ADC数据手册中这部分看的不太明白,请指点迷津。
我原是想找到资料中关于参考电压的描述。由于英语水平一般,没找得到。却只看到PGA部分有电压的描述。而PGA应该是可编程放大器,那不是用放大倍数来描述的嘛?于是我有点丈二和尚。于是我猜测,通过PGA的3个BIT,可以设定ADC内部参考电压,我的说法不知对不对,还是请指点。多谢~
如果不是,那参考电压是多少?
如果是我猜想的,我觉得这资料写的也有点古怪~
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