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Is it possible to program the nRF52840 dongle using the nRF52840-DK using SWD?

Is it possible to program the nRF52840 dongle using the nRF52840-DK using SWD?

I tried, but it failed. From the nRF52840 schematic, it looks the chip is running at 1.8V. This post says that it's not possible for the DK to program a 1.8V board. I just need confirmation from Nordic that this is true. 

I'd also appreciate any other suggestion on how I can use SWD to program the dongle.

Thanks!

 

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