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GENERAL DESCRIPTION

The ICSI IC80C52 and IC80C32 are high-performance microcontroller fabricated using high-density CMOS technology. The CMOS IC80C52/32 is functionally compatible with is the industry standard 80C52/32 microcontrollers.

FEATURES

? 80C52 based architecture

? 8K x 8 ROM (IC80C52 only)

? 256 x 8 RAM

? Three 16-bit Timer/Counters

? Full duplex serial channel

? Boolean processor

? Four 8-bit I/O ports, 32 I/O lines

? Memory addressing capability

– 64K ROM and 64K RAM

? Program memory lock

– Encrypted verify (32 bytes)

– Lock bits (2)

? Power save modes:

– Idle and power-down

? Eight interrupt sources

? Most instructions execute in 0.3 ?s

? CMOS and TTL compatible

? Maximum speed: 40 MHz @ Vcc = 5V

? Packages available:

– 40-pin DIP

– 44-pin PLCC

– 44-pin PQFP