STMicroelectronics B-G474E-DPOW1, Руководство пользователя

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14 Connectors
Eleven connectors are implemented on the B-G474E-DPOW1 product:
•
CN3: USB Micro-B
• CN2: USB Type-C
®
• CN1: Debug connector
• CN10: TAG connector
• CN8: Extension connector header
• CN9: Extension connector header
• CN7: VOUT connector header
• CN5, CN6, CN11, CN12: GND connector header
14.1
CN2 USB Type-C
®
receptacle connector
CN2 is a 24-pin double-row mid-mount connector compatible with USB Type-C
®
specifications and shown in
Figure 21 . It is compatible with V
BUS
current up to 3 A.
Figure 21. CN2 USB Type-C
®
receptacle connector (Upper front view)
The related pinout for the USB Type-C
®
connector is listed in Table 13 .
Table 13. USB Type-C
®
CN2 receptacle connector
Pin
number
Description Signal assignment
Pin
number
Description Signal assignment
B12 GND GND A1 GND GND
B11 RX1_P - A2 TX1_P -
B10 RX1_N - A3 TX1_N -
B9
V
BUS
USBPD_VBUS A4
V
BUS
USBPD_VBUS
B8 SBU2 - A5 CC1 USBPD_CC1
B7 DM2 USBPD_FS_DM A6 DP1 USBPD_FS_DP
B6 DP2 USBPD_FS_DP A7 DM1 USBPD_FS_DM
B5 CC2 USBPD_CC2 A8 SBU1 -
B4
V
BUS
USBPD_VBUS A9
V
BUS
USBPD_VBUS
UM2577
Connectors
UM2577 - Rev 2
page 33/54