Regarding CTRL-AP erase all operationhttps://devzone.nordicsemi.com/f/nordic-q-a/121333/regarding-ctrl-ap-erase-all-operationHi team, According to this statement, it indicates that access port protection can be deactivated by modifying the TAMPC.PROTECT registers, which can be achieved by executing the CTRL-AP erase all operation. Is it feasible to disable the access port protectionen-USTelligent Community 13Wed, 14 May 2025 16:10:26 GMTRE: Regarding CTRL-AP erase all operationhttps://devzone.nordicsemi.com/thread/535392?ContentTypeID=1Wed, 14 May 2025 16:10:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:883ac324-005f-496e-a690-e82ebb96db9fAmanda Hsieh<p>Unfortunately, no, but you can refer to&nbsp;<a href="https://docs.nordicsemi.com/bundle/nan_047/page/APP/nan_production_programming/nRF54L/nrf54l_disable_approtect.html">Disabling APPROTECT</a>.&nbsp;</p><div style="clear:both;"></div>RE: Regarding CTRL-AP erase all operationhttps://devzone.nordicsemi.com/thread/534780?ContentTypeID=1Mon, 12 May 2025 03:43:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1ede40bf-2ca9-46fc-b448-317d60b083dbKPA<p>This statement is clear. My request is as follows,<br />Is there any source code available that I can refer, to execute the erase all operation using CTRL-AP?</p><div style="clear:both;"></div>RE: Regarding CTRL-AP erase all operationhttps://devzone.nordicsemi.com/thread/534699?ContentTypeID=1Fri, 09 May 2025 14:03:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b7eab038-705a-48d9-8870-d3ead5fe987bAmanda Hsieh<p>Hi,&nbsp;</p> <p><span>If the device has access port protection enabled and is not erase protected, you can disable access port protection by using a&nbsp;</span><a title="A custom access port that enables control of the device even if other access ports in the debug access port are disabled by the access port protection." href="https://docs.nordicsemi.com/bundle/nan_047/page/dita_common/glossary/glossary.html#ctrl-ap"><dfn>Control Access Port (CTRL-AP)</dfn></a><span>&nbsp;erase all operation. See&nbsp;</span><a href="https://docs.nordicsemi.com/bundle/nan_047/page/APP/nan_production_programming/nRF54L/nrf54l_disable_approtect.html">Disabling APPROTECT</a>.</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>