Using Nucleo STLink to Flash Off-board Chips

Standard Board Interface

Pin	Signal (DUT's side)	Color
1	GND	Brown
2	3V3	Red
3	SWCLK	Orange
4	SWDIO	Yellow
5	RX (STLINK -> DUT)	Blue
6	TX (DUT -> STLINK)	Green

Nucleo Pinout

Example Connection