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本文在介绍MCS—51单片机串行接口的多机通讯原理和分析IBM-PC 异步通讯适配器结构及特点的基础上,给出两种近程主从式IBM-PC 与多MCS-51单片机的串行通讯程序的设计方法。
Based on the principle of multi-machine communication of MCS-51 serial interface and the structure and characteristics of IBM-PC asynchronous communication adapter, this paper gives two kinds of short-range master-slave IBM-PC and MCS-51 single-chip serial Design method of communication program.