https://devzone.nordicsemi.com/f/nordic-q-a/36428/hardware-reset-in-nrf52840I am looking for help in doing a hardware reset. How can this be done? Do I need to make P0.21 active low so that P0.18 is enabled to be in RESET mode? This is for hardware reset of SoC whatever be the case using PB SW and a pull up resister. I am planningen-USTelligent Community 13Mon, 16 Jul 2018 06:19:38 GMThttps://devzone.nordicsemi.com/thread/140150?ContentTypeID=1Mon, 16 Jul 2018 06:19:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:226bcc01-3e88-467e-8f45-a666159bdcbdSimon<p><span>For the board you are using (nrf52840) you will need to enable PO.18 only. You have probably looked at the reset instructions for </span><span>nRF52832, which requires PO.21 to be enabled in order to perform a reset.</span></p> <p><span>Reset for nRF52840:</span></p> <p><a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf52840_dk%2FUG%2Fnrf52840_DK%2Fboot_reset_but.html&amp;cp=4_0_4_6_0">https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf52840_dk%2FUG%2Fnrf52840_DK%2Fboot_reset_but.html&amp;cp=4_0_4_6_0</a></p> <p><span style="font-weight:400;">Reset for nRF52832</span><span style="font-weight:400;">:</span></p> <p><a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf52832_dk%2FUG%2Fnrf52_DK%2Fboot_reset_but.html&amp;cp=4_2_4_4_0">https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf52832_dk%2FUG%2Fnrf52_DK%2Fboot_reset_but.html&amp;cp=4_2_4_4_0</a></p> <p>Best regards,</p> <p>Simon Iversen</p><div style="clear:both;"></div>