3 usb connectors (io area), 1 usb connector 0/1/2/3 (usb0/1/2/3), Usb connectors (io area) – Kontron KTQ67-FLEX MED User Manual
Page 30: Usb connector 0/1/2/3 (usb0/1/2/3), Io-area connectors
KTQ67/Flex -Medical Users Guide
KTD-N0849-D Page 30
5.3 USB Connectors (IO Area)
The KTQ67/Flex-Medical board contains two EHCI (Enhanced Host Controller Interface) host
controllers (EHCI1 and EHCI2) that support up to fourteen USB 2.0 ports, twelve are available on the
KTQ67/Flex-Medical. The USB2.0 ports allowing data transfers up to 480Mb/s and 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 - 3 (all via EHCI1) are supplied on the combined USB0, USB1, USB2 and USB3 connector.
Note: It is required to use only HiSpeed USB cable, specified in USB2.0 standard:
5.3.1 USB Connector 0/1/2/3 (USB0/1/2/3)
USB Ports 0, 1, 2 and 3 are mounted in a common stack connector.
Note Type
Signal
PIN
Signal Type Note
1
PWR 5V/SB5V
1 2 3 4
GND
PWR
IO
USB0-
USB0+
IO
1
PWR 5V/SB5V
1 2 3 4
GND
PWR
IO
USB1-
USB1+
IO
1
PWR 5V/SB5V
1 2 3 4
GND
PWR
IO
USB2-
USB2+
IO
1
PWR 5V/SB5V
1 2 3 4
GND
PWR
IO
USB3-
USB3+
IO
Note 1: In order to meet the requirements of USB standard, the 5V input supply must be at least 5.00V.
Signal
Description
USB0+ USB0-
USB1+ USB1-
USB2+ USB2-
USB3+ USB3-
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 1A fuse for each USB ports.
IO-Area Connectors