[6] POWER: SLEEPENTER and SLEEPEXIT events asserted after pin reset

This anomaly applies to IC Rev. Revision 2, build codes SICA-B1A, SIBA-B1A, SIAA-B1A.

It was inherited from the previous IC revision Revision 1.

Symptoms

NRF_POWER->EVENT_SLEEPENTER and NRF_POWER->EVENT_SLEEPEXIT are asserted.

Conditions

After device reset.

Consequences

NRF_POWER->EVENT_SLEEPENTER and NRF_POWER->EVENT_SLEEPEXIT registers are set to true after reset.

Workaround

After reset, NRF_POWER->EVENT_SLEEPENTER and NRF_POWER->EVENT_SLEEPEXIT must be cleared before enabling them as IRQ sources.

Parent topic: New and inherited anomalies