摘要
介绍一种基于电话网且采用MT8888作DTMF信号的收发器件的报警系统 ,文中给出了MT8888与电话线的接口电路及软件流程图。
This paper provides a warning system, it use DTMF signal of telephone and MT8888 as a monolithic DTMF transceiver with call progress. It also gives the hardware and software flow chart of the system.
出处
《仪表技术》
2003年第3期16-17,共2页
Instrumentation Technology
