https://devzone.nordicsemi.com/f/nordic-q-a/87094/nrf9160dk-secure-and-non-secure-differencesHi! I&#39;m trying to understand how my board is working. I think that the Arm Trustzoned provides the possibility to the board to have two domains, one secure and one non-secure. But which are their differences?en-USTelligent Community 13Thu, 21 Apr 2022 08:08:32 GMThttps://devzone.nordicsemi.com/thread/364121?ContentTypeID=1Thu, 21 Apr 2022 08:08:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:97715fb0-2a06-48c7-9e09-3119fc3c6bc0&#216;yvind<p>Please specify what exactly you are looking for.&nbsp;<br /><br /></p> <p>All information we have available can be found in the <a href="https://infocenter.nordicsemi.com/topic/struct_nrf91/struct/nrf9160.html">nRF9160 documentation</a>&nbsp;and the <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.9.1/nrf/index.html">nRF Connect SDK documentation</a>. And of course <a href="https://devzone.nordicsemi.com/">DevZone</a></p> <p>If this does not provide enough information, you will need to look at the <a href="https://www.arm.com/products/silicon-ip-cpu/cortex-m/cortex-m33">Arm Cortex M33 documentation</a>.</p> <p>Kind regards,<br />Øyvind</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/363971?ContentTypeID=1Wed, 20 Apr 2022 13:42:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f1121aac-ac2c-4a2e-a1ab-21b283e089a7Gioele<p>Okay but I can&#39;t find a clear difference.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/363707?ContentTypeID=1Tue, 19 Apr 2022 19:10:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1484e9dc-3247-4b21-ad6b-fffd29bd584f&#216;yvind<p>Hello,&nbsp;<br /><br />Please see our&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.8.0/nrf/ug_nrf91_features.html#features-of-nrf91-series">Features of nRF91 series</a>&nbsp;in our nRF Connect SDK documentation.</p> <p>Kind regards,<br />Øyvind</p><div style="clear:both;"></div>