nrf52832 FCLK pinhttps://devzone.nordicsemi.com/f/nordic-q-a/23474/nrf52832-fclk-pinHi, My sensor uses SPI communication and need 32.768kHz external clock pin FCLK , I connect 32.768kHz clock to XL1 and XL2 but my problem is which pin can I use it for FCLK ?en-USTelligent Community 13Fri, 14 Jul 2017 08:45:01 GMTRE: nrf52832 FCLK pinhttps://devzone.nordicsemi.com/thread/92206?ContentTypeID=1Fri, 14 Jul 2017 08:45:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4c258ebe-434d-487e-9b7c-1d04507ab680bjorn-spockeli<p>You can use a GPIO pin on the nRF52832 to output a 32.768 kHz clock signal using the code from <a href="https://devzone.nordicsemi.com/question/92257/can-the-nrf52-output-the-32768khz-clock-on-a-gpio/">this</a> answer.</p><div style="clear:both;"></div>RE: nrf52832 FCLK pinhttps://devzone.nordicsemi.com/thread/92209?ContentTypeID=1Fri, 14 Jul 2017 00:47:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0a8961bf-b8e5-45b5-bcf6-4ff240801575Hk<p>How can I do it?</p><div style="clear:both;"></div>RE: nrf52832 FCLK pinhttps://devzone.nordicsemi.com/thread/92208?ContentTypeID=1Fri, 14 Jul 2017 00:44:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4d0ddc84-2bdf-4559-9a93-438d5e51a585RK<p>I&#39;m not convinced reading that data sheet that FCLK has to be synchronous in which case you could generate it separately and pipe it in.</p><div style="clear:both;"></div>RE: nrf52832 FCLK pinhttps://devzone.nordicsemi.com/thread/92207?ContentTypeID=1Fri, 14 Jul 2017 00:30:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0f145602-76b8-4830-9706-c6c6e1137a04Hk<p><a href="https://datasheets.maximintegrated.com/en/ds/MAX30003.pdf">datasheets.maximintegrated.com/.../MAX30003.pdf</a></p><div style="clear:both;"></div>RE: nrf52832 FCLK pinhttps://devzone.nordicsemi.com/thread/92205?ContentTypeID=1Thu, 13 Jul 2017 09:30:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cb392b3f-80b6-4297-b1a8-5b6ac8b4c4f9bjorn-spockeli<p>Could you provide a link to the datasheet of the sensor you&#39;re using?</p><div style="clear:both;"></div>RE: nrf52832 FCLK pinhttps://devzone.nordicsemi.com/thread/92210?ContentTypeID=1Wed, 12 Jul 2017 21:43:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bebad349-a3fe-45ad-80b0-f0b0f41942dbRK<p>What kind of SPI needs a frame clock? The SPI supported on the nRF series is normal SPI, just clock and data.</p><div style="clear:both;"></div>