UM1670 Rev 4
17/32
UM1670
Hardware layout
31
6.3.5
Using ST-LINK/V2-B to program/debug
an external STM32 application
It is very easy to use the ST-LINK/V2-B to program the STM32 on an external application.
Simply remove the two jumpers from CN4 as shown in
to the CN2 debug connector according to
.
Note:
SB7 must be OFF if CN2 pin 5 is used in an external application.
Figure 8. ST-LINK/V2-B connections
Table 5. Debug connector CN2 (SWD)
Pin CN2
Designation
1
VDD_TARGET
VDD from application
2 SWCLK
SWD
clock
3 GND
Ground
4 SWDIO
SWD
data
input/output
5
NRST
RESET of target STM32
6 SWO
Reserved
