https://devzone.nordicsemi.com/f/nordic-q-a/12346/nrf52-and-crystal-difficultiesHello, I made 10 custom board with nRF52 rev C, epson 128FA 128 32 MHZ, epson FC 135 32,768 KHz I have some difficulties to get crystals working. 10 of the CPU run code correctly (SWD programming and debugger) 2 of the 32 MHz crystal work (othersen-USTelligent Community 13Fri, 04 Mar 2016 14:34:56 GMThttps://devzone.nordicsemi.com/thread/46700?ContentTypeID=1Fri, 04 Mar 2016 14:34:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:52f76806-1692-4c9b-96b9-8a322084f5abFabien Comte<p>I found, parasite capacitors are probably higher than expected, i have do go to 10 pF and lower.</p><div style="clear:both;"></div>