Using St-Link/V2 To Program/Debug An External Stm32 Application; Table 5. Debug Connector Cn4 (Swd); Figure 6. St-Link Connections - ST STM32F072 User Manual

UM1690
5.1.2

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 CN5 as shown in
to the CN4 debug connector according to
Note: SB10 must be OFF if CN4 pin 5 is used by the external application.
Pin
1
2
3
4
5
6

Table 5. Debug connector CN4 (SWD)

CN4
VDD_TARGET
SWCLK
GND
SWDIO
NRST
SWO

Figure 6. ST-LINK connections

UM1690 Rev 3
Figure 6, and connect the application
Table 5.
VDD from application
SWD clock
Ground
SWD data input/output
Reset of the target MCU
Reserved
Hardware layout
Designation
13/27
26