摘要
介绍新型单片调制解调芯片MSM75 12B以公用电话网实现远程数据通信技术 ,并以火灾远程报警仪为例介绍了 5 1系列单片机和该芯片的通信接口电路及相关软件实现 ,同时还简要介绍了用无线射频和专用通信线路方式实现数据通信的技术。指出了该芯片在工业控制、远程抄表。
The remote data communication technology implemented by using the new single chip modem MSM7512B through public telephone network is presented. With the remote fire alarming device as an example the communication interface circuit between 51 Series single chip computer and this chip is introduced. The related software implementation is also given. In addition, the data communication technology of using radio frequency and dedicated communication line are introduced briefly. The application prospects of this chip in process control, remote meter reading and home security areas are given.
出处
《自动化仪表》
CAS
北大核心
2002年第12期28-31,共4页
Process Automation Instrumentation
