https://devzone.nordicsemi.com/f/nordic-q-a/126197/internal-capacitance-fine-tuning-of-the-32mhz-crystalHi, I&#39;d like to know how to tune the internal capacitance from the 32MHz crystal. Specifically, I refered to section 4.12.1.1 Using internal capacitors in the nRF5340 datasheet , section 4.12 OSCILLATORS — Oscillator control. The instructionsen-USTelligent Community 13Thu, 18 Dec 2025 06:27:31 GMThttps://devzone.nordicsemi.com/thread/557284?ContentTypeID=1Thu, 18 Dec 2025 06:27:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:de4b49c7-116c-463e-be26-c7b1cab8dfc5Kevin Lin<p>Hi&nbsp;Simon,</p> <p>It works!</p> <p>Thank you for your detailed and useful reply.</p> <p>Best regards,</p> <p>Kevin</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/557240?ContentTypeID=1Wed, 17 Dec 2025 14:45:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:de5ada11-78f1-45e7-8a3f-debf309091dfSimonr<p>Hi Kevin</p> <p>The internal load capacitors should generally be set in the .dts or .overlay file of your device. The CAPVALUEs should be set to match the external oscillator in .dts during build time, then the trimming is done in the soc.c file here:<strong>&nbsp;...\zephyr\soc\nordic\nrf53\soc.c</strong></p> <p>In short, your understanding seems to be correct here.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>