Kontron KTQ77-FLEX - Manual (Page 31)

KTQ77/Flex Users Guide
KTD-N0848-C Page 31
5.3 USB Connectors (IO Area)
The KTQ77 board contains two EHCI (Enhanced Host Controller Interface) and one XHCI (Extensible
Host Controller Interface). The two EHCI controllers, EHCI1 and EHCI2, supports up to fourteen USB
2.0 ports allowing data transfers up to 480Mb/s. The XHCI controller supports four USB 3.0 ports
allowing data transfers up to 5Gb/s. The four USB 3.0 ports are shared with four of the USB 2.0 ports
(USB0 – USB3) from the EHCI1.
Legacy Keyboard/Mouse and wakeup from sleep states are supported. Over-current detection on all
fourteen USB ports is supported. The following USB connectors are available in the IO Area.
USB Port 0 and 1 (via EHCI1/XHCI) are supplied on the combined USB0, USB1 and DP0 connector.
USB Port 2 and 3 (via EHCI1/XHCI) are supplied on the combined USB2, USB3 and DP1 connector.
USB Port 4 and 5 (via EHCI1) are supplied on the combined ETH1, USB4 and USB5 connector.
Note:
For USB2.0 cabling it is required to use only HiSpeed USB cable, specified in USB2.0 standard:
For USB3.0 cabling it is required to use only HiSpeed USB cable, specified in USB3.0 standard:
IO-Area Connectors