https://devzone.nordicsemi.com/f/nordic-q-a/103484/undefined-reference-to-__device_dts_ord_96-when-trying-to-enable-internal-rtc-in-nrf-connect-sdkHello, We have a custom board based on nRF52840 and need to use internal RTC for timestamp purposes. We are going to use a BLE connection/command to sync the time. So we are using the following settings on the project: prj.conf: CONFIG_RTC en-USTelligent Community 13Wed, 06 Sep 2023 11:52:32 GMThttps://devzone.nordicsemi.com/thread/444705?ContentTypeID=1Wed, 06 Sep 2023 11:52:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cdf3e657-ce63-4c61-8631-f9cfe804dc08jzumaeta<p>Hello,</p> <p>Problem solved. In case it helps someone. We must also add:</p> <div> <div><span><strong>prj.conf:</strong></span></div> <div><span>CONFIG_COUNTER</span><span>=y</span></div> <div><span></span></div> <div><span>Best regards,</span></div> <div><span>Jhon&nbsp;</span></div> </div><div style="clear:both;"></div>