https://devzone.nordicsemi.com/f/nordic-q-a/17006/only-use-uart-can-flash-all-softdevice-application-and-bootloader-into-chip-nrf51822Hi all, I have just buy a product use nrf51822 chip, I tried to find out SWIO and CLK pin out to flash but can not. Device only has RX and TX pin for Uart function, so I wonder this nrf51822 chip allows program all( Softdevice, Application and Bootloaderen-USTelligent Community 13Wed, 12 Oct 2016 10:38:06 GMThttps://devzone.nordicsemi.com/thread/65261?ContentTypeID=1Wed, 12 Oct 2016 10:38:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:73ba18e9-c0bc-4184-8633-dc18d07ae6b0Petter Myhre<p>What exactly have you bought? A development kit? A module?</p><div style="clear:both;"></div>