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UM1690 Rev 3 13/27

UM1690 Hardware layout

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 Figure 6, and connect the application

to the CN4 debug connector according to Table 5.

Note: SB10 must be OFF if CN4 pin 5 is used by the external application.

Figure 6. ST-LINK connections

Table 5. Debug connector CN4 (SWD)

Pin CN4 Designation

1 VDD_TARGET VDD from application

2 SWCLK SWD clock

3 GND Ground

4 SWDIO SWD data input/output

5 NRST Reset of the target MCU

6 SWO Reserved

ST STM32F072 User Manual

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