It is analyzed that the usual problem in multi computer serial communication protocol between PC and single chip microcomputer, put forward that a kind of communication protocol strategy.
通过对PC机与单片机多机串行通信协议中常见问题进行分析，提出了一种通信协议的制定策略。
Multi serial port communication is a kind of special application in single chip computer.
单片机多串口通讯是一类较为特殊的应用。
In this paper, hardware theory and software programs of realizing Multi Computer communication application of 232 serial port are given.
本文给出了232串口实现多机通讯的硬件原理及软件编程。
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