KTD-N0793-0
Page 41
KTGM45 Users Guide
3.11
USB Connectors (USB)
The KTGM45 board contains two Enhanced Host Controller Interface (EHCI) host controllers that support
USB 2.0 allowing data transfers up to 480Mb/s. The KTGM45 boards also contains Six Universal Host
Controller Interface (UHCI Revision 1.1) controllers that support USB full-speed and low-speed signalling.
The KTGM45 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 0 and 2 are supplied on the combined ETHER1, USB0, and USB2 connector.
USB Ports 1 and 3 are supplied on the internal FRONTPNL connector; please refer to the FRONTPNL
connector section for the pin-out.
USB Port 4 and 5 are supplied on the combined IEEE1394_1, USB4, and USB5 connector.
USB Port 6 and 7 are supplied on the USB6/7 internal pinrow connector.
USB Port 8 and 9 are supplied on the USB8/9 internal pinrow connector.
USB Port 10 and 11 are supplied on the USB10/11 internal 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
