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82C55: 产品描述cmos programmable peripheral interface; 文件大小192KB，共26页; 制造商Toshiba(东芝); 官网地址http://toshiba-semicon-storage.com/

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82C55概述

cmos programmable peripheral interface

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E2O0020-27-X3

¡ Semiconductor

MSM82C55A-2RS/GS/VJS

¡ Semiconductor

CMOS PROGRAMMABLE PERIPHERAL INTERFACE

This version: Jan. 1998

MSM82C55A-2RS/GS/VJS

Previous version: Aug. 1996

GENERAL DESCRIPTION

The MSM82C55A-2 is a programmable universal I/O interface device which operates as high

speed and on low power consumption due to 3m silicon gate CMOS technology. It is the best

fit as an I/O port in a system which employs the 8-bit parallel processing MSM80C85AH CPU.

This device has 24-bit I/O pins equivalent to three 8-bit I/O ports and all inputs/outputs are

TTL interface compatible.

FEATURES

• High speed and low power consumption due to 3m silicon gate CMOS technology

• 3 V to 6 V single power supply

• Full static operation

• Programmable 24-bit I/O ports

• Bidirectional bus operation (Port A)

• Bit set/reset function (Port C)

• TTL compatible

• Compatible with 8255A-5

• 40-pin Plastic DIP (DIP40-P-600-2.54): (Product name: MSM82C55A-2RS)

• 44-pin Plastic QFJ (QFJ44-P-S650-1.27): (Product name: MSM82C55A-2VJS)

• 44-pin Plastic QFP (QFP44-P-910-0.80-2K): (Product name: MSM82C55A-2GS-2K)

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