【摘要】 通过一个由IBM PC/386和8098单片机组成的高性能分布式检测控制系统,说明了用8255A实现主机与通讯控制器之间数据通信的方法。这种方法适合于在微机与单片机问进行短距离通信时使用,具有实用性强、可靠性高的特点。更多还原

【Abstract】 With an example of high performance distrihuted detection control system consisting of IBM PC/386 and 8098 single-chip microcomputer, a way of realization of data communication between main frame and communication controller with 8255 chips was described. This way is suitable for short distance communication and has a highly pragmatic and reliable feature.更多还原