8 years, 1 month ago.  This question has been closed. Reason: Off Topic

Why am I getting 2.7V from a DigitalOut?

When the power supply is 3.3V, I get 3.3V from a DigitalOut. However, when I change the power supply to 3V, I get 2.7V.

Is It necessary to configure something in the microcontroller registers?