STMicroelectronics B-L462E-CELL1, User Manual, Page: 25 / 58

8.7 USB connector for the user device
This USB connector is used to connect the USB device port in the STM32L462REY6TR microcontroller. Refer to
Figure 11 for pin
‑
number location.
This USB connector can be used for communication with external-host USB. USB driver is delivered as part of
STM32Cube MCU Package including CDC and mass-storage device classes.
Table 11. USB connector for the user device
Connector Pin number Pin name Signal name STM32L4 pin Function
CN8
1 VBUS VBUS - Power
2 DM USB_DM PA11 USB Device -
3 DP USB_DP PA12 USB
4 ID - - -
5 GND GND - Power
Figure 11. USB Micro-B connector (front view)
8.8 USB connector for ST-LINK
This USB connector is used to connect the embedded ST-LINK/V2-1 to the PC to program and debug the
STM32L462REY6TR microcontroller. Refer to
Figure 11 for pin
‑
number location.
Table 12. USB connector for ST-LINK
Connector Pin number Pin name Signal name ST-LINK MCU pin Function
CN9
1 VBUS 5V_USB_CHG - Power
2 DM STL_USB_D_N PA11 USB ST-LINK -
3 DP STL_USB_D_P PA12 USB ST-LINK +
4 ID - - -
5 GND GND - Power
UM2743
USB connector for the user device
UM2743 - Rev 1
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