https://devzone.nordicsemi.com/f/nordic-q-a/128394/how-to-use-gpoe20-nrf54l15-p1-10-to-configure-dppi-on-ncs3-1-1-versionHi: use nrf54l15 and ncs v3.1.1. The CS-PIN remained low during measurement. I am unable to control CS PIN through DPPI. Here is the source code：en-USTelligent Community 13Tue, 09 Jun 2026 10:04:27 GMThttps://devzone.nordicsemi.com/thread/567595?ContentTypeID=1Tue, 09 Jun 2026 10:04:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f5e1c898-2e71-4cd8-bc19-2cf1c9545b8aVidar Berg<p>Hello,</p> <p>I don&#39;t immediately see what is wrong with the CS handling in your code, but is there a reason for not letting the SPI peripheral control the CS signal as I did in my sample app here:&nbsp;<a href="https://github.com/vidarbe/ncs-samples/tree/add_dppi_version/sensor_hub_with_dppi_lm20">https://github.com/vidarbe/ncs-samples/tree/add_dppi_version/sensor_hub_with_dppi_lm20</a>?</p> <p>Best regards,</p> <p>Vidar</p> <p>EDIT: a coworker pointed out that the GPIOTE task config has the polarity set to&nbsp;NRF_GPIOTE_POLARITY_NONE. This should be sett to&nbsp;<span>NRF_GPIOTE_POLARITY_TOGGLE if you want the signal to be asserted and de-asserted by a single event.</span></p><div style="clear:both;"></div>