GENERAL DESCRIPTION

The ICSI IC80C54 and IC80C58 are high-performance microcontroller fabricated using high-density CMOS technology. The CMOS IC80C54/58 is functionally compatible with the industry standard 80C52/32 microcontrollers.

FEATURES

• 80C52 based architecture

• 16K x 8 ROM (80C54) 32K x 8 ROM (80C58)

• 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

– Lock bits (2)

• Power save modes:

– Idle and power-down

• Eight interrupt sources

• Most instructions execute in 0.3 µs

• CMOS and TTL compatible

• Maximum speed: 40 MHz @ Vcc = 5V

• Packages available:

– 40-pin DIP

– 44-pin PLCC

– 44-pin PQFP