https://devzone.nordicsemi.com/f/nordic-q-a/105086/rtt-viewer-can-t-show-any-messagesI use RTT Viewer to connect nRF5340 device. But RTT Viewer can&#39;t show any messages. RTT Viewer shows ERROR: CPU is not halted.en-USTelligent Community 13Fri, 27 Oct 2023 15:50:16 GMThttps://devzone.nordicsemi.com/thread/452835?ContentTypeID=1Fri, 27 Oct 2023 15:50:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c9d87ff8-81c2-4209-8ead-4d6b0d179987snowuyl<p>Thanks for your reply! I will test it.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/452754?ContentTypeID=1Fri, 27 Oct 2023 10:37:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4d3e8243-975c-4ece-83a1-117502f1eec8Jared<p>Hi,</p> <p>If you test with the unmodified peripheral_uart sample, do you see the same?</p> <p>regards</p> <p>Jared</p><div style="clear:both;"></div>