Alcor AU9228, Reference Manual

Page 1: ...AU9228 USB KVM Controller Technical Reference Manual ...

Page 2: ...AU9228 USB KVM Controller ...

Page 3: ... Alcor Micro Corp makes no warranty for the use of its products and bears no responsibility for any error that appear in this document Specifications are subject to change without prior notice R Re ev vi is si io on n H Hi is st to or ry y Date Revision Description July 2007 1 00W Official release Oct 2007 1 01W Modify 3 0 Pin Assignment C Co on nt ta ac ct t I In nf fo or rm ma at ti io on n Web ...

Page 4: ... Memo ...

Page 5: ...croll Scroll mode 9 5 2 Caps Caps mode 9 5 3 Num Num Mode 10 5 4 Ctrl Shift mode left hand side 10 6 Electrical Characteristics 12 6 1 Recommended Operating Conditions 12 6 2 General DC Characteristics 12 6 3 DC Electrical Characteristics of 3 3V I O Cells 12 6 4 Crystal Oscillator Circuit Setup for Characterization 13 6 5 ESD Test Results 13 6 6 Latch Up Test Results 14 7 Mechanical Information 1...

Page 6: ...t 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 Table 6 1 Recommended Operating Conditions 12 Table 6 2 General DC Characteristics 12 Table 6 3 DC Electrical Characteristics of 3 3V I O Cells 12 Table 6 4 ESD Data 13 Table 6 5 Latch Up Data 15 ...

Page 7: ...B 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 P...

Page 8: ...ed control and space energy saving is critical Figure 2 1 Block Diagram AU9228 KVM Monitor and Audio swtiching box Relay device Monitor PC 2 PC 4 PC 3 PC 1 Monitor cable USB cable USB cable Monitor Cable Selection 6x USB cable USB cable Monitor cable P ort 1 Port 2 Mouse Keyboard default button x5 Auto swtich mode PS2 Keyboard Audio Devices ...

Page 9: ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 UP4LEDN AVCC AVSS XTAL1 XTAL2 VCC5V BVCC BVSS SWITCHN AUDIOSWITCHN BUS_PWRD BEEP GND GND SYS1BUTTONN SYS2BUTTONN SYS3BUTTONN SYS4BUTTONN DOWNUSB2_DP DOWNUSB2_DM DOWNUSB1_DP DOWNUSB1_DM VSS VCC SWITCHMODE0 SWITCHMODE1 RESERVED PS2_CLK PS2_DAT GPO2 GPO1 GPO0 UPUSB1_DP UPUSB1_DM UPUSB2_DP UPUSB2_DM UPUSB3_DP UPUSB...

Page 10: ...itches 13 INTN O Interrupt signal output to external MCU when SWITCHMODE2 1 and EXTCPUMOD 1 falling edge triggered 14 GND Ground 15 GND Ground 16 SYS1BUTTONN I Panel button with internal pull up for enabling system 1 0 Enable 1 Normal 17 ALE I When not using external parallel MCU it should be pulled down Address latch enable when SWITCHMODE2 1 and EXTCPUMOD 1 1 AD bus is address 0 AD bus is data 1...

Page 11: ...SERVED Reserved 35 RESERVED Reserved 36 PS2_CLK I O PS2 clock signal external pull up required 37 PS2_DAT I O PS2 data signal external pull up required 38 D0 I O Bit 0 with internal pull up in address data bus of MCU interface when SWITCHMODE2 1 and EXTCPUMOD 1 It also provides alternative functions I2C bus SDA signal slave mode when SWITCHMODE2 1 and EXTCPUMOD 0 I2C bus SDA signal master mode whe...

Page 12: ...ce when SWITCHMODE2 1 and EXTCPUMOD 1 It also provides alternative function I2C bus address 2 slave mode when SWITCHMODE2 1 and EXTCPUMOD 0 50 D5 I O Bit 5 with internal pull down in address data bus of MCU interface when SWITCHMODE2 1 and EXTCPUMOD 1 51 D6 I O Bit 6 with internal pull down in address data bus of MCU interface when SWITCHMODE2 1 and EXTCPUMOD 1 52 D7 I O Bit 5 with internal pull d...

Page 13: ...AU9228 USB KVM Controller V1 01W 7 Pin Pin Name I O Description 63 UP3LEDN O System 3 LED indicator 0 ON 1 OFF 64 BVSS PWR Ground pin of internal regulator ...

Page 14: ...SB Protocol Engine Downstream Port Host 1 USB Protocol Engine Downstream Port Host 2 USB Protocol Engine Downstream Port Host 3 USB Protocol Engine Downstream Port Host 4 Downstream Port Data Multiplexor Downstream Port Data Checker Switch Detection port 1 USB Keyboard port 2 USB Mouse PS2 port PS2 Keyboard AU9228 USB KVM Controller V1 01W 8 ...

Page 15: ... code Scroll Scroll F1 F8 Customer define key note4 Scroll Scroll Caps Switch to Caps Caps hot key mode Scroll Scroll Num Switch to Num Num hot key mode Scroll Scroll Ctrl Switch to Ctrl Shift hot key mode 5 5 2 2 C Ca ap ps s C Ca ap ps s m mo od de e Hot Key Definition Caps Caps 1 Switch to PC1 Caps Caps 2 Switch to PC2 Caps Caps 3 Switch to PC3 Caps Caps 4 Switch to PC4 Caps Caps or Switch to N...

Page 16: ...Ctrl Ctrl Switch to next live PC Ctrl Shift 1 Switch to PC1 Ctrl Shift 2 Switch to PC2 Ctrl Shift 3 Switch to PC3 Ctrl Shift 4 Switch to PC4 Ctrl Shift or Switch to Next PC Ctrl Shift or Switch to Previous PC Ctrl Shift B Beeper ON OFF note2 Ctrl Shift S Auto scan mode every 10 second ESC switch to regular key code Ctrl Shift S n Set Auto scan rate note3 ESC switch to regular key code Ctrl Shift F...

Page 17: ...val latency to 60 seconds correspondingly Auto scan rate set N number Second 1 5 2 10 3 15 4 20 5 25 6 30 7 35 8 40 9 60 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 1 0 Function key F8 1 1 1 AU9228 USB KVM Controller V1 01W 11 ...

Page 18: ... µA IIH Input high current no pull up or pull down 1 1 µA OZ Tri state leakage current 10 10 µA CIN Input capacitance 5 ρF COUT Output capacitance 5 ρF CBID Bi directional buffer capacitance 5 ρF 6 6 3 3 D DC C E El le ec ct tr ri ic ca al l C Ch ha ar ra ac ct te er ri is st ti ic cs s o of f 3 3 3 3V V I I O O C Ce el ll ls s Table 6 3 DC Electrical Characteristics of 3 3V I O Cells Limits SYMBO...

Page 19: ...ts s Test Description ESD 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 application of a high voltage supplied by a 100 PF capacitor through 1 5 Kohm resistance Machine Model stresses devices by sudden application of a high voltage supplied by a 200 PF c...

Page 20: ...r 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 again This procedure was recommended by the JEDEC JC 40 2 CMOS Logic standardization committee Notes 1 DUT Device Under Test 2 PUT Pin Under Test Icc Measurement Pin under test Vcc DUT GND m Untested Output...

Page 21: ...ive Input Output Overvoltage Overcurrent Vcc DUT GND mA Untested Output Open Circuit All Input Tied to V supply V Supply Icc Measurement Supply voltage Test Figure 6 2 Latch Up Test Circuits Model Model Voltage v Current mA S S Results Voltage 11 0 11 0 5 TBD Current 200 200 5 TBD Vdd Vxx 9 0 5 TBD Table 6 5 Latch Up Data AU9228 USB KVM Controller V1 01W 15 ...

Page 22: ...1 10 00 BSC e 0 50 BSC L 0 45 0 75 L1 1 00 REF 1 JEDEC OUTLINE MS 026 BCD 2 DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION ALLOWABLE PROTRUSION IS 0 25mm PER SIDE D1 AND E1 ARE MAXIMUM PLASTIC BODY SIZE DIMENSIONS INCLUDING MOLD MISMATCH 3 DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION ALLOWABLE DAMBAR PROTRUSION SHEALL NOT CAUSE THE LEAD WIDTH TO EXCEED THE MAXIMUM b DIMENSION BY MORE THAN 0...

Page 23: ...and focus on emerging technology such as 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 produc...

Page 24: ...t Each Manufacturing Company 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 ...