一个不错的AD教程，希望大家能够一起学习讨论一下，可以相互请教，-AD a good tutorial, I hope that we can learn together to talk about, you can ask each other,

2812开发教程之--模数转换单元AD的使用说明及校正方法。-Development of 2812 Guide- analog-digital conversion unit of the use of AD and the correction method.