https://devzone.nordicsemi.com/f/nordic-q-a/62535/very-large-drift-of-hfclk-vs-rtc-lfxo-on-nrf52832Hello! I am trying to understand why the HFCLK of the DecaWave DWM1001C module based on nRF52832 has a significant (7000-10000 ppm) frequency offset w.r.t. its nominal value. I configure RTC1 (with LFXO) to produce ticks at 1024 Hz and every 1024then-USTelligent Community 13Sat, 13 Jun 2020 21:22:25 GMThttps://devzone.nordicsemi.com/thread/254841?ContentTypeID=1Sat, 13 Jun 2020 21:22:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:abdfa838-765b-4525-9315-72b0262bdfe8Timofei<p>Hi Jay,</p> <p>You are right! Thanks a lot for the very quick and precise reply!</p> <p>Best regards,</p> <p>Timofei</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/254810?ContentTypeID=1Fri, 12 Jun 2020 22:40:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9fc7ff4b-58ac-47d9-9456-aea96c0548a5Jay Tyzzer<p>Hi Timofei,</p> <p>The nRF52832 has&nbsp;4 Oscillators .&nbsp; a 32Khz RC and Crystal and a 32Mhz RC and Crystal.</p> <p>Are you sure you are turning on the 32Mhz crystal Osc and not running off the internal 32Mhz RC? The RC is on by default.&nbsp;</p> <p>Please review section 19.1 in the product spec. v1.4</p> <p>Br,</p> <p>Jay</p> <p>&nbsp;&nbsp;</p><div style="clear:both;"></div>