12 Board connectors
Several connectors are implemented on the STM32H5 Nucleo-144 board.
12.1
STLINK-V3EC USB Type-C
®
connector (CN1)
The USB Type-C
®
connector (CN1) is used to connect the embedded STLINK-V3EC to the PC for programming
and debugging purposes.
Figure 14. USB Type-C
®
connector (CN1) front view
The related pinout for the USB STLINK-V3EC connector is listed in Table 18.
Table 18. STLINK-V3EC USB Type-C
®
connector (CN1) pinout
Connector Pin number Pin name Signal name
STM32H5
pin
Function
CN1
A1 GND GND - Ground
A4 VBUS VBUS_STLK - Power
A5 CC1 STLK_UCPD_CC1_C PC3 USB-PD controller side for the CC1 pin
A6 D+ STLK_USB_P PB15 USB differential pair P
A7 D- STLK_USB_N PB14 USB differential pair M
A8 SBU1 - - -
A9 VBUS VBUS_STLK - Power
A12 GND GND - Ground
B1 GND GND - Ground
B4 VBUS VBUS_STLK - Power
B5 CC2 STLK_UCPD_CC2_C PC4 USB-PD controller side for the CC2 pin
B6 D+ STLK_USB_P PB15 USB differential pair P
B7 D- STLK_USB_N PB14 USB differential pair M
B9 VBUS VBUS_STLK - Power
B12 GND GND - Ground
UM3115
Board connectors
UM3115 - Rev 2
page 28/44
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