Using The St-Link/V2 To Program/Debug An External Application; Table 5. Debug Connector Cn2 (Swd); Figure 8. 32L152Cdiscovery Connections - STMicroelectronics UM1079 User Manual

UM1079
4.2.2

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

The ST-LINK/V2 allows also to program an STM32 device on an external application.
Figure 9
application to the CN2 debug connector according to instructions in
Note: SB100 must be OFF if you the CN2 pin 5 is used in the external application.

Figure 8. 32L152CDISCOVERY connections

shows how to remove the 2 jumpers from CN3 and to connect the external

Table 5. Debug connector CN2 (SWD)

Pin
1
2
3
4
5
6
DocID018789 Rev 4
CN2
VDD_TARGET
SWCLK
GND
SWDIO
NRST
SWO
Hardware and layout
Table 5.
Designation
VDD from application
SWD clock
Ground
SWD data input/output
RESET of target MCU
Reserved
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