Board connectors UM2407
34/48 UM2407 Rev 1
7 Board connectors
Several connectors are implemented on the STM32H7 Nucleo-144 board.
7.1 STLINK-V3 USB Micro-B connector CN1
The USB Micro-B connector CN1 is used to connect embedded STLINK-V3 to the PC for
the programming and debugging purposes.
Figure 15. USB Micro-B connector CN1 (front view)
The related pinout for the USB ST-LINK connector is listed in Table 15.
Table 15. USB Micro-B connector pinout
Connector
Pin
number
Pin
name
Signal name
ST-LINK
MCU pin
Function
CN1
1 VBUS 5V_USB_CHGR - 5 V power
2 DM USB_DEV_HS_CN_N PB14
USB differential pair
N
3 DP USB_DEV_HS_CN_P PB15
USB differential pair
P
4 ID - - -
5 GND - - GND
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