Kontron KTQ45-FLEX - Manual (Page 38)

KTD-00782-I KTQ45 family Page 38 of 92
3.10 USB Connectors (USB)
The KTQ45 board contains two Enhanced Host Controller Interface (EHCI) host controllers that support USB
2.0 allowing data transfers up to 480Mb/s. The KTQ45 boards also contains Six Universal Host Controller
Interface (UHCI Revision 1.1) controllers that support USB full-speed and low-speed signalling.
The KTQ45 board supports a total of twelve USB 2.0 ports. All twelve ports are high-speed, full-speed, and
low-speed capable and USB Legacy mode is supported.
Over-current detection on all twelve USB ports is supported.
USB Port 2 and 3 are supplied on the combined ETHER2, USB2, and USB3 connector.
USB Port 4 and 5 are supplied on the combined ETHER1, USB4, and USB5 connector.
USB Port 0, 1, 6 and 7 are supplied on the combined USB0, USB1, USB6, USB7 connector.
USB Port 8 and 9 are supplied on the USB8 USB9 on the internal USBC1 connector.
USB Ports 10 and 11 are supplied on the internal FRONTPNL connector; please refer to the FRONTPNL
connector section for the pin-out.
Note: It is required to use only HiSpeed USB cable, specified in USB2.0 standard:
3.10.1 USB Connector 2/3 (USB2/3)
USB Ports 2 and 3 are mounted together with ETHER2 Ethernet port.
Note 1: In order to meet the requirements of USB standard, the 5V input supply must be at least 5.00V.
Note Pull
U/D Ioh/Iol Type Signal
PIN Signal Type Ioh/Iol Pull
U/D Note
1 - - PWR 5V/SB5V 1 2 3 4 GND PWR - -
/15K 0.25/2 IO USB3- USB3+ IO 0.25/2 /15K
1 - - PWR 5V/SB5V 1 2 3 4 GND PWR - -
/15K 0.25/2 IO USB2- USB2+ IO 0.25/2 /15K
Signal Description
USB2+ USB2-
USB3+ USB3-
Differential pair works as Data/Address/Command Bus.
5V/SB5V 5V supply for external devices. SB5V is supplied during power down to allow wakeup on
USB device activity. Protected by resettable 1.1A fuse covering both USB ports.