摘要
采用SN75LBC184来实现RS232C与RS485串行口的转换,从而使PC机具备主从式多机通讯功能,实现对多个单片机组成数据采集终端的通讯与管理.约定一种简单和有效的串口通讯协议,根据这种通讯协议设计出单片机与PC机串口通讯程序.
SN75LBC184 is used to realize the switch of RS232 and RS485 so that the personal computer has multicommunication functions. A simple and available communication protocol, According to this protocol, the serial communication programme between personal computer and single chip computer is designed.
出处
《湖南工程学院学报（自然科学版）》
2007年第2期19-23,共5页
Journal of Hunan Institute of Engineering(Natural Science Edition)
