https://devzone.nordicsemi.com/f/nordic-q-a/91574/spim-read-data-all-zero-using-gpiote-and-ppiWe are evaluating using GPIOTE In event to trigger SPIM reading by PPI. GPIOTE interrupt will trigger SPIM data transfer. The SPIM CS pin is toggled with PPI too. We use a timer (counter ) to count the number of transfer. For simplicity, the counter numberen-USTelligent Community 13Sat, 03 Sep 2022 05:31:39 GMThttps://devzone.nordicsemi.com/thread/384443?ContentTypeID=1Sat, 03 Sep 2022 05:31:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b010b1da-f7dd-421a-997e-52585e6fdb3ddavidz<p>Problem solved. It is the pointer issue.</p><div style="clear:both;"></div>