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Compatibility of PWAKEUP of APB completer with Q-channel compliant clock controller

Rishi Cheriyan

Hi,

What is the recommended way of connecting PWAKEUP of an APB completer with the Q-channel interface signals of a clock controller to ensure correct functionality.

Regards,

Rishi

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  • +1 Arm Employee Badge

    Hi Rishi,

    You can connect PSEL to PWAKEUP if the upstream interface does not have a PWAKEUP signal.  This will ensure that PWAKEUP meets the requirements of the APB Specification, and will deassert it there are no transfers being sent to the APB interface.

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  • +1 Arm Employee Badge

    Hi Rishi,

    You can connect PSEL to PWAKEUP if the upstream interface does not have a PWAKEUP signal.  This will ensure that PWAKEUP meets the requirements of the APB Specification, and will deassert it there are no transfers being sent to the APB interface.

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