Alcor Micro AU9226 Technical Reference Manual

Usb kvm controller

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AU9226

USB KVM Controller

Technical Reference Manual

Table of Contents

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Summary of Contents for Alcor Micro AU9226

Page 1 AU9226 USB KVM Controller Technical Reference Manual...
Page 2 AU9226 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 ..7 4.1 AU9226 Block Diagram ...............7 5. Hot Key Definition ..........8 5.1 [Scroll]++[Scroll] mode ...............8 5.2 [Caps]++[Caps] mode..............8 5.3 [Num]++[Num] Mode ..............9 5.4 [Ctrl]+[Shift] mode (left-hand side) ..........9...
Page 6 List of Figures Figure 2.1 Block Diagram..............2 Figure 3.1 Pin Assignment Diagram ..........3 Figure 4.1 AU9226 Block Diagram ...........7 Figure 6.1 Crystal Oscillator Circuit Setup for Characterization ...12 Figure 6.2 Latch-Up Test Circuits ............14 Figure 7.1 Mechanical Information Diagram ........15 List of Tables Table 3.1 Pin Descriptions ..............4...
Page 7: Introduction
KVM. Typical application of AU9226 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
PC 2 USB cable USB cable Monitor Cable Monitor cable Monitor and Audio AU9226 KVM Selection (3x) swtiching box (Relay device ) Auto-swtich mode default button x 1 Audio Devices Keyboard PS2 Keyboard Monitor Mouse AU9226 USB KVM Controller V1.01W...
Page 9: Pin Assignment
3. Pin Assignment The AU9226 is delivered in 48pin 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
DownPort1 DP DOWNUSB1_DM DownPort1 DM Read strobe for the MCU interface when SWITCHMODE2='1' and EXTCPUMOD ='1' (0: Enable; 1: Normal) External MCU mode selection (1: Parallel; 0: EXTCPUMOD Serial). Serial is the default mode. Digital ground AU9226 USB KVM Controller V1.01W...
Page 11 Monitor Select : ('0' : Monitor1 Select ; ‘1’ : MONITOREN0 Monitor2 Select) Data3 or Address3 when SWITCHMODE2='1' and EXTCPUMOD='1'; I2C slave address1 when SWITCHMODE2='1' and EXTCPUMOD='0'; Data4 or Address4 when SWITCHMODE2='1' and EXTCPUMOD='1'; I2C slave address2 when SWITCHMODE2='1' and EXTCPUMOD='0'; AU9226 USB KVM Controller V1.01W...
Page 12 Data7 or Address7 when SWITCHMODE2='1' and EXTCPUMOD='1' UPUSB1_DP Upstream Port 1 DP UPUSB1_DM Upstream Port 1 DM UPUSB2_DP Upstream Port 2 DP UPUSB2_DM Upstream Port 2 DM UP1LEDN System 1 LED Indicator UP2LEDN System 2 LED Indicator AU9226 USB KVM Controller V1.01W...
Page 13: System Architecture And Reference Design
4. System Architecture and Reference Design Figure 4.1 AU9226 Block Diagram Host 1 Host 2 USB Protocol USB Protocol Engine Engine Downstream Downstream Port Port Downstream Downstream Switch Port Data Port Data Detection Checker Multiplexor port 1: USB Keyboard; port 2: USB Mouse; PS2 port: PS2 Keyboard...
Page 14: Hot Key Definition
5. Hot Key Definition AU9226 supports 2 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 15: Num]++[Num] Mode
Note 2: Audible feedback when beeper is ON and keep the device in silent mode when beeper is OFF. Note 3: n = number from 1 to 9, each represents 5 seconds’ interval latency to 60 seconds correspondingly. AU9226 USB KVM Controller V1.01W...
Page 16 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 AU9226 USB KVM Controller V1.01W...
Page 17: 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 AU9226 USB KVM Controller V1.01W...
Page 18: 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 AU9226 USB KVM Controller V1.01W...
Page 19: 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 AU9226 USB KVM Controller V1.01W...
Page 20: 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 AU9226 USB KVM Controller V1.01W...
Page 21: Mechanical Information
7.00 BSC DAMBAR PROTRUSION. ALLOWABLE 9.00 BSC DAMBAR PROTRUSION SHALL NOT 7.00 BSC CAUSE THE LEAD WIDTH TO EXCEED 0.5 BSC THE MAXIMUM b DIMENSION BY MORE THAN 0.08mm 0.17 0.27 0.45 0.75 1 REF AU9226 USB KVM Controller V1.01W...
Page 22: 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.