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Configuring GPIO pins in Sleep-Mode

Discussion in 'Microcontrollers, Programming and IoT' started by jacobkats, Nov 29, 2017.

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  1. jacobkats


    Nov 29, 2017
    Hey !

    Looking for assistance at configuring GPIO pins in Sleep-Mode.
    1. Can these pins be set via SW to be "HIGH" and keep their value as "HIGH" even in Sleep-Mode?

    2. Will the implementation of (1) will make a higher "current consumption" as opposed to a regime where these pins were "idle"?

    3. Will there be a difference at voltages (i.e. Current Flow) between a GPIO that has been set as "HIGH" and a positive side of a Battery that provides the power to the Micro-Controller? Is it something that happens? (Even if the current that could be consumed is at about [uA])..
    Thank you very much!
  2. BobK


    Jan 5, 2010
    GPIO pins will maintain their state in sleep mode. The current they will source or sink depends on what they are connected to.

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