二.实验目的



1.了解D/A转换的基本原理。



2.了解D/A转换芯片0832的性能及编程方法。



3.了解单片机系统中扩展D/A转换的基本方法。

-two. An experimental purposes. Understanding D / A conversion of the basic tenets. 2. Understanding D / A converter chip performance and the 0832 programming method. 3. Understanding SCM system expansion D / A conversion of the basic method.