IBM/PC微机接口的应用技术

The Application Technique of IBM/PC Microcomputer Interface

本文介绍由IBM/PC微机及接口组成的数据采集微饥系统的I/O地址译码通用电路、数据输入/输出(DI/DO)接口、磁带机(MT)接口的电路组成及工作原理,并介绍了DI/DO的查询及中断子程序。

This article introduces the circuit composi tion and work principle of general I/O address decoding circuit, data input/output (DI/DO) Interface and magnetic tape unit (MT) interface of the data acqursition microcomputer system which is made up of IBM/PC microcomputer and interfaces, introduces DI/DO inquiry and interrupt subprogram.