https://devzone.nordicsemi.com/f/nordic-q-a/115003/changing-interrupt-priorityHi. I am using a custom board based on the nRF52820 (SDK v2.7.0). I have a task in front of me to design a battery charger. In the program I use two interrupts to solve this task: 1. from USB (events NRFX_POWER_USB_EVT_DETECTED and NRFX_POWER_USB_EVT_REMOVEDen-USTelligent Community 13Thu, 26 Sep 2024 17:11:25 GMThttps://devzone.nordicsemi.com/thread/504045?ContentTypeID=1Thu, 26 Sep 2024 17:11:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:eddda5fb-1d6a-4fc4-82e3-b6bd9e3c4085backstreet.devisor<p>Hi Sigurd!</p> <p><span>Thanks for your answer. I will look for another solution to this problem.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/503970?ContentTypeID=1Thu, 26 Sep 2024 11:59:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7c6665ff-4de5-43f5-8b8f-ae3091339031Sigurd<p>Hi!</p> [quote user=""]Could it be related to interrupt priorities?[/quote] <p>I had a look at the dtsi file, and it seems like GPIOTE have a lower interrupt <span>priority&nbsp;</span>than USB.</p> <p><a href="https://github.com/nrfconnect/sdk-zephyr/blob/v3.6.99-ncs2/dts/arm/nordic/nrf52820.dtsi#L187">https://github.com/nrfconnect/sdk-zephyr/blob/v3.6.99-ncs2/dts/arm/nordic/nrf52820.dtsi#L187</a></p> <p>GPIOTE -&gt; priority 5</p> <p><a href="https://github.com/nrfconnect/sdk-zephyr/blob/v3.6.99-ncs2/dts/arm/nordic/nrf52820.dtsi#L377">https://github.com/nrfconnect/sdk-zephyr/blob/v3.6.99-ncs2/dts/arm/nordic/nrf52820.dtsi#L377</a></p> <p>USB -&gt; priority 1 (default value for NRF_DEFAULT_IRQ_PRIORITY)</p> <p>Lower number being the highest priority</p> <p></p><div style="clear:both;"></div>