2.11.4. APB-Mux Software Access Enable

The APB-Mux receives PDBGSWEN from the APB-AP to enable software access from the System Slave Port to the Debug APB.

PDBGSWEN LOW

System access to the Debug APB is not permitted. The System Slave port must return PSLVERRSYS HIGH on any access. No APB-Mux master transfer is initiated.

PDBGSWEN HIGH

System access to the Debug APB is permitted.

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