There are several features of the device we're not using that have their own VIO supply pins, such as USB, MII, SDIO, etc. If we're not using a specific I/O block or interface do we need to power the I/O rail for that block?
For the unused power supply , they can be pulled to ground .
please also take a reference from this link.
Re: Usage for unused Power pins on LBWA1UZ1GC
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