[38] PPI: Enable/disable tasks for channel group 4 and 5 cannot be triggered through PPI

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

Symptoms

Triggering of the following tasks through PPI does not work:
  • TASKS_CHG[4].EN, Enable channel group 4
  • TASKS_CHG[4].DIS, Disable channel group 4
  • TASKS_CHG[5].EN, Enable channel group 5
  • TASKS_CHG[5].DIS, Disable channel group 5

Conditions

Always.

Consequences

Enable/disable tasks for channel group 4 and 5 cannot be triggered through PPI.

Workaround

Tasks have to be triggered through direct write to TASK address from CPU.