摘要
结合电话远程采集灌区水位／ 流量的研究课题， 系统地介绍了采用８９Ｃ５１ 与通用异步收发器８２５０ 接口和控制智能ＭＯＤＥＭ 以实现单片机与ＰＣ机在有线公共电话网中进行远程数据通信技术。
This paper is based on research project about irrigation district water line & water flux by telephone remote acquisition ,by the numbers introduce technique of interface about 89C51 & 8250 ,and control intelligent MODEM implement remote data communications between singlechip and PC by the PSTN .
出处
《计算机自动测量与控制》
CSCD
1999年第4期30-32,36,共4页
Computer Automated Measurement & Control
关键词
数据通信
单片机
PC机
电话
asynchronism transceiver
MODEM
serial communication
