https://devzone.nordicsemi.com/f/nordic-q-a/75364/programming-external-board-with-nrf9160-dkSo this is my understanding of the programming process of an external board using the DK. Pins from table 1 here: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf91_dk%2FUG%2Fnrf91_DK%2Fext_programming_support.html And this is about asen-USTelligent Community 13Fri, 21 May 2021 06:04:50 GMThttps://devzone.nordicsemi.com/thread/310904?ContentTypeID=1Fri, 21 May 2021 06:04:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3bfd80ca-cfcf-45bf-8681-e9a671ef7b88Kaja<p>The reset pin is nice to have, but not a must, see&nbsp;<a href="https://infocenter.nordicsemi.com/topic/ps_nrf9160/pmureset.html?cp=2_0_0_4_0_4">reset in the PS.</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/310902?ContentTypeID=1Fri, 21 May 2021 06:03:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f8d562db-742d-44eb-8194-32079d4421aaKaja<p>I made the drawing, based on a similar drawing posted on DevZone for nRF52 series.&nbsp;<br /><br /><br /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/310867?ContentTypeID=1Thu, 20 May 2021 20:58:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f5a1007d-a607-4cd7-9051-d80fa29c8675Mr.Newlove<p>And we do not need the reset pin?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/310853?ContentTypeID=1Thu, 20 May 2021 18:33:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0d749241-6563-42b5-a6fa-76751908f1dcMr.Newlove<p>Where did you find that? I was looking everywhere I thought.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/310775?ContentTypeID=1Thu, 20 May 2021 13:24:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4a6f1734-1250-4077-97c3-11588000c758Kaja<p>You need to connect: SWDCLK, SWDIO, ground and VDD_nRF<br /><img alt=" " src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/progCnRF9160.png" /><br /><br />Best regards,<br />Kaja</p><div style="clear:both;"></div>