微机接口与原理技术课程设计——声光报警系统的实现——使用C语言编程-Computer interface technology with the principles of curriculum design- sound and light warning system- the use of C language programming

接口技术实验报告1 实验名称： 定时器/计数器 实验目的⒈　学会8253芯片与微机接口的的原理与方法。⒉.　掌握8253定时器/计数器的工作方式与编程与开发原理。(WORD文档) -Interface Technology Report 1: timer/counter 8253 chip microcomputer interface principles and methods of experimental purpose ⒈ Society. ⒉. Grasp the princip