2 Replies Latest reply on Nov 26, 2014 11:12 AM by hsontag@sontagtech.com

    How does P0 and keyscan affect deep sleep?

    hsontag@sontagtech.com

      I've seen a couple of posts that suggest that P0 can cause deep sleep to be terminated, because the keyscan causes the device to wake up.

       

      One developer resolved his excessive current draw by pulling P0 high.

       

      I don't plan to have any keys, I'd prefer to leave P0 with no connection or use it as an output.

       

      For deep sleep to continue without interruption, if P0 is programmed as an output, does it still need to be pulled high?