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Alcor Micro AU9462 Technical Reference Manual

Usb keyboard hub controller
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AU9462
USB Keyboard Hub Controller
Technical Reference Manual
Revision 1.1
© 2003 Alcor Micro Corp.
All Rights Reserved

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Summary of Contents for Alcor Micro AU9462

  • Page 1 AU9462 USB Keyboard Hub Controller Technical Reference Manual Revision 1.1 © 2003 Alcor Micro Corp. All Rights Reserved...
  • Page 2 Alcor Micro Corp. reserves the right to change this product without prior notice. 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.

  • Page 3: Table Of Contents

    Application Block Diagram---------------------------------------------------------------------- Pin Assignments------------------------------------------------------------------------------------ System Architecture and Reference Design---------------------------------------------- 4.1 AU9462 Block Diagram----------------------------------------------------------------------- 4.2 Sample Schematics----------------------------------------------------------------------------- 4.3 AU9462 Keyboard ERPOM Sample Value----------------------------------------------- Electrical Characteristics------------------------------------------------------------------------ 5.1 Recommended Operating Conditions------------------------------------------------------ 5.2 General DC Characteristics------------------------------------------------------------------ 5.3 DC Electrical Characteristic for 3.3 volts operation------------------------------------ 5.4 Crystal Oscillator Circuit Setup for Characteristics------------------------------------...
  • Page 4 TABLE F CONTENTS...

  • Page 5: Introduction

    ACPI or multimedia usage. It also supports combinational key definitions in the standard 19 x 8 key matrix. Separated ACPI key is a special feature offered by AU9462. There is one pin dedicated for all-in-one ACPI function. Fn key function is designed to enable selection of alternative matrix for small size keyboard application.
  • Page 6 • An additional LED2 for suspend special usage which will be turned on in suspend or can be defined by vendors • Fn key toggles or selectable based on a configuration bit • Extended delay key debounce timing option for any keys defined. •...

  • Page 7: Application Block Diagram

    2.0 Application Block Diagram The AU9462 is a single chip that integrates USB keyboard, ACPI and multimedia control functionalities. The multimedia function keys are designed to support a full range of hotkeys such as CD/DVD, Play/Pause, Stop, Eject, Mute and general purpose shortcut keys for one key Internet, E-mail, Help and etc.
  • Page 8 APPLICATION BLOCK DIAGRAM 4...

  • Page 9: Pin Assignments

    3.0 Pin Assignment 64 63 58 57 61 60 54 53 51 50 XTAL_1 SCAN_C7 XTAL_2 SCAN_C6 GNDA SCAN_C5 VCCA SCAN_C4 SCAN_C3 DP2_PWROUT SCAN_C2 SCAN_C1 DP1_PWROUT SCAN_R19 SCAN_R18 VCC5V SCAN_R17 SCAN_R16 VCC3V SCAN_R15 USB_DM SCAN_R14 USB_DP SCAN_R13 USB1_DP SCAN_R12 USB1_DM SCAN_R11 23 24 27 28...
  • Page 10 Table 3-1. Pin Description Pin Name IO Type Description XTAL_1 Input 12MHz Crystal input XTAL_2 Output 12MHz Crystal output GNDA Ground VCCA Power Analog power DP2_PWROUT Power Port 2 power supply and over-current detection. DP1_PWROUT Power Port 1 power supply and over-current detection. VCC5V Power 5v power supply...
  • Page 11 SCAN_R12 Input/ Output, Pull down Row Scan line SCAN_R13 Input/ Output, Pull down Row Scan line SCAN_R14 Input/ Output, Pull down Row Scan line SCAN_R15 Input/ Output, Pull down Row Scan line SCAN_R16 Input/ Output, Pull down Row Scan line SCAN_R17 Input/ Output, Pull down Row Scan line...
  • Page 12 PIN ASSIGNMENT 8...

  • Page 13: System Architecture And Reference Design

    4.0 System Architecture and Reference Design 4.1 AU9462 Block Diagram AU9462 Block Diagram Suspend, Keyboard Resume & Keypad Root Command XCVR Scan Port Processor Frame Column Timer FIFO Vendor LED(2) Num Lock Cap Lock Control Scroll Lock Fn Key Special Key Cobntrol...

  • Page 14: Sample Schematics

    Pull high(R12) : External Rom VCC3.3 Pull down(R13) : Internal Rom Disclaimer: This schematic is for reference only. Alcor Micro Corp. makes no warranty for the use of its 24C08 or compatible products and bears no responsibility for any error that Size Document Number appear in this document.
  • Page 15 0.1UF 0.1UF GNDA GNDK Disclaimer: This schematic is for reference only. Alcor Micro Corp. makes no warranty for the use of its products and bears no responsibility for any error that Size Document Number Au9462 demostration schematics appear in this document. Specifications are subject to...

  • Page 16: Au9462 Keyboard Erpom Sample Value

    4.3. AU9462 Keyboard EEPROM Sample Value Offset Hex Value Description 00,01 Configuration Byte 0 bit 5 : 1= Individual Power Byte 0 bit 6 : 1= HUB Enable Port Error Byte 0 bit 7 : 1= HUB Select SelfPower change by HID Byte 1 bit 0 : 1=Wakeup on any key;...
  • Page 17 address HiByte : Xfer end address + 1 88,A0 LoByte : Pointer to string descriptor (index 3) 100h ROM address HiByte : Xfer end address + 1 09,02,19,00,01,01,00,A0,19 Config Desc. 1 interface, bus powered, remote wakeup, 50 mA Total bytes returned : 0x19 09,04,00,00,01,09,00,00,00 Hub interface descriptor, interface 0.
  • Page 18 FF Port power control mask 12,01,10,01,00,00,00,08, Keyboard device descriptor, USB version 1.1, VID,PID 8F,05,40,94,22,01,01,02, Device version 1.22 03,01 12 Descriptor length 01 Device Descriptor 10 01 USB Version 1.1 00 Class defined in interface descriptor 00 Sub-class 00 Device Protocol 08 Maximum packet size VV VV Vender ID –...
  • Page 19 75 10 Report Size 19 00 Usage Minimum 2A FF 7F Usage Maximum 32767 81 00 Input (data, variable, absolute, preferred State) 75 02 Report Size 25 02 Logical Maximum 2 09 90 Usage Feature SelfPower B1 02 Feature (Variable, Absolute) 75 06 Report Size B1 01...
  • Page 20 43,24,02,00, Row 18 column4 Hotkey/ID3 <Back> 00,00,00,65, Row 18 column3 Normal Key: <Apps> 43,B6,00,00, Row 18 column2 Hotkey/ID3: <Last Track> 43,B5,00,00, Row 18 column1 Hotkey/ID3: <Scan Next Track> 44,F1,00,00, Row 17 column 8 Hotkey/ID4: <User 2> 00,00,00,E7, Row 17 column 7 Normal Key: <Win-R> 43,E2,00,00, Row 17 column6 Hotkey/ID3: <Mute>...
  • Page 21 00,00,00,4E, Row 12 column3 Normal Key: <9 Pgup> 00,00,00,4B, Row 12 column2 Normal key: <PageDn> Row 12 column1 Normal Key: <PageUp> 00,00,00,51, 00,00,00,53, Row 11 column8 Normal Key: <↓> 00,00,00,00, Row 11 column7 Normal Key: <Num> 00,00,00,59, Row 11 column6 Normal Key: <00> 00,00,00,5C, Row 11 column5 Normal Key: <1 End>...
  • Page 22 00,00,00,0C, Row 6 column3 Normal Key: <I> 00,00,00,25, Row 6 column2 Normal Key: <*8> 00,00,00,2E, Row 6 column1 Normal Key: < 00,00,00,11, Row 5 column8…Normal Key: <N> 00,00,00,10, Row 5 column7 Normal Key: <M> 00,00,00,0B, Row 5 column6 Normal Key: <H> 00,00,00,0D, Row 5 column5 Normal Key: <J>...

  • Page 23: Electrical Characteristics

    5.0 Electrical Characteristics 5.1 Recommended Operating Conditions SYMBOL PARAMETER UNITS Power Supply 4.75 5.25 Input Voltage 3.3V Operating Temperature Storage Temperature 5.2 General DC Characteristics SYMBOL PARAMETER CONDITIONS TYP MAX UNITS µA Input low current no pull-up or pull-down µA Input high current no pull-up or pull-down µA...

  • Page 24: Crystal Oscillator Circuit Setup For Characteristics

    5.4 Crystal Oscillator Circuit Setup for Characterization The following setup was used to measure the open loop voltage gain for crystal oscillator circuits. The feedback resistor serves to bias the circuit at its quiescent operating point and the AC coupling capacitor, Cs, is much larger than C1 and C2. Rf = 1M-Ohm XOUT 10pF...

  • Page 25: Esd Test Results

    5.5 ESD Test Results 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.

  • Page 26: Latch-Up Test Results

    5.6 Latch-Up Test Results Test Description: Latch-Up testing was performed at room ambient using an IMCS-4600 system which applies a stepped voltage to one pin per device with all other pins open except Vdd and Vss which were biased to 5 Volts and ground respectively.
  • Page 27 Icc M easurem ent V Supply 1 Source Untested under Output O pen test C ircuit Untested Input Tied to V supply Trigger Source Test Circuit : Negative Input/ O utput O vervoltage /O vercurrent Icc Measurement V Supply Untested Output Open Circuit All Input Tied...
  • Page 28 MECHANICAL INFORMATION...

  • Page 29: Mechanical Information

    6.0 Mechanical Information Following diagrams show the dimensions of the AU9462 64-pin LQFP. Measurements are in inches. body size lead count 0.127 stand-off body thickness lead length lead width lead thickness lead pitch MECHANICAL INFORMATION...
  • Page 30 MECHANICAL INFORMATION...

  • Page 31: Errata

    7.0 Errata Record History 3/13/2003 Mechanical Format Revision MECHANICAL INFORMATION...

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