Is there a way to do digital (not analog) loopback with the GIO module?
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1) If you asking in terms of one pin connecting to other GIO pin asnwer is no.. But modules like NHET can be configured as IO and used.
2) If you are asking about same pin, by default even when Pin is configured as Output, the Pin status is captured in the DIN register, But It is not a digital loopback.
Regards
Prathap