80C552单片机与586计算机的串行通信接口

Communication interface between 80C552 microcontroller and 586 personal computer.

利用 8 0C552全双工串行口SIO0 ,通过电平变化可以把它与目前最常用的RS— 2 32进行接口 ,利用此接口可以使由 80C552为中央处理器的便携式仪器或智能仪器具有数据回放功能和网络数据传送功能。文章介绍了80C552与 586微机的RS— 2 32C串行通信接口的硬件接口方法和实用的通信程序。其中 586的通信程序是用BA SIC语言编写 ,可移植性好 ,通用性强。 80C552的通信程序由汇编语言编写 ,程序执行速度快。两部分程序多次运行传送数据都准确无误 ,具有很强的实用价值。

C552 microcontroller has a full duplex series interface SIO0. The specical interface can be interfaced with RS-232C by varying voltage. Portable or intelligent instruments used 80C552 as central processor have data readback and network data transmission functions. The interface method between 80C552 and 586 computer is introduced,and the two part software programs are designed in this paper. The two programs are good practice.