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GENERAL DESCRIPTION

The Z893XX products are high-performance Digital Signal Processors (DSPs) with a modified Harvard-type architecture featuring separate program and data memory. The design has been optimized for processing power while minimizing silicon space.

FEATURES

■ 0°C to +70°C Standard Temperature Range

-40°C to +85°C Extended Temperature Range

■ 4.5- to 5.5-Volt Operating Range

DSP Core

■ 24 MIPS @ 24 MHz Maximum, 16-Bit Fixed Point DSP

■ 41.7 ns Minimum Instruction Cycle Time

■ Six-Level Hardware Stack

■ Six Register Address Pointers

■ Optimized Instruction Set (30 Instructions)

On-Board Peripherals

■ Dual 8/16-Bit CODEC Interface Capable of up to

10 Mbps

■ m-Law Compression Option

(Decompression is Performed in Software)

■ 16-Bit I/O Bus (Tri-Stated)

■ Three I/O Address Pins (Latched Outputs)

■ Wait-State Generator

■ Three Vectored Interrupts

■ 13-Bit General-Purpose Timer