通过89C52单片机实现任意绘制好的波形，用DAC0832实现波行的模拟输出，文档还自带ISIS仿真实例，自己编写，调试成品通过。-Arbitrarily draw a good waveform analog output DAC0832 wave line documentation also comes with the ISIS simulation instance, write your own, commissioning finished by by the 89C52 micr