1. Manuals
  2. Brands
  3. Alcor Manuals
  4. Matrix Switcher
  5. AU9228
  6. Reference manual

Alcor AU9228 Reference Manual

Usb kvm controller
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
AU9228
USB KVM Controller
Technical Reference Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the AU9228 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Alcor AU9228

Summary of Contents for Alcor AU9228

  • Page 1 AU9228 USB KVM Controller Technical Reference Manual...
  • Page 2 AU9228 USB KVM Controller...
  • Page 3 Copyright © 1997 - 2007. Alcor Micro, Corp. All Rights Reserved. No part of this data sheet may be reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without prior written permission from Alcor Micro, Corp.
  • Page 4 <Memo>...

  • Page 5: Table Of Contents

    1.2 Features..................1 2. Application Block Diagram ........2 3. Pin Assignment ............3 4. System Architecture and Reference Design ..8 4.1 AU9228 Block Diagram ...............8 5. Hot Key Definition ..........9 5.1 [Scroll]++[Scroll] mode ...............9 5.2 [Caps]++[Caps] mode..............9 5.3 [Num]++[Num] Mode ..............10 5.4 [Ctrl]+[Shift] mode (left-hand side) ..........10...
  • Page 6 List of Figures Figure 2.1 Block Diagram..............2 Figure 3.1 Pin Assignment Diagram ..........3 Figure 4.1 AU9228 Block Diagram ...........8 Figure 6.1 Crystal Oscillator Circuit Setup for Characterization ...13 Figure 6.2 Latch-Up Test Circuits ............15 Figure 7.1 Mechanical Information Diagram ........16 List of Tables Table 3.1 Pin Descriptions ..............4...

  • Page 7: Introduction

    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.

  • Page 8: Application Block Diagram

    USB cable Monitor Cable Monitor cable Monitor cable USB cable Monitor and Audio swtiching box AU9228 KVM Selection (6x) (Relay device ) Auto-swtich mode default button x 5 Audio Devices Keyboard PS2 Keyboard Monitor Mouse AU9228 USB KVM Controller V1.01W...

  • Page 9: Pin Assignment

    3. Pin Assignment The AU9228 is delivered in 64pin LQFP form factor. Documented below is a figure shows signal names of each pin and a table in the following page describes each pin in more details. Figure 3.1 Pin Assignment Diagram...

  • Page 10: Table 3.1 Pin Descriptions

    Panel button with internal pull-up for enabling SYS4BUTTONN system 4 (0: Enable; 1: Normal) Chip enable for the MCU interface when SWITCHMODE2='1' and EXTCPUMOD='1' (0: Enable) Read strobe for the MCU interface when SWITCHMODE2='1' and EXTCPUMOD='1' (0: Enable) DOWNUSB2_DP DownPort2 DP AU9228 USB KVM Controller V1.01W...
  • Page 11 SWITCHMODE2='0' and D2='1' Bit 2 with internal pull-down in address/data bus of MCU interface when SWITCHMODE2='1' and EXTCPUMOD='1'. It also provides alternative functions: address (slave mode) when SWITCHMODE2='1' and EXTCPUMOD='0' master mode enable when SWITCHMODE2='0' AU9228 USB KVM Controller V1.01W...
  • Page 12 Upstream port 2 DM UPUSB3_DP Upstream port 3 DP UPUSB3_DM Upstream port 3 DM UPUSB4_DP Upstream port 4 DP UPUSB4_DM Upstream port 4 DM UP1LEDN System 1 LED indicator (0:ON; 1:OFF) UP2LEDN System 2 LED indicator (0:ON; 1:OFF) AU9228 USB KVM Controller V1.01W...
  • Page 13 Pin # Pin Name Description UP3LEDN System 3 LED indicator (0:ON; 1:OFF) BVSS Ground pin of internal regulator AU9228 USB KVM Controller V1.01W...

  • Page 14: System Architecture And Reference Design

    4. System Architecture and Reference Design Figure 4.1 AU9228 Block Diagram Host 1 Host 2 Host 3 Host 4 USB Protocol USB Protocol USB Protocol USB Protocol Engine Engine Engine Engine Downstream Downstream Downstream Downstream Port Port Port Port Downstream...

  • Page 15: Hot Key Definition

    5. Hot Key Definition AU9228 supports 4 sets of “Hot Key” to help users to switch PC, rapidly and easily, via hot key sequence defined using keypads on the left hand side of a keyboard. Hot Key Definition [Scroll] ++ [Scroll] + 1 (note1)

  • Page 16: Num]++[Num] Mode

    “1”. If system receives “Scroll ++ Scroll” command only, system will reset the buffer when it does not receive any input comes after within a defined interval of time (say, 5 seconds). AU9228 USB KVM Controller V1.01W...
  • Page 17 Auto-scan rate set 【N】number Second Note 4: GPO 2 GPO 1 GPO 0 Function key +F1 Function key +F2 Function key +F3 Function key +F4 Function key +F5 Function key +F6 Function key +F7 Function key +F8 AU9228 USB KVM Controller V1.01W...

  • Page 18: Electrical Characteristics

    Table 6.3 DC Electrical Characteristics of 3.3V I/O Cells Limits SYMBOL PARAMETER CONDITIONS UNIT Input Low Voltage CMOS Input Hight Voltage CMOS Output low voltage IOL=4mA, 16mA Output high voltage IOH=4mA,16mA Input Pull-up/down Vil=0V or 10k/20 KΩ resistance Vih=VCC AU9228 USB KVM Controller V1.01W...

  • Page 19: Crystal Oscillator Circuit Setup For Characterization

    Zap Interval : 1 second Number of Zaps : 3 positive and 3 negative at room temperature Critera : I-V Curve Tracing Table 6.4 ESD Data Model Model TARGET Results Vdd, Vss, I/C 2000V Vdd, Vss, I/C 200V AU9228 USB KVM Controller V1.01W...

  • Page 20: Latch-Up Test Results

    2. PUT: Pin Under Test. Icc Measurement V Supply 1 Source Untested under under Output Open test test Circuit Untested Input Tied to V supply Trigger Source Test Circuit : Positive Input/ output Overvoltage /Overcurrent AU9228 USB KVM Controller V1.01W...

  • Page 21: Figure 6.2 Latch-Up Test Circuits

    V Supply Untested Output Open Circuit All Input Tied to V supply Supply voltage Test Figure 6.2 Latch-Up Test Circuits Model Model Voltage (v)/ Current (mA) Results 11.0 Voltage 11.0 Current Vdd-Vxx Table 6.5 Latch–Up Data AU9228 USB KVM Controller V1.01W...

  • Page 22: Mechanical Information

    12.00 BSC DAMBAR PROTRUSION. ALLOWABLE 10.00 BSC DAMBAR PROTRUSION SHEALL NOT 12.00 BSC CAUSE THE LEAD WIDTH TO EXCEED 10.00 BSC THE MAXIMUM b DIMENSION BY MORE THAN 0.08mm. 0.50 BSC 0.45 0.75 1.00 REF AU9228 USB KVM Controller V1.01W...

  • Page 23: Abbreviations

    USB and IEEE 1394. The company offers a range of semiconductors including controllers for USB hub, integrated keyboard/USB hub and USB Flash memory card reader…etc. Alcor Micro, Corp. is based in Taipei, Taiwan, with sales offices in Taipei, Japan, Korea and California. Alcor Micro is distinguished by its ability to provide innovative solutions for spec-driven products.
  • Page 24 This datasheet has been downloaded from: www.EEworld.com.cn Free Download Daily Updated Database 100% Free Datasheet Search Site 100% Free IC Replacement Search Site Convenient Electronic Dictionary Fast Search System www.EEworld.com.cn All Datasheets Cannot Be Modified Without Permission Copyright © Each Manufacturing Company...

Table of Contents