How to secure the nRF52&#39;s flash from read back with JLink Commanderhttps://devzone.nordicsemi.com/f/nordic-q-a/25560/how-to-secure-the-nrf52-s-flash-from-read-back-with-jlink-commanderHello! I would like to program the nRF52 using the JLink Commander and protect it afterwards. Which register do I need to manipulate? Thanks and kind regards, Michaelen-USTelligent Community 13Fri, 29 Sep 2017 06:23:28 GMTRE: How to secure the nRF52's flash from read back with JLink Commanderhttps://devzone.nordicsemi.com/thread/100768?ContentTypeID=1Fri, 29 Sep 2017 06:23:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:643a5c17-1f97-45ff-bb1a-d53f71ec197eMichael<p>Thank you for the quick response!</p><div style="clear:both;"></div>RE: How to secure the nRF52's flash from read back with JLink Commanderhttps://devzone.nordicsemi.com/thread/100767?ContentTypeID=1Thu, 28 Sep 2017 20:32:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a9c479cf-fe85-4667-b21a-db17dd30e32fendnode<p>You need to set <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/uicr.html?cp=2_1_0_13_0_61#register.APPROTECT">PALL (0xFFFFFF00) to <code>UICR-&gt;APPROTECT</code></a>.</p><div style="clear:both;"></div>