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Summary of Contents for Alcor AU9331
- Page 1 AU9331 USB Secure Digital Card Reader Technical Reference Manual Revision 1.2 © 1997-2002 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.
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Page 3: Table Of Contents
1.1 Description---------------------------------------------------------------------------------- 1.2 Features-------------------------------------------------------------------------------------- Application Block Diagram----------------------------------------------------------------- Pin Assignment-------------------------------------------------------------------------------- System Architecture and Reference Design----------------------------------------- 4.1 AU9331 Block Diagram------------------------------------------------------------------ 4.2 Sample Schematics------------------------------------------------------------------------ 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 ------------------------------ 10... - Page 4 This page Intentionally Left Blank TABLE OF CONTENTS...
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Page 5: Introduction
Windows XP and MacOS X. Because of the multiple sectors transfer up to 4G bytes and the single chip integration, AU9331 is the most powerful and cost efficient SD reader controller solution in the market. 1.2 Features Fully compliant with USB v1.1 specification and USB Device Class Definition for Mass Storage, Bulk-Transport v1.0... - Page 6 This Page Intentionally Left Blank INTRODUCTION...
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Page 7: Application Block Diagram
Following is the application diagram of a typical flash memory card reader using AU9330. By connecting the reader to a PC through USB port, the AU9331 is acting as a bridge between the flash memory card from digital camera, MP3 player, PDA or mobile phone and PC. - Page 8 This Page Intentionally Left Blank APPLICATION BLOCK DIAGRAM...
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Page 9: Pin Assignment
3.0 Pin Assignment The AU9331 is packed in 28-SSOP form factor. The following figure shows signal name for each pin and the table in the following page describes each pin in detail. XTAL1 GPO7 XTAL2 GPI0 VSSA GPI1 VCCA GPI2... - Page 10 Table 3-1. Pin Descriptions pin Name IO Type Description XTAL1 Crystal Oscillator Input (12MHz) XTAL2 Crystal Oscillator Output (12MHz) VSSA Ground Analog Ground VCCA Analog power supply VCC5V 5V power supply VCCIO Regular 3.3V output/ IO 3.3V input USB_DM USB D- USB_DP USB D+ EEPROM data inout...
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Page 11: System Architecture And Reference Design
4.0 System Architecture and Reference Design 4.1 AU9331 Block Diagram Alcor Micro - AU9331 Flash Memory Card Reader Block Diagram SD/MMC control SD/MMC BUS Engine Upstream & S/P Port Optional Processor EEPROM EEPROM 3.3 V 3.3 V Voltage Regulator 12MHz... -
Page 12: Sample Schematics
12MHZ 18PF XTAL2 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 appear in this document. Specifications are subject to Size Document Number AU9331 USB SD/MMC CARD READER DEMO BOARD change without notice. -
Page 13: Electrical Characteristics
5.0 Electrical Characteristics 5.1 Recommended Operating Conditions SYMBOL PARAMETER UNITS Power Supply 4.75 5.25 Input Voltage Operating Temperature Storage Temperature 5.2 General DC Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS µA Input low current no pull-up or pull-down -1 µA Input high current no pull-up or pull-down -1... -
Page 14: 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 18pF... -
Page 15: 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 16: 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 17 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 18 This Page Intentionally Left Blank ELECTRICAL CHARACTERISTICS...
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Page 19: Mechanical Information
6.0 Mechanical Information MECHANICAL INFORMATION...
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