Usb Connectors (I/O Area); Table 15: Pin Assignment Usb3.0 / Usb2.0 Connectors Cn13, Cn14; Figure 8: Usb 3.0 / Usb 2.0 Connectors Cn13, Cn14 - Kontron ECX-KBL-U User Manual

6.4. USB Connectors (I/O Area)

The ECX-KBL-U contains an xHCI (Enhanced Host Controller Interface) controller that supports four USB3.0 ports
allowing data transfer up to 5Gb/s. Four of the USB3.0 ports are shared with four of the USB2.0 ports (Port 1 - Port 4).
Not all USB2.0 and USB3.0 ports are physically connected to the board.
USB3.0 ports are backward compatible with USB2.0.

Figure 8: USB 3.0 / USB 2.0 Connectors CN13, CN14

Table 15: Pin Assignment USB3.0 / USB2.0 Connectors CN13, CN14

Pin Signal Note
Top
18 USBB_TX+ USB 3.0 Tx. Differential Pair (+)
17 USBB_TX- USB 3.0 Tx. Differential Pair (-)
16 GND
15 USBB_RX+ 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 USBA_TX+ USB 3.0 Tx. Differential Pair (+)
8 USBA_TX- USB 3.0 Tx. Differential Pair (-)
7 GND
6 USBA_RX+ 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 JP7.
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