https://devzone.nordicsemi.com/f/nordic-q-a/16018/how-does-the-debugger-halt-cpuHi, My host MCU controls nRF51 over SWD interface. How can stop/halt nRF CPU? After initialization the SWD(init/read DB/AP AHB, etc.) I need to halt (stop nRF program) the CPU. In which way can I do it? Thanks, Y0loen-USTelligent Community 13Fri, 26 Aug 2016 13:31:21 GMThttps://devzone.nordicsemi.com/thread/61092?ContentTypeID=1Fri, 26 Aug 2016 13:31:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d9d739bd-69aa-435d-92b9-e5eb98158078awneil<p>Are you developing your own debugger?</p> <p>You should see the standard ARM Cortex-M0 documentation for this.</p> <p><a href="http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0432c/Bcgbfdhc.html">infocenter.arm.com/.../index.jsp</a></p><div style="clear:both;"></div>