单片机多口通信的设计方案

Multi-interface Communication Planning Program for Single Chip Microcomputer

提出了解决多口通信的设计方案,采用单片机(AT89C2051)实现与地面监控计算机(主机)、地面气压仪及调制解调器等设备之间数据通信。给出了硬件连接电路,介绍了各主要器件的功能和程序设计。

The paper introduces the multiinterface comunication program by using single chip microcomputer (AT89C2051) to realize data communications with equipment such as the ground monitoring computer (mainframe), ground air pressure gauge and modem. The hardware junction circuit is given and the functions and the program design of main devices are introduced.