https://devzone.nordicsemi.com/f/nordic-q-a/70551/nrf52840dk-debugger-not-respondingDear Sir / Ma&#39;am , I am trying to load my simple I2C program on board nrf52840dk. But unfortunately after some time on board LED5 can&#39;t turned on and COM PORT not detected. I am little worry about it . Then I disconnect my board and check shorting betweenen-USTelligent Community 13Wed, 17 Feb 2021 11:37:58 GMThttps://devzone.nordicsemi.com/thread/294816?ContentTypeID=1Wed, 17 Feb 2021 11:37:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:383e39ac-5d39-4de7-b167-53a30ac51ae3Simonr<p>Hi</p> <p>Please check out <a href="https://devzone.nordicsemi.com/f/nordic-q-a/23125/recover-dk-interface-ic-firmware">this case,</a> where all base addresses (I&#39;m not sure which one you mean) and a detailed recovery process is described.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/294756?ContentTypeID=1Wed, 17 Feb 2021 07:32:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:02febf19-39d2-4e78-bc92-b5a96a38cb45Hinal Tailor<p>I did downloaded the file but just want to know base address in hex please provide base address</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/289752?ContentTypeID=1Mon, 18 Jan 2021 13:25:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f7237c94-293a-43e0-a600-aa82393da577Simonr<p>I&#39;m sorry, but I&#39;m not sure I understand what you mean. You can download the correct interface MCU firmware from the nRF52840 DK product page <a href="https://www.nordicsemi.com/Software-and-tools/Development-Kits/nRF52840-DK/Download#infotabs">here</a>.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/289640?ContentTypeID=1Mon, 18 Jan 2021 08:51:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0448084a-0b81-4b66-98a0-52ac4801ebe9Hinal Tailor<p>Hiii</p> <p>Can you please provide base address of interfaced MCU (SAM3U2C) for loading .bin file via another board JTAG?</p> <p>&nbsp;Best regards,</p> <p>Hinal Tailor</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/289638?ContentTypeID=1Mon, 18 Jan 2021 08:46:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4a7720a1-76ff-4528-903d-6e71a424e179Simonr<p>Hi</p> <p>In the case of a faulty Development Kit, please go through the list from Martin in <a href="https://devzone.nordicsemi.com/f/nordic-q-a/24592/my-nrf52-nrf51-dk-kit-doesn-t-work">this case</a> to see if any of these make a difference?</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>