How to choose the hfclk in xtal modehttps://devzone.nordicsemi.com/f/nordic-q-a/70776/how-to-choose-the-hfclk-in-xtal-modewhen I read HFCLKSTAT memory I get the value 1 00 00 which means the hfclk is running and use the RC sources so how can I change it to xtal sources.en-USTelligent Community 13Fri, 22 Jan 2021 12:37:08 GMTRE: How to choose the hfclk in xtal modehttps://devzone.nordicsemi.com/thread/290739?ContentTypeID=1Fri, 22 Jan 2021 12:37:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9809dfe2-fd24-4308-9095-cdaab492ec57Sigurd<p>Hi,</p> <p>If you are using the SoftDevice, then use the function&nbsp;<span>sd_clock_hfclk_request()</span></p> <p><a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s140.api.v7.2.0/group___n_r_f___s_o_c___f_u_n_c_t_i_o_n_s.html#ga3e5afb495a1b0307c749cc268df94a74">https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s140.api.v7.2.0/group___n_r_f___s_o_c___f_u_n_c_t_i_o_n_s.html#ga3e5afb495a1b0307c749cc268df94a74</a></p><div style="clear:both;"></div>