/nordic/nordic-blog/b/blog/posts/allowing-debugger-access-to-an-nrf5340After an nRF5340 executes a power-on, brown-out, watchdog timer, or pin reset it is not automatically accessible to debug probes. This is true even if the nRF5340's memory is completely blank --i.e. no settings have been written to the device to disaen-USTelligent Community 13