微机与单片机通讯接口电路

Communication Interface Circuit for Microcomputer and Single Chip Microcomputer

摘要: 介绍了几种实用的微机与单片机联网的通讯接口电路，提出了一种采用ＲＳ－４２２的通讯接口电路，其结构简单，可以方便、可靠、长距离实现多点通信
- 数据传输接口应用RS－422
Abstract: After introducing several practical communication interface circuits for microcomputer and single chip microcomputer networking, the author put forward a communication interface circuit utiliazing RS-422 which is simple in structure and can implement long-distance multi-point communication conveniently and reliably.
- data transmission interface application RS-422