Kontron KTGM45-mITX - Manual (Page 44)

KTGM45 Users Guide
KTD-N0793-O Page 44
3.11 USB Connectors (USB)
The KTGM45 contains two Enhanced Host Controller Interface (EHCI#1 and EHCI#2) that support USB 2.0
allowing data transfers up to 480Mb/s. The KTGM45 boards also contains Six Universal Host Controller
Interface (UHCI#1 – UHCI#6 all Revision 1.1) that support USB full-speed and low-speed signalling.
The KTGM45 supports twelve USB ports (USB0 – USB11). All twelve ports are high-speed (USB2.0)
capable, and full-speed/low-speed (USB1.1) capable. All USB ports also support USB Legacy mode and
over-current detection.
USB0 - USB11 locations:
USB0/USB2 (UHCI#1/EHCI#1)/(UHCI#2/EHCI#1): combined ETHER1, USB0, and USB2 connector.
USB1/USB3 (UHCI#1/EHCI#1)/(UHCI#2/EHCI#1): internal FRONTPNL connector.
USB4/USB5 (UHCI#3/EHCI#1)/(UHCI#3/EHCI#1): combined IEEE1394_1, USB4, and USB5 connector.
USB6/USB7 (UHCI#4/EHCI#2)/(UHCI#4/EHCI#2): internal USB6/7 pinrow connector.
USB8/USB9 (UHCI#5/EHCI#2)/(UHCI#5/EHCI#2): internal USB8/9 pinrow connector.
USB10/USB11 (UHCI#6/EHCI#2)/(UHCI#6/EHCI#2): internal USB10/11 pinrow connector.
Note: It is required to use only HiSpeed USB cable, specified in USB2.0 standard:
3.11.1 USB Connector 0/2 (USB0/2)
USB Ports 0 and 2 are mounted together with ETHER1 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 USB2- USB2+ IO 0.25/2 /15K
1 - - PWR 5V/SB5V 1 2 3 4 GND PWR - -
/15K 0.25/2 IO USB0- USB0+ IO 0.25/2 /15K
Signal Description
USB0+ USB0-
USB2+ USB2-
Differential pair works as Data/Address/Command Bus.
5V/SB5V 5V supply for external devices. SB5V is supplied during powerdown to allow wakeup
on USB device activity. Protected by resettable 1.1A fuse covering both USB ports.
Connector Definitions