https://devzone.nordicsemi.com/f/nordic-q-a/67958/serial-wire-flash-writingHello, I&#39;m planning serial wire flash writing from custom board gpio to nRF52840 serial wire. nRF52840 SWDIO/SWCLK/NRST are connected to a custom board GPIOs. Is there any material I can refer to?en-USTelligent Community 13Thu, 05 Nov 2020 06:51:41 GMThttps://devzone.nordicsemi.com/thread/278529?ContentTypeID=1Thu, 05 Nov 2020 06:51:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3fccc532-c31a-4d8d-b6c6-6629aad69041wsglee<p>Thank you, Jared.</p> <p>Problem solved.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/278453?ContentTypeID=1Wed, 04 Nov 2020 13:33:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c3311ed4-772d-4f2e-b96a-2212a892a43dJared<p>Hi,</p> [quote user=""]Is there any material I&nbsp;can refer to?[/quote] <p>&nbsp;Indeed there is :).&nbsp;&nbsp;See our whitepaper on <a href="https://infocenter.nordicsemi.com/topic/nwp_027/WP/nwp_027/intro.html?cp=16_9">&quot; nRF52832 Production programming&quot;</a> and <a href="https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/serial-wire-debug-port-interface-for-nrf52832">this</a>&nbsp;older blog about SWD for nRF52832.</p> <p>regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>