Development of a Kind of Multichannel Data Transmitter and Receiver Based on Single-chip Microcomputer

A kind of multichannel serial data transmitter and receiver based on single-chip microcompu-(ter) was introduced, which not only has the same function as multichannel serial data card and has pretreatment function for frontend signal, but also can display some important information of the system and check out troubles of the system. The multichannel serial data transmitter and receiver is working well in dispatching and supervision system for railway in Zhengzhou Coal Corp.