STMicroelectronics B-L462E-CELL1, Руководство пользователя

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8.9 USB connector for UART
This USB connector is used to connect the UARTs of the modem to debug and update the modem in
LBAD0ZZ1SE. Refer to
Figure 11 for pin
‑
number location.
The user must refer to Murata documentation describing how to use the debug interface.
Table 13. USB connector for UART
Connector Pin number Pin name Signal name Function
CN10
1 VBUS UartUsbVbus Power
2 DM USBDM USB UART -
3 DP USBDP USB UART +
4 ID - -
5 GND GND Power
8.10 USB connector for power
This USB connector is only used to power the whole system and it has no communication functions. Refer to
Figure 11 for pin
‑
number location.
Table 14. USB connector for power
Connector Pin number Pin name Signal name Function
CN11
1 VBUS 5V_USB_PWR Power
2 DM - -
3 DP - -
4 ID - -
5 GND GND Power
UM2743
USB connector for UART
UM2743 - Rev 1
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