远程终端中通信控制卡的设计与实现

Design and Realization of Communication Control Card in the Telecommunication Terminal

介绍了一种多台单片机与PC机通信的方法 ,给出了通过一块通信控制卡来实现与多台单片机的实时通信 ,并将数据上传给上位机以提高通信可靠性和效率的设计方法 ,同时给出了该通信控制卡的硬件接口电路和软件设计框图。

A sort of way which multi SCM communicate with PC is introduced. And through the design of the piece of communications control card, it can achieve the real time communications with multi SCM and transmit data to upper computer so as to communicating reliability and efficiency . Finally,the whole design diagram flow of hardware circuit and software are given.