https://devzone.nordicsemi.com/f/nordic-q-a/113085/device-treeHi: I checked the zephyr.dts file, but why are the addresses for flash_controller: flash-controller@39000 and kmu: kmu@39000 the same? I checked the specification and 3900 should be kmu. nRF9160 Product Specification (nordicsemi.com) .en-USTelligent Community 13Tue, 16 Jul 2024 14:40:33 GMThttps://devzone.nordicsemi.com/thread/494201?ContentTypeID=1Tue, 16 Jul 2024 14:40:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a34a9386-a7f7-4c84-ad9f-0442f5b65c84Sigurd Hellesvik<p>I do not know for sure if this is why, but the following could make sense:</p> <p>The KMU keyslots are in the <a href="https://infocenter.nordicsemi.com/topic/ps_nrf9160/uicr.html?cp=2_1_0_3_5_0#topic">UICR</a>, which is accessed by NVMC.</p> <p>But for another point:<br />Why do you need to know why? <br />Understanding this is usually not required to make a working product, so Im guessing you have an underlying problem</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/494097?ContentTypeID=1Tue, 16 Jul 2024 10:32:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4452e83f-1f6f-42b5-a018-39834340af63john.liu<p>hi：</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1721125834199v1.png" alt=" " /></p> <p>I don&#39;t understand why the addresses of nvmc and kmu are the same?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/494080?ContentTypeID=1Tue, 16 Jul 2024 09:29:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7d2f2285-81ab-4b05-bf50-190d455331c0Turbo J<p>The peripherial addresses should be either 0x40039000 or 0x50039000 according to the PS.</p> <p>Note that the driver could ignore this device tree value here if it can infer the address otherwise.</p><div style="clear:both;"></div>