nrf52832 FCLK pin

[Hk]

Hi,

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 ?

[bjorn-spockeli]

You can use a GPIO pin on the nRF52832 to output a 32.768 kHz clock signal using the code from this answer.