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.
作者
周学君
管新建
Zhou Xuejun;Guan Xinjian(Department of Electrical Engineering,Wuhan University of Water Resources and Electric Power(Yichang),443002)
关键词
单片机
PC总线
中断
并行通讯
single chip microcomputer
PC/XT bus
Interruption
parallel communication
