MITX-CFL0 Series - User Guide, Rev. 1.1
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6.4.
USB Connectors (I/O Area)
The external I/O connector panel supports two USB 2.0 connectors and two USB 3.0 connectors.
USB 3.0 ports are backward compatible with USB 2.0.
Figure 8: USB 2.0 Connectors USB_LANB USB 2.0 Port 2 / 3
Table 14: Pin Assignment USB 2.0 Connectors USB_LANB USB 2.0 Port 2 / 3
Pin
Signal
Description
Note
1
+USBVCC
+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
Figure 9: USB 3.0 Connector USB30_LANA USB 3.0 Port 0 / 1
Table 15: Pin Assignment USB 3.0 Connector USB30_LANA USB 3.0 Port 0 / 1
Pin
Signal
Description
Note
1
+USBVCC
+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
USB3_SSRX-
USB 3.0 receiver differential pair (-)
6
US
USB 3.0 receiver differential pair (+)
7
GND
Ground
8
USB3_SSTX-
USB 3.0 transmitter differential pair (-)
9
US
USB 3.0 transmitter differential pair (+)
For HiSpeed rates it is required to use a USB cable, which is specified in USB 2.0 standard:
