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Does the ADC single-ended input mode in STM32H753ZITK allow the negative input signal?

RongShengWang
Associate III

Hi,

   The reference manual says -

      "In differential input mode, the analog voltage to be converted for channel “i” is the difference
between the external voltage VINP[i] (positive input) and VINN[i] (negative input".

    "In single-ended input mode, the analog voltage to be converted for channel “i” is the difference between the external voltage VINP[i] (positive input) and VREF- (negative input)." - however VREF- is a fixed value.

     Does the ADC single-ended input mode in STM32H753ZITK allow the negative input signal? 

Thanks

 

   

 

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