[74] SAADC: Started events fires prematurely

This anomaly applies to IC Rev. Engineering A, build codes QFAA-AA0, QFAA-AC0, CGAA-AA0.

Symptoms

False EVENTS_STARTED

Conditions

TACQ <= 5 µs

Consequences

The EVENTS_STARTED can come when not expected

Workaround

The module must be fully configured before it is enabled, and the TACQ configuration must be the last configuration set before ENABLE.