https://devzone.nordicsemi.com/f/nordic-q-a/42371/nrf52840-programming-too-slowWe program the nRF52840 with a Segger tool at 8MHz. The programmation time for 400kB is 13s (0.5 erase, 2.3s soft device and 8s application). When we reduce the frequency of the Segger we get 14s. This is strange. We would like to speed-up the programmingen-USTelligent Community 13Tue, 15 Jan 2019 17:14:46 GMThttps://devzone.nordicsemi.com/thread/165822?ContentTypeID=1Tue, 15 Jan 2019 17:14:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1377a90b-8d7f-4355-802f-de9c2bd5fb95Sigurd<p>Hi,</p> <p>I don&#39;t think you can significantly&nbsp;<span>speed-up the programming time.&nbsp;</span>In this white paper <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.whitepapers/dita/whitepapers/nwp_027/nWP_027_writing_data.html?cp=11_4_5">here</a>, we have the following section:</p> <p><span>&quot;Different methods can be used to write flash. For the nRF52, a good flash algorithm should take around 10 seconds to write the entire flash[512 kB nRF52832].&quot;</span></p> <p><span>But,&nbsp;maybe&nbsp;merging the hex files together, and converting from hex to bin, could improve the speed a little bit.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/165213?ContentTypeID=1Fri, 11 Jan 2019 14:45:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:07b07e7f-74a3-4145-b9b0-7a78783138cabonnet<p>Hello</p> <p>Our programmer is a Segger J-trace pro with software version</p> <p>JFlash.exe v6.40.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/164994?ContentTypeID=1Thu, 10 Jan 2019 15:52:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1e7f29ab-36f2-444b-afc1-5d8425c07e6dcatsunami<p>What are you using to flash? Please specify both the software and the hardware (e.g. &quot;Segger tool&quot;).</p><div style="clear:both;"></div>