https://devzone.nordicsemi.com/f/nordic-q-a/90597/nrf51822-software-interrupt-swiHello, guys! We are using nRF51822 SoC with nRF5 SDK v12.3.0 and s130 SoftDevice. One of our desires is to use Software Interrupt (SWI) driver. However, when I try to initialize SWI library with: I get the following error: ../../../../../..en-USTelligent Community 13Thu, 04 Aug 2022 13:45:48 GMThttps://devzone.nordicsemi.com/thread/380156?ContentTypeID=1Thu, 04 Aug 2022 13:45:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:777af78a-63e4-4542-927a-8e23dba199d3Sigurd<p>Hi,</p> <p>EGU is not present on the nRF51. You should be able to use the SWI library on a nRF51 device, but set&nbsp;EGU_ENABLED to 0 in sdk_config.h</p><div style="clear:both;"></div>