I have some unused ADC inputs and GPIO pins that are not used in my design.
How should I configure these pins to minimize current consumption?
ADC inputs - tie these directly to ground. The leakage current on the analog pins is low - typically 1nA
The digital pins have an internal pull-up to IOVDD. This pull-up is typically 50Kohms. Becasue of the pull-ups, these pins can be left unconnected. Another option is to tie them externally to IOVDD to minimze the current flowing through the pull-up.
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