[90] GPIO: PIN_CNF[n] MCUSEL is reset by application core soft reset

This anomaly applies to IC Rev. Engineering A, build codes QKAA-AB0.

Domains

Application

Symptoms

Core, Peripheral, or Trace and Debug Subsystem loses control of GPIO pin.

Conditions

A soft reset is generated on the application core.

Consequences

Core, Peripheral, or Trace and Debug Subsystem loses control of GPIO pin.

Workaround

Initialize MCUSEL after soft reset.