MITX-V1K0 Series - User Guide, Rev. 1.0
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7.5.
USB Connectors (Internal) (CN27 & CN29 / USB1)
The USB port pin header CN27 supports two USB 2.0 ports and the USB port wafer CN29 supports one USB 2.0 port.
The wafer CN29 can be replaced with an onboard USB 2.0 Type A 90° connector (USB1). The default assembly
configuration is the wafer CN29.
Figure 17: USB 2.0 Port DN_1, DN_2 Pin Header CN27
Table 22: Pin Assignment CN27
Pin
Signal
Description
Note
1
+USBVCC
5 V supply. SB5V is supplied during power down to allow wakeup.
2
+USBVCC
5 V supply. SB5V is supplied during power down to allow wakeup.
3
USB_A-
USB 2.0 differential pair (-) for channel A
4
USB_B-
USB 2.0 differential pair (-) for channel B
5
USB_A+
USB 2.0 differential pair (+) for channel A
6
USB_B+
USB 2.0 differential pair (+) for channel B
7
GND
Ground
8
GND
Ground
9
KEY
10
GND
Ground
Figure 18: USB 2.0 Port 5 Wafer CN29
Table 23: Pin Assignment CN29
Pin
Signal
Description
Note
1
+USBVCC
5 V power supply
2
USB_-
USB 2.0 differential pair (-)
3
USB_+
USB 2.0 differential pair (+)
4
GND
Ground
Figure 19: USB 2.0 Connector USB1
6
1
3
10
4
5
2
8
7