我最近需要用2530做个AD采集,老是采集不准确,怀疑是硬件的问题后来使用了开发板和好几个硬件电路,又怀疑是软件的问题,完全是按照协议栈的规范和手册上的代码进行设置的ADC的寄存器,但是就是出现这个AD的下拉现象,所以老是采集不准去,希望能有人帮我解决一下问题出在哪里?谢谢!图片里有我实际测量的波形
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