基于MAX517的串行DA转换，介绍了在51单片机系统中实现串行DA转换的方法，C语言编写。-MAX517 based serial DA conversion, introduced 51 single-chip microcomputer system in the realization of the method of serial DA conversion, C language.

C语言写的，测试7279按键功能，51单片机上通过运行-Written in C language to test the function keys 7279, 51 by running the single-chip