摘要
介绍利用串行接口实现双机通信的硬件连接及软件设计。给出了异步串行通信发送程序及接收程序流程图，对典型子程序给出了流程图并作了简要说明。
A hardware Connection Scheme and software design for communicatrons between computersusing series interface are presented．The flow charts of transmission and receiving procedure ofasynchronous series communications are given，The flow charts of some typical subroutines also are given and briefty explained.
关键词
微机
接口
串行通信
软件
：Micro-computer Interface
Series communications
Software.
