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SYSTEM ARCHITECTURE AND REFERENCE DESIGN 

 

4.0  System Architecture and  

Reference Design 

4.1 AU9320 Block Diagram 

Alcor Micro - AU9320 Flash Memory Card Reader Block Diagram

USB

SIE

USB
Upstream
Port

XC

VR

USB

FIFO

3.3 V
Voltage
Regulator

3.3 V

RAM

Processor

ROM

12MHz
XTAL

Reset

CF/IDE control

& FIFO

CF/TDE BUS

DMA

Engine

Summary of Contents for AU9320

Page 1: ...AU9320 USB Compact Flash Card Reader Technical Reference Manual Revision 1 0 2000 2002 Alcor Micro Corp All Rights Reserved...

Page 2: ...nty 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 Contact Information Web site http www a...

Page 3: ...nd Reference Design 9 4 1 AU9320 Block Diagram 9 4 2 Sample Schematics 10 5 0 Electrical Characteristics 11 5 1 Recommended Operating Conditions 11 5 2 General DC Characteristics 11 5 3 DC Electrical...

Page 4: ...TABLE OF CONTENTS i This Page Intentionally Left Blank...

Page 5: ...between PC and various consumer devices With AU9320 users experience will be further enhanced by the Plug and Play nature built into latest operation systems such as Windows XP and MacOS X 1 2 Featur...

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

Page 7: ...ash memory card reader using AU9320 By connecting the reader to a PC through USB bus the AU9320 is acting as a bridge between the flash memory card from digital camera MP3 player PDA or mobile phone a...

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

Page 9: ...9 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 Reserved Reserved GPO6 GPO7 GPI0 GNDO GNDI VCCI5V VCC3V USB_DM USB_DP SUSPEND TESTE0 Reserved Reserved Reserved Reserved Re...

Page 10: ...RESERVED NC 20 RESERVED NC 21 RESERVED NC 22 RESERVED NC 23 GNDO PWR 24 VCCO5V PWR 25 RESERVED NC 26 RESERVED NC 27 RESERVED NC 28 RESERVED NC 29 RESERVED NC 30 RESERVED NC 31 RESERVED NC 32 TEST1 I...

Page 11: ...address 1 53 REGN O REGN for attribute memory access 54 CFAD0 O Compact Flash address 0 55 CFD0 I O Compact Flash data 0 56 CFD1 I O Compact Flash data 1 57 CFD2 I O Compact Flash data 2 58 CFCDN I Co...

Page 12: ...PIN ASSIGNMENT 8 This Page Intentionally Left Blank...

Page 13: ...itecture and Reference Design 4 1 AU9320 Block Diagram Alcor Micro AU9320 Flash Memory Card Reader BlockDiagram USB SIE USB Upstream Port XCVR USB FIFO 3 3 V Voltage Regulator 3 3 V RAM Processor ROM...

Page 14: ...R DEMO BOARD Size Document Number Rev Date Sheet of R2 470K IORDN GNDK C10 0 1UF REGN GNDO C8 18PF VCC TP CFD6 GPO7 TP WAITN CFD4 XTAL1 GNDO F3 FB VCC VCC VCC PLLTEST R3 39 CFAD1 GNDO OEN VCC_UP R1 1...

Page 15: ...ow 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 capacitance 5 F CBID Bi direct...

Page 16: ...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 poi...

Page 17: ...y 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 capacitor...

Page 18: ...the DUT was biased 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...

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

Page 20: ...ELECTRICAL CHARACTERISTICS 16 This Page Intentionally Left Blank...

Page 21: ...MECHANICAL INFORMATION 17 6 0 Mechanical Information...

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