https://devzone.nordicsemi.com/f/nordic-q-a/9797/if-i-use-softdevice-rtc-can-i-need-to-initIn function nrf_drv_clock_init(nrf_drv_clock_config_t const * p_config) #ifndef SOFTDEVICE_PRESENT m_clock_cb.lfclk_requests = 0; nrf_clock_xtalfreq_set(CLOCK_CONFIG_XTAL_FREQ); nrf_clock_lf_src_set((nrf_clock_lf_src_t)CLOCK_CONFIG_LF_SRC); en-USTelligent Community 13Tue, 20 Oct 2015 11:44:58 GMThttps://devzone.nordicsemi.com/thread/36308?ContentTypeID=1Tue, 20 Oct 2015 11:44:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5b9faed1-80b9-4995-8bf6-5a87d27108edMartinBL<p>Hi. When SOFTDEVICE_PRESENT is defined then the softdevice will control the clock sources.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/36307?ContentTypeID=1Tue, 20 Oct 2015 01:40:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:635b5b4e-479f-4d3a-9ccc-ec02a9a184d4fanqh<p>how can i use rtc while use softdevic????</p><div style="clear:both;"></div>