[265] UICR: Pin mapping is not functional in PSELRESET

This anomaly applies to Revision 2, build codes QDAA-C00.

It was inherited from the previous IC revision Engineering B.

Symptoms

Pin mapping is not functional for PSELRESET.

Consequences

When mapping GPIOs to nRESET according to nRF52820 Product Specification, nRESET is not connected to the GPIO as configured in UICR.PSELRESET[n].PIN.

Workaround

When configuring PIN in UICR.PSELRESET[n] registers, clear bit 5 to 0.