
3.5"-SBC-VR1000 - User Guide, Rev. 1.7
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6.4.
USB Connectors (I/O Area)
The external I/O connector panel supports two dual USB 3.2 Gen 2 connectors for models with AMD Ryzen™ V1000
Series processors; and one dual USB 3.2 Gen 2 connector and one dual USB 2.0 connector for models with AMD
Ryzen™ R1000 Series processors.
USB 3.2 Gen 2 ports are backward compatible with USB 2.0.
Figure 8: USB 3.2 Gen 2 Connectors CN3 - Top & Bottom (V1000 model), CN4 - Top & Bottom
Table 16: Pin Assignment USB 3.2 Gen 2 / USB 2.0 Connectors CN3 - Top & Bottom (V1000 model), CN4 - Top &
Bottom
Pin
Signal
Description
Note
1
+USB_VCC*
+5 V power supply for USB device
2
USB_D-
USB 2.0 differential pair (-)
3
USB_D+
USB 2.0 differential pair (+)
4
GND
Ground
5
USB_RX-
USB 3.2 Gen 2 receiver differential pair (-)
6
USB 3.2 Gen 2 receiver differential pair (+)
7
GND
Ground
8
USB_TX-
USB 3.2 Gen 2 transmitter differential pair (-)
9
USB 3.2 Gen 2 transmitter differential pair (+)
Figure 9: USB 2.0 Connectors CN3 - Top & Bottom (R1000 model)
Table 17: Pin Assignment USB 2.0 Connectors CN3 - Top & Bottom (V1000 model)
Pin
Signal
Description
Note
1
+USB_VCC*
+5 V power supply for USB device
2
USB_D-
USB 2.0 differential pair (-)
3
USB_D+
USB 2.0 differential pair (+)
4
GND
Ground
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