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AU9223 USB KVM Controller V1.00

Official Release_ Public

4.0 System Architecture and

Reference Design

4.1 AU9223 Block Diagram

Figure 4.1 AU9223 Block Diagram

USB Protocol

Engine

USB

Protocol Engine

Downstrea

m

Port Data

Check

Downstream

Port Control

Downstream

Port Control

Downstream

Port

Data Mux

Port 4

Port 4

Port 1,2,3

Host 1

Host 2

Switch

Detection

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Содержание AU9223

Страница 1: ...a at ta a B Bo oo ok k AU9223 USB KVM Controller Technical Reference Manual P Pr ro od du uc ct t S Sp pe ec ci if fi ic ca at ti io on n Official Release Revision 1 00 Public Nov 2005 www DataSheet4U...

Страница 2: ...s target or goal specifications for product development Preliminary specification This data sheet contains preliminary data supplementary data may be published later Product specification This data sh...

Страница 3: ...mentioned in this document may be the trademarks or registered trademarks of their manufacturers Disclaimer Alcor Micro Corp reserves the right to change this product without prior notice Alcor Micro...

Страница 4: ...Block Diagram 11 5 Hot Key Definition 12 5 1 Scroll Scroll mode 12 5 2 Caps Caps mode 12 5 3 Num Num mode 13 5 4 Ctrl Shift mode 13 6 Electrical Characteristics 16 6 1 Recommended Operating Condition...

Страница 5: ...1 Crystal Oscillator Circuit Setup for Characterization 17 6 2 Latch Up Test Results 18 7 1 Mechanical Information Diagram 20 List of Tables 3 1 Pin Descriptions 9 6 1 Recommended Operating Condition...

Страница 6: ...Windows Macintosh and Linux operating system Support 2 PC 2 USB upstream ports and three downstream ports for keyboard mouse and one spare port Support PS2 Keyboard Support Push Button on KVM device t...

Страница 7: ...nvironment where it demands a centralized control and space energy saving is critical Figure 2 1 AU9223 Application Block Diagram AU9223 KVM Port 1 Port 2 Monitor swtiching box Relay device Monitor PC...

Страница 8: ...C5V BVCC BVSS SWITCHN IOSWITCHN BUS_PWRD BEEP DP4_PWRUP VCC SWITCHMODE0 SWITCHMODE1 Virtual_KBD_Port2 PS2_CLK No Connectio PS2_DAT No Connectio Reserved Reserved GPO1 GPO0 Reserved GPO2 ALCOR MICRO AU...

Страница 9: ...SYS1BUTTONN I System1 Enable 0 Enable 1 Normal 16 SYS2BUTTONN I System2 Enable 0 Enable 1 Normal 17 DP2_PWRUP O Power Up for DownPort2 18 DP1_PWRUP O Power Up for DownPort1 19 DOWNUSB2_DP I O DownPor...

Страница 10: ...37 MONITOR1EN O Monitor 1 Enable 0 Enable 1 Disable 38 MONITOR2EN O Monitor 2 Enable 0 Enable 1 Disable 39 Reserved Connect to ground Reserved for system use 40 Port2Detect I Connect to Upstream Port...

Страница 11: ...and Reference Design 4 1 AU9223 Block Diagram Figure 4 1 AU9223 Block Diagram USB Protocol Engine USB Protocol Engine Downstrea m Port Data Check Downstream Port Control Downstream Port Control Downst...

Страница 12: ...Scroll Scroll S n Set Auto scan rate note3 ESC switch to regular key code Scroll Scroll F1 F8 Customer define key note4 Scroll Scroll Caps Switch to Caps Caps hot key mode Scroll Scroll Num Switch to...

Страница 13: ...Num Num Caps Switch to Caps Caps hot key mode Num Num Ctrl Switch to Ctrl Shift hot key mode 5 4 Ctrl Shift mode Hot Key Definition Ctrl Ctrl Switch to next live PC Ctrl Shift 1 Switch to PC1 Ctrl Shi...

Страница 14: ...tem will reset the buffer when it does not receive any input comes after within a defined interval of time say 5 seconds Note 2 Audible feedback when beeper is ON and keep the device in silent mode wh...

Страница 15: ...Official Release_ Public Note 4 GPO 2 GPO 1 GPO 0 Function key F1 0 0 0 Function key F2 0 0 1 Function key F3 0 1 0 Function key F4 0 1 1 Function key F5 1 0 0 Function key F6 1 0 1 Function key F7 1...

Страница 16: ...AX UNITS IIL Input low current no pull up or pull down 1 1 A IIH Input high current no pull up or pull down 1 1 A IOZ Tri state leakage current 10 10 A CIN Input capacitance 5 F COUT Output capacitanc...

Страница 17: ...D Testing was performed on a Zapmaster system using the Human Body Model HBM and Machine Model MM according to MIL_STD 883 and EIAJ IC_121 respectively Human Body Model stress devices by sudden applic...

Страница 18: ...sed for 0 5 seconds If neither the PUT current supply nor the device current supply reached the predefined limit DUT 0 mA Icc 100 mA then the voltage was increased by 0 1 Volts and the pin was tested...

Страница 19: ...r Source V Supply Icc Measurement 1 Source Test Circuit Negative Input Output Overvoltage Overcurrent Vcc DUT GND mA Untested Output Open Circuit All Input Tied to V supply V Supply Icc Measurement Su...

Страница 20: ...Controller V1 00 Official Release_ Public 7 0 Mechanical Information The Following diagram shows the dimensions of the AU9223 48 pin LQFP Measurements are in inches Figure 7 1 Mechanical Information...

Страница 21: ...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 o...

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