[136] System: Bits in RESETREAS are set when they should not be

This anomaly applies to IC Rev. Engineering C, build codes QFAA-BB0, CIAA-BA0.

Symptoms

After pin reset, RESETREAS bits other than RESETPIN might also be set.

Conditions

A pin reset has triggered.

Consequences

If the firmware evaluates RESETREAS, it might take the wrong action.

Workaround

When RESETREAS shows a pin reset (RESETPIN), ignore other reset reason bits.
Important: RESETREAS bits must be cleared between resets.

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