一．设计目的：

1. 理解掌握定时/计数器和中断的使用方法。

2. 掌握微机常用的输入输出方式及接口技术。

3. 掌握一定的汇编语言知识，培养自己的动手操作能力。

4. 学习程序设计的基本思路和方法。

-1. Designed to: 1. To understand and grasp the timer/counter and interrupt use. 2. Grasp common computer input and output method and interface technology. 3. Acquire a certain amount of assembly language knowledge, develop their own capacity to do the operation. 4. Learning program design the basic ideas and methods.