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4 usb ports overview, Usb ports overview – Kontron KTA70M-mITX User Manual

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KTD-N0861-B

Page 11

System Specification


KTA70M/mITX Users Guide

KTA70M/mITX Users Guide


3.4

USB ports overview

The KTA70M board contains two pairs of EHCI (Enhanced Host Controller Interface) and OHCI (Open Host
Controller Interface) in order to support up to 9 USB1.1/USB2.0 devices and further more two xHCI

(Extensible Host Controller Interface) to support up to 4 USB3.0 devices.

The OHCI controllers support USB1.1, Full-Speed (12Mbps) and Low-Speed (1.5Mbps).

The EHCI controllers support USB2.0, High-Speed (480Mbps).


The xHCI controllers support USB3.0, USB2.0 and USB 1.1, Super-Speed (5.0Gbps), High-Speed

(480Mbps), Full-Speed (12Mbps) and Low-Speed (1.5Mbps)

Legacy Keyboard/Mouse and wakeup from sleep states are supported. Over-current detection on all USB

ports except USB2.

USB #

USB standard

Connector location

HCI

Note

USB0
USB1

USB2.0 /USB1.1

Frontpanel (J5)

OHCI1/EHCI1

USB2

USB2.0 /USB1.1

mPCIe (J38)

OHCI1/EHCI1 No over current detection

USB3

USB2.0 /USB1.1

-

-

USB3 doesn’t exist

USB4

USB2.0 /USB1.1

Pin row (J16)

OHCI1/EHCI1

USB5

USB2.0 /USB1.1

Pin row (J16)

OHCI2/EHCI2

USB6

USB7
USB8

USB9

USB2.0 /USB1.1

USB quad stack (J20)

Rear IO

OHCI2/EHCI2

USB10

USB11

USB3.0/USB2.0/USB1.1 USB3.0 dual stack (J15)

Left - Rear IO

xHCI1

USB12

USB13

USB3.0/USB2.0/USB1.1 USB3.0 dual stack (J14)

Right - Rear IO

xHCI2


Notes:

In order to meet the requirements of USB standard, the 5V input supply must be at least 5.00V.

The contacts for USB devices are protected and suitable to supply USB devices with a maximum input current of

1000mA.
Do not supply external USB devices with higher power dissipation through these pinsTo protect the external power

lines of peripheral devices make sure that

- the wires have the right diameter to withstand the maximum available current.

- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.


This manual is related to the following products: