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

This anomaly applies to IC Rev. Engineering A, build codes SICA-BAA.

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.

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