AU9228 データシートの表示（PDF） - Unspecified

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AU9228

USB KVM Controller

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1. Introduction

1.1 Description

AU9228 is a highly integrated single chip USB KVM controller offering users the

possibility of sharing keyboard, mouse and monitor among up to four PCs. Not like

traditional PS2 KVM devices, AU9228 uses USB as its upstream and downstream

interface to support its driver-free and plug-n-play features, which allow users to easily

install and use the KVM.

Typical application of AU9228 is under an environment, in which only one set of

monitor, keyboard and mouse is available. Applying such kind of devices in a

computing environment will not only result in a centralized control, but also reduce the

power and space consumption.

1.2 Features

Fully USB v1.1 specification compliant

Support USB bus power and device self power

Support up to 4 PCs via 4 USB upstream ports

Support USB downstream port 1 for USB keyboard

Support USB downstream port 2 for USB mouse

Support PS2 keyboard

Support both “panel button” and “hot key” to switch among PCs

Support “auto-scan” mode for users to monitor PCs easily

Support audio beep when system switches

Support upstream port selected LED indicators for each PC respectively

Support phantom keyboard to let user does not need to configure BIOS to turn

on “No halt on error”

Support 4 different sets of key sequence to switch among PCs (Please see the

key definition in the following)

Recalls “Caps Lock”, “Num Lock” and “Scroll Lock” keys’ status for each PC

automatically

Output the monitor selection signals to the external video-switching circuits

Support 8-bit MCU interface to provide control from external MCU

Support serial MCU interface to provide control from external MCU

No need to install device driver under Windows, Macintosh, Linux, FreeBSD

and Sun system

AU9228 USB KVM Controller V1.01W

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