https://devzone.nordicsemi.com/f/nordic-q-a/53905/debugging-with-nrf52810-with-openocd-and-stlinkv2I&#39;ve been trying to get debugging working with the STLinkV2. I&#39;m not able to step into code whatsoever, when I pause execution it appears t PC is at: Info : halted: PC: 0xfffffffe I don&#39;t believe the code is executing correctly because this programen-USTelligent Community 13Mon, 04 Nov 2019 12:04:51 GMThttps://devzone.nordicsemi.com/thread/218190?ContentTypeID=1Mon, 04 Nov 2019 12:04:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b974cf84-563c-4125-8512-067c5376ec63Vidar Berg<p>Hi,</p> <p>I can try to help you with this, but&nbsp;please note&nbsp;that we don&#39;t have official support for openOCD so we don&#39;t have as much experience with it as we do with j-link.</p> <p>The register values are wrong, but I&#39;m not sure if&nbsp;it&#39;s because of&nbsp;&nbsp;a FW issue are an issue with the Debugger configuration. To narrow it down I suggest to try loading one of the pre-compiled hex files from the SDK and see if you get the same register readouts.&nbsp;</p> <p>Here&#39;s a pre-compiled version of our blinky example (\examples\peripheral\blinky\hex) which you can try:</p> <p><a href="https://devzone.nordicsemi.com/cfs-file/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-fa0d2fd64b8541f28b488b7288f411b5/blinky_5F00_pca10040e.hex">devzone.nordicsemi.com/.../blinky_5F00_pca10040e.hex</a></p> <p>Make sure to use the &#39;pca10040e&#39; configuration when testing SDK examples. These have the correct linker settings to run on nRF52810. See&nbsp;<a title="Developing for nRF52810" href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/nrf52810_user_guide.html?cp=5_1_5_0">Developing for nRF52810</a>&nbsp;for more details.</p><div style="clear:both;"></div>