Using St-Link/V2-1 To Program/Debug An External Stm32 Application; Table 6. Debug Connector Cn11 (Swd); Figure 7. Nucleo-G070Rb Or Nucleo-G071Rb Connections Image - ST STM32 Nucleo-64 User Manual

Hardware layout and configuration
6.4.4

Using ST-LINK/V2-1 to program/debug an external STM32 application

It is very easy to use the ST-LINK/V2-1 to program the STM32 on an external application.
Simply remove the 2 jumpers from CN4 as shown in
to the CN11 debug connector according to
Note: SB19 must be OFF if you use CN11 pin 5 in your external application.
1
2
3
4
5
6
14/44

Figure 7. NUCLEO-G070RB or NUCLEO-G071RB connections image

Table 6. Debug connector CN11 (SWD)

Pin
Table 6.
CN11
VDD_TARGET
SWCLK
GND
SWDIO
NRST
SWO
UM2324 Rev 2
Figure 8, and connect your application
Designation
VDD from application
SWD clock
Ground
SWD data input/output
RESET of target MCU
Reserved
UM2324