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AU9412EEP

USB Keyboard/Hub Controller

Technical Reference Manual

Revision 1.03

© 1998 Alcor Micro Inc.

All rights reserved

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Содержание AU9412EEP

Страница 1: ...AU9412EEP USB Keyboard Hub Controller Technical Reference Manual Revision 1 03 1998 Alcor Micro Inc All rights reserved...

Страница 2: ...ranty for the use of its products and bears no responsibility for any errors which appear in this document Specifications are subject to change without notice Contact Information USA Headquarters Los...

Страница 3: ...esign 10 4 1 AU9412EEP Block Diagram 10 4 2 Sample Schematics 10 4 3 Sample Key Matrix Layout Table 10 5 0 Electrical Characteristics 10 5 1 Maximum Ratings 10 5 2 Recommended Operating Conditions 10...

Страница 4: ...This Page Intentionally Left Blank...

Страница 5: ...ion 1 0 USB hub design is compliant with Universal Serial Bus Hub Specification revision 1 1 USB keyboard design is compliant with USB Device Class Definition for Human Interface Devices HID Firmware...

Страница 6: ...2 INTRODUCTION This Page Intentionally Left Blank...

Страница 7: ...M 3 2 0 Application Block Diagram The AU9412EEP is a single chip which integrates USB keyboard and hub functionality The upstream port is connected to the USB system The downstream ports can be used f...

Страница 8: ...4 APPLICATION BLOCK DIAGRAM This Page Intentionally Left Blank...

Страница 9: ...5 3 0 Pin Assignment The AU9412EEP is a 48 pin dual inline package DIP The following figure shows the signal names for each of the pins on the chip The table on the following page describes each of t...

Страница 10: ...Name I O Description 1 VCC3 3 O 3 3V output for upstream D pull up 4 mA 2 USB_DP I O USB D for upstream port Need external 1 5K pull up to 3 3V 3 USB_DM I O USB D for upstream port 4 USB1_DP I O USB...

Страница 11: ...Matrix scan line internal 3 3k pull up 11 SCAN1_6 I Matrix scan line internal 3 3k pull up 12 SCAN1_7 EEP_DIN I O Input Matrix scan line internal 3 3k pull up Output EEPROM data in connect to EEPROM...

Страница 12: ...k pull down 23 EEP_CS O Chip select external EEPROM 2 mA 24 EEP_DOUT I EEPROM data out connect to EEPROM DOUT pin 2 mA 25 VDD_ANA PWR Analog power connect to 5V 26 XTAL2 O Crystal oscillator XTAL out...

Страница 13: ...pull down 40 SCAN2_7 I O Matrix scan line 16mA internal 33k pull down 41 SCAN2_8 I O Matrix scan line 16mA internal 33k pull down 42 SCAN2_9 I O Matrix scan line 16mA internal 33k pull down 43 SCAN2_1...

Страница 14: ...10 PIN ASSIGNMENT This Page Intentionally Left Blank...

Страница 15: ...SYSTEM ARCHITECTURE AND REFERENCE DESIGN 11 4 0 System Architecture and Reference Design 4 1 AU9412EEP Block Diagram...

Страница 16: ...12 SYSTEM ARCHITECTURE AND REFERENCE DESIGN 4 2 Sample Schematics...

Страница 17: ...Ctrl_R Ctrl_L F5 V2 Q Tab A ESC Z 1 V3 W Caps S X F1 2 V4 E F3 D F4 C F2 3 V5 R T F G V B 5 4 V6 U Y J H M N 6 7 V7 I K F6 8 V8 O F7 L APP F8 9 V9 P 0 V10 Scr_Lock Alt_L Alt_R Prt_Sc V11 BackSpace F1...

Страница 18: ...14 SYSTEM ARCHITECTURE AND REFERENCE DESIGN This Page Intentionally Left Blank...

Страница 19: ...ves the recommended operating conditions for integrated circuits developed with the pad libraries Symbol Param Min Max VDD Note VIL Low level input voltage 0 5V 0 8V 4 5V to 5 5V Guaranteed Input Low...

Страница 20: ...ent operating point and the AC coupling capacitor Cs is much larger than C1 and C2 5 4 USB Transceiver Characteristics RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER CONDITIONS LIMITS UNIT MIN MAX...

Страница 21: ...t 100 mA TSTG Storage temperature range 60 150 C PTOT Power dissipation per package mW NOTES 1 Stresses beyond those listed may cause permanent damage to the device These are stress ratings only and f...

Страница 22: ...0V Io 4mA Vcc 3 0V Io 100 A 2 2 2 4 2 8 2 7 V VOL LOW level output Vcc 3 0V Io 6mA Vcc 3 0V Io 4mA Vcc 3 0V Io 100 A 0 3 0 7 0 4 0 2 V IQ Quiecient supply current Vcc 3 6V VI Vcc or GND Io 0 330 600...

Страница 23: ...Full Speed 90 110 90 110 tpLH tpHL VMO VPO to D D Low Speed 1 120 120 300 300 300 300 ns trise tfall Rise and Fall Times Low Speed 2 75 75 300 200 75 75 300 200 ns tRFM Rise and Fall Time Matching Lo...

Страница 24: ...20 ELECTRICAL CHARACTERISTICS...

Страница 25: ...sudden application of a high voltage supplied by a 100pF capacitor through 1 5k ohm resistance Machine Model stresses devices by sudden application of a high voltage supplied by a 200pF capacitor thro...

Страница 26: ...tively Testing was started at 5 0V Positive or 0V Negative and the DUT was biased for 0 5 seconds If neither the PUT current supply nor the device current supply reached the predefined limit DUT 00mA...

Страница 27: ...ICS 23 Test Circuit Negative Input Output Overvoltage Overcurrent Supply Overvoltage Test Latch Up Data Mode Voltage V Current mA S S Results Voltage 11 0 11 0 5 5 Pass Pass Current 200 200 5 5 Pass P...

Страница 28: ...24 ELECTRICAL CHARACTERISTICS This Page Intentionally Left Blank...

Страница 29: ...MECHANICAL INFORMATION 25 6 0 Mechanical Information Following diagram shows the dimensions of Alcor AU9412EEP 48 DIP package Measurements are in millimeters measurements in parenthesis are in inches...

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