https://devzone.nordicsemi.com/f/nordic-q-a/29687/how-to-write-some-structute-in-to-the-nordic-board-and-after-writing-i-have-to-make-it-read-onlyI have 3 nordic boards each having different serial no so i need to develop a a structure with the information of the serial no and some revision number etc and i need to flash this structure in to some part of memory of nordic and i want to make iten-USTelligent Community 13Tue, 23 Jan 2018 08:05:18 GMThttps://devzone.nordicsemi.com/thread/117818?ContentTypeID=1Tue, 23 Jan 2018 08:05:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d98ba8c7-7cb8-4010-b879-09406d986225Andy<p>You can use separate UICR registers for that. Take a look at <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52840.ps%2Fuicr.html&amp;resultof=%22%75%69%63%72%22%20">this</a>.</p><div style="clear:both;"></div>