摘要
详细地介绍了一种由MSM7512B、TCM50 87及单片机构成的基于电话网络的远程信息交换控制系统 ,给出了系统总体框图、调制解调电路、拨号电路、摘 /挂机电路以及振铃检测等电路和通信的软件模块 ,通过一个典型的应用实例 ,验证了该系统的有效性和实用性。
A control system of remote information exchange including MSM7512B、TCM5087 and microcontroller is presented in detail.System diagram,modem circuit,dial up circuit,hangup circuit,ring detecting circuit and communication program model are provided.Through a typical application example,the validity and practicability of the system are verified.
出处
《测控技术》
CSCD
2000年第12期55-57,共3页
Measurement & Control Technology
