Using St-Link/V2 To Program/Debug An External Stm32 Application; Table 4. Debug Connector Cn2 (Swd); Figure 8. St-Link Connections Image - ST STM32F401 User Manual

UM1669
4.2.2

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

It is very easy to use the ST-LINK/V2 to program the STM32 on an external application.
Simply remove the 2 jumpers from CN3 as shown in
to the CN2 debug connector according to
Note: SB13 must be OFF if you use CN2 pin 5 in your external application.
1
2
3
4
5
6

Table 4. Debug connector CN2 (SWD)

Pin
VDD_TARGET
SWCLK
GND
SWDIO
NRST
SWO

Figure 8. ST-Link connections image

DocID025174 Rev 1
Figure 8, and connect your application
Table 4.
CN2
VDD from application
SWD clock
Ground
SWD data input/output
RESET of target MCU
Reserved
Hardware layout
Designation
17/39
37