assembly lab8 presentation

将可调电位器产生的模拟量信号转换成数字信号，并在屏幕上以打点成曲线的方式显示出来。-Adjustable potentiometer to produce analog signals into digital signals, and packed into curve displayed on the screen.

A/D转换及显示实验 1．了解A/D转换的工作原理及编程。 2．学习A/D转换的各种方法，进一步学习8253、8255等芯片的应用。 -A/D converter and display of Experiment 1. Understand the A/D conversion works and programming. Two. Learning the method of A/D converter, and further study the application of