https://devzone.nordicsemi.com/f/nordic-q-a/44575/nrf51-zephyr-timer-issueHi experts, Currently some issues are found in zephyr os, especially the precision of k_timer. Since the nRF51 series uses RTC as the system clock on zephyr os, the round up of 32768/CONFIG_SYS_CLOCK_TICKS_PER_SEC will lead to a small drift in timeen-USTelligent Community 13Mon, 11 Mar 2019 12:39:20 GMThttps://devzone.nordicsemi.com/thread/175314?ContentTypeID=1Mon, 11 Mar 2019 12:39:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:36531167-eda4-42e9-b877-d583d812b2d3Vidar Berg<p>Hi,</p> <p>Maybe you have seen it already, but there&#39;s is an open issue on github for this issue (<a href="https://github.com/zephyrproject-rtos/zephyr/issues/9904">#9904</a>).&nbsp;</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>