https://test-devzone.nordicsemi.com/f/nordic-q-a/88903/pullup-of-rx-pin-of-uarte-of-nrf52840Hi, My customer use nRF52840 with nRF5 SDK 15.0.0. They have come up against the difficulty that uart RX pin instability. I have searched the DevZone and it's advised to have a pullup resistor on the RX pin. What I want to know is, can I use internalen-USTelligent Community 13 Non-ProductionTue, 14 Nov 2017 10:43:53 GMT