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GPIO input of ADuC7023

Question asked by jhshin on Jul 7, 2016
Latest reply on Jul 12, 2016 by ABuda

Hi all,

 

My customer have found a symptom that a ground level of the P0.1 pin was floated in ADuC7023 as shown below.

     P0.1 PIN - GPIO input configuration, 10Kohm pull-up resister

If she offers a DC signal directly through a switch, the above symptom do not occur.

Please advice what is the cause of the above symptom? How does she correct it?

 

Thanks in advance.

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