简单I/O口扩展实验的改进

The Improvement of The Expanded Experiments on The Simple I/O Opening

本文通过对89系列单片机产品AT89C2051芯片备引脚功能的阐述,详细地介绍了简单I/O口扩展实验的改进办法,并给出了具体的实验程序。

This paper introduces the methods of the improvement of the expanded experiments on the simple I/0 opening through the explanations of all the pin functions of the Single Chip Processor-AT89C2051 Series-89, The paper also points out the concrete experimental program.