. It is a pin and software compatible upgrade of the TS68881 with optimized MPU interface that provides over 1.5 times the performance of the TS68881. It is impleme.

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 Contro.