微机原理与接口技术，接口实验，使用汇编语言，包括竞赛抢答器、交通灯控制实验、可编程定时器计数器8254、继电器控制、存储器读写-Microcomputer Principle and interface technology, interface experiments, the use of assembly language, including contests Responder, traffic light control experiments, programmable timer