https://devzone.nordicsemi.com/f/nordic-q-a/41226/nrf-52840-crystalHi, is the crystal that the NRF 52840 DK has on P0.00 and P0.01 with a value of 32.768kHz necessary for Zigbee protocol? Best regards!en-USTelligent Community 13Sat, 08 Dec 2018 19:32:00 GMThttps://devzone.nordicsemi.com/thread/160839?ContentTypeID=1Sat, 08 Dec 2018 19:32:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d2132ed4-cf40-4e87-99f4-3ac84733e0e4inv4<p>Thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/160369?ContentTypeID=1Wed, 05 Dec 2018 12:32:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:819c8d90-8fdb-420e-b3a7-0cf288278a15haakonsh<p>No, but the examples in our SDK might. In that case you will have to change the LFCLK source to the internal RC oscillator.&nbsp;</p><div style="clear:both;"></div>