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GENERAL DESCRIPTION

The Z89C00 is a second generation, 16-bit, fractional, two’s complement CMOS Digital Signal Processor (DSP). Most instructions, including multiply and accumulate, are accomplished in a single clock cycle. The processor contains 1 Kbyte of on-chip data RAM (two blocks of 256 16-bit words), 4K words of program ROM and 64K words of program memory addressing capability.

FEATURES

■ 16-Bit Single Cycle Instructions

■ Zero Overhead Hardware Looping

■ 16-Bit Data

■ Ready Control for Slow Peripherals

■ Single Cycle Multiply/Accumulate (100 ns)

■ Six-Level Stack

■ 512 Words of On-Chip RAM

■ Static Single-Cycle Operation

■ 16-Bit I/O Port

■ 4K Words of On-Chip Masked ROM

■ Three Vectored Interrupts

■ 64K Words of External Program Address Space

■ Two Conditional Branch Inputs/Two User Outputs

■ 24-Bit ALU, Accumulator and Shifter

■ IBM? PC Development Tools