https://devzone.nordicsemi.com/f/nordic-q-a/19203/nrf52840dk-w-s140-hardfaultLoaded Softdevice S140, ( Using NRF52840 DK board ) using NRFgo Studio. App flash base is set to 0x00021000 and app RAM base is set to 0x20003000 Looking at the CPU registers, once the function is called the CPU enters SVC as expected, then abouten-USTelligent Community 13Tue, 14 Nov 2017 10:43:53 GMT