Hardware layout UM1669
16/39 DocID025174 Rev 1
4.2.1 Using ST-LINK/V2 to program/debug the STM32F401 on board
To program the STM32F401 on board, simply plug in the two jumpers on CN3, as shown in
Figure 7 in red, but do not use the CN2 connector as that could disturb communication with
the STM32F401VCT6 of the STM32F401 Discovery board.
Figure 7. STM32F401 Discovery board connections image