基于Modem和单片机的远程数据监测系统的设计

Design of Remote Communication System Based on Modem and Single Chip Computer

介绍了如何用 AT89C5 2单片机控制调制解调器件 MSM75 12 ,通过电话线传输数据 ,并给出了硬件原理图及部分程序清单。

This paper introduces how to use a single chip computer AT89C52 to control a Modem MSM7512 to implement the datatransfer through PSTN. The hardware diagram and part of the program list are also given.