摘要
本文介绍了由单片调制解调芯片MSM7512B、DTMF芯片MT8888C和单片机组成的MODEM通信模块在远程监测系统中的应用。文章首先介绍了通信模块的应用背景及与PSTN的连接方式,然后对通信模块的硬件、软件实现进行了较为详细的阐述。
This paper introduces application of internal modem module in remote measur-ing system.The modem module is composed with modem chip MSM7512B,DTMF chip MT8888C and MCU.First we introduce the background of the application and the con-nection method with PSTN,then we discuss the design and realizition of the software and hardware in detail.
出处
《电测与仪表》
北大核心
2002年第9期30-33,共4页
Electrical Measurement & Instrumentation
