https://devzone.nordicsemi.com/f/nordic-q-a/15878/programming-nrf51822-with-ulink2I have developed my prototype using the NRF51DK and now i am making a custom PCB.I currently use the On booard segger debugger to program the NRF51822.Also, i have ULINK2 which i use for other ARM controllers[LPC&#39;s]. My question is, is it possibleen-USTelligent Community 13Sat, 20 Aug 2016 09:59:55 GMThttps://devzone.nordicsemi.com/thread/60571?ContentTypeID=1Sat, 20 Aug 2016 09:59:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:93cf49c2-5e91-48d8-a085-0755adf941a4awneil<p>Yes, you can use a uLink.</p> <p>The nRF5x parts have standard ARM debug connections - the uLink documentation describes the connections:</p> <p><a href="http://www2.keil.com/mdk5/ulink/ulink2/">www2.keil.com/.../</a></p> <p><a href="http://www2.keil.com/mdk5/ulink">www2.keil.com/.../ulink</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/60570?ContentTypeID=1Sat, 20 Aug 2016 09:24:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e60fee46-263e-4a76-af0c-855d748697ceRK<p>Just use the debug out of the nRF51DK - it tells you how to do that in the manual.</p><div style="clear:both;"></div>