DAC7631为16位的数模转换器，此程序为DAC7631的转换测试程序。-DAC7631 16-bit DAC, DAC7631 this procedure for the conversion of the test procedure.

DAC7631的C51源程序,包括C源文件和头文件,修改头文件中端口定义后可直接使用.-DAC7631 source of C51, including the C source and header files, modify the port definition header file can be used directly.