https://devzone.nordicsemi.com/f/nordic-q-a/75869/ppi-doesn-t-appear-to-startnrf52840, sdk17. pca10056 (for now). linux arm-gcc, gnumake, etc. I have a fairly complex PPI configuration but in the act of debugging it, I&#39;ve dumbed it down quite a bit. So for now, I&#39;ve got TIMER2 configured in timer mode @16Mhz. I&#39;m trying toen-USTelligent Community 13Wed, 02 Jun 2021 12:30:35 GMThttps://devzone.nordicsemi.com/thread/313099?ContentTypeID=1Wed, 02 Jun 2021 12:30:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:50358a7f-bcaa-45c8-9c21-d1b2e20d6d95Kenneth<p>Thanks for updating with the solution.</p> <p>Kenneth</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/312975?ContentTypeID=1Tue, 01 Jun 2021 20:25:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ffd37072-5fa5-47f3-8c81-c723224c850chpeyerl<p>So apparently I needed&nbsp;</p> <p></p> <p><pre class="ui-code" data-mode="text">nrfx_gpiote_out_task_enable(ADS_CS); nrfx_gpiote_out_task_enable(COUNTER_CLOCK);</pre></p> <p></p> <p>This part is working now.</p><div style="clear:both;"></div>