https://devzone.nordicsemi.com/f/nordic-q-a/15433/nrf51822-vdd-2-4v-programming-via-jlink-liteHi, If I have a custom board with the NRF51822 operating at VDD=2.4V, would it be possible to program the part using Segger JLINK Lite programmer that comes with the dev-kit. Can I feed in VDD (2.4V) to the VTREF pin of JLINK Lite? If I understanden-USTelligent Community 13Mon, 08 Aug 2016 12:17:40 GMThttps://devzone.nordicsemi.com/thread/58921?ContentTypeID=1Mon, 08 Aug 2016 12:17:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:211bab23-9c96-4fb2-91eb-692e1850d118bjorn-spockeli<p>I think that the VTREF pin has to be fed with 3.3V.</p><div style="clear:both;"></div>