[42] PPI: FORK on the fixed channels is not functional

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

Symptoms

It is not possible to configure PPI.FORK[n].TEB register for fixed PPI channels (20-31).

Conditions

Always.

Consequences

Code using PPI.FORK on fixed PPI channels will not work.

Workaround

A programmable PPI channel has to be used to implement the connection.


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