摘要
本文介绍了一种基于RS-422串行通信接口的多机通信方案和软件设计方法。针对计算机与8051系列单片机串行口的通讯特点，设置计算机中通讯控制寄存器，使计算机满足单片机多机通讯的格式，实现了计算机和单片机的多机通讯。
This article describes one method that multi-equipment communication based on RS-422 serial communcation port. According to the characteristic of communication between computer and the serial port of 8051 SCM, setting communication control register in computer, satisfying the format of multi-equipment communication in SCM, and achieving multi-equipment communications of computer and SCM.
