https://devzone.nordicsemi.com/f/nordic-q-a/54720/nrf52840-pwm-needs-a-pull-upI am currently working on getting a pwm to work on port 0 pin 1. I am using the dev board, and a custom board. when I use pwm_pin_set_usec ( pwm_dev , 1 , 5000 , 25 00 ) ; it will only work when I add a pull up on the line. if i try to use port 0en-USTelligent Community 13Fri, 22 Nov 2019 13:11:12 GMThttps://devzone.nordicsemi.com/thread/221564?ContentTypeID=1Fri, 22 Nov 2019 13:11:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6997e453-9901-48c8-8912-2b5080974eddketiljo<p>Pin 0 and 1 are by default connected to the 32 kHz crystal on the DK, see the <a href="https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/nrf52840_DK/hw_32khz_crystal.html?cp=4_0_4_7_7">documentation</a>.&nbsp;</p><div style="clear:both;"></div>