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Unused pin energy saving configuration

Question asked by squareroot on Nov 28, 2018
Latest reply on Dec 3, 2018 by Robin_Shen

Hi

 

My target is Kinetis E MKE06Z128VLH4 microcontroler and I am required to lower the power consumption to the minimum. What should I do with unused pins? In the AN4779 "EMC Design Tips for Kinetis E Family" note there is said to set unused pins as output low, but I am interested about other solution: isnt setting unused pins as input with pullup more energy saving?

 

Please let me know if the second solution isnt more energy saving.

 

Thanks

Darek

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