可编程序控制器与可编程芯片的接口电路

Interface Circuit Made of a Programmable Controller and Programmable ICs

本文论述了可编程序控制器（ＰＬＣ）与可编程芯片８２Ｃ５５以及ＤＡＣ０８３２的接口电路、软件编程方法，阐述了可编程序控制器与接口芯片之间的数据交换的时序问题。

A kind of interface circuit made of a programmable controller, programmable 82C55 and DAC0832 and how to program the software are expounded. The question of data output time order and data exchange between the programmable controller and the programmable ICs are explained.