微机交通灯模拟

Computer simulation of traffic lights

以8086系统为背景,为了研究并行通信的概念,为了研究I\O数字接口芯片,并且掌握可编程接口芯片的应用,采用实验法以及用汇编语言编程的方法,通过微机原理中的交通灯模拟实验,理解并掌握了可编程定时器8253芯片以及可编程并行接口8255芯片的初始化程序,掌握8255芯片和8253芯片的编程原理,掌握8255可编程接口电路的设计应用基本方法,初步掌握危机并行接口的综合设计应用方法。

With 8086 system as the background, in order to study the concept of parallel communication, in order to study the I/0 digital interface chi, and master the application of the programmable interface chip, the experimental method and the use of assembly language programming method, through the microcomputer principle of traffic simulation, understand and master the programmable timer 8255 chip and programmable parallel interface 8255 chip initialization procedure, master 8255 chip and 8253 chip programming principle, master 8255 programmable interface circuit, the design and application of basic methods have been crisis parallel interface of the integrated design application methods.