MITX-DNV0 Series - User Guide, Rev. 1.2
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6.3.
USB Connectors (I/O Area)
The external I/O connector panel supports two dual USB 3.0 connectors.
USB3.0 ports are backward compatible with USB2.0.
Figure 6: USB 3.0 Connector CN22, CN23
Table 13: Pin Assignment USB3.0 / USB2.0 Connector CN22, CN23
Pin
Signal
Note
Top
18
USB 3.0 Tx. Differential Pair (+)
17
USBB_TX-
USB 3.0 Tx. Differential Pair (-)
16
GND
15
USB 3.0 Tx. Differential Pair (+)
14
USBB_RX-
USB 3.0 Tx. Differential Pair (-)
13
GND
12
USBB_D-
USB 2.0 Differential Pair (+)
11
USBB_D-
USB 2.0 Differential Pair (-)
10
+USBB_VCC* +5 V Supply for USB device
Bottom
9
USB 3.0 Tx. Differential Pair (+)
8
USBA_TX-
USB 3.0 Tx. Differential Pair (-)
7
GND
6
USB 3.0 Tx. Differential Pair (+)
5
USBA_RX-
USB 3.0 Tx. Differential Pair (-)
4
GND
3
USBA_D-
USB 2.0 Differential Pair (+)
2
USBA_D-
USB 2.0 Differential Pair (-)
1
+USBA_VCC* +5 V Supply for USB device
* The power source of +USBVCC can be selected by JP2.
