摘要
提出基于８１５５ 芯片实现ＭＣＳ－ ５１ 单片机与ＰＣ／ＸＴ 微机之间８ 位并行双向中断通讯的方法－ 介绍其工作原理，给出了硬件及软件接口，在近距离通讯中实现了８ 位微机间数据的实时高速传递－
The methodology to realize 8-bit parallel bi-direction interruption communication between MCS-51 single chip microcomputer and PC/XT by using chip 8255, is propsed The principles for this methodology are described and interfaces for hardware and software have been given so that the realization of real-time data transmission at high speed can be achieved between 8-bit PCs in LAN communications
关键词
单片机
PC总线
中断
并行通讯
single chip microcomputer
PC/XT bus
Interruption
parallel communication
