我考虑ADC的参考源采用内部,那VREFHI和VREFLO这两个脚怎么接?是空着还是VREFHI接VDDA,VREFLO接VSSA?
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我考虑ADC的参考源采用内部,那VREFHI和VREFLO这两个脚怎么接?是空着还是VREFHI接VDDA,VREFLO接VSSA?