Alcor AU6475 Schematics

AU6475

USB2.0 Multi-LUN Flash Card Reader

Controller

Technical Reference Manual

AU6475

USB2.0 Multi-LUN Flash Card Reader

Controller

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Copyright © 1997 - 2007. Alcor Micro, Corp. All Rights Reserved. No part of this data
sheet may be reproduced, transmitted, transcribed, stored in a retrieval system or
translated into any language or computer language, in any form or by any means,
electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without prior
written permission from Alcor Micro, Corp.

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The company and product names mentioned in this document may be the trademarks
or registered trademarks of their manufacturers.

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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.

RReevviissiioonn HHiissttoorryy

Date Revision Description

Oct 2007 1.00W Official Release.

Dec 2007 1.01W

Modify ”1.2 Features” and “Figure 4.1
AU6475 Block Diagram”

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Web site: http://www.alcormicro.com/

Taiwan China ShenZhen Office

Alcor Micro, Corp.
4F, No 200 Kang Chien Rd., Nei Hu,
Taipei, Taiwan, R.O.C. ShenZhen,China. 518026
Phone: [phone]
Fax: [phone]

Santa Clara Office L

2901 Tasman Drive, Suite 206 9070 Rancho Park Court
Santa Clara, CA 95054 Rancho
USA USA
Phone: [phone]
Fax: [phone]

Rm.2407-08, Industrial Bank Building

No.4013, Shennan Road,

Phone: [phone]

Fax: [phone]

os Angeles Office

Cucamonga, CA 91730

Phone: [phone]

Fax: [phone]

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Table of Contents

1. Introduction ............................................................ 1

1.1 Description...................................................................................1

1.2 Features........................................................................................1

2. Application Block Diagram ................................... 2

3. Pin Assignment...................................................... 3

4. System Architecture and Reference Design .......7

4.1 AU6475 Block Diagram ...............................................................7

5. Electrical Characteristics...................................... 8

5.1 Absolute Maximum Ratings........................................................8

5.2 Recommended Operating Conditions .......................................8

5.3 General DC Characteristics........................................................8

5.4 DC Electrical Characteristics of 3.3V I/O Cells..........................9

5.5 USB Transceiver Characteristics...............................................9

5.6 Power Switch Feature .................................................................12

6. Mechanical Information......................................... 13

7. Abbreviations ......................................................... 14

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List of Figures

Figure 2.1 Block Diagram..................................................................2

Figure 3.1 AU6475 Pin Assignment Diagram..................................3

Figure 4.1 AU6475 Block Diagram ...................................................7

Figure 5.1 Built-in card power switch I-V curve ..............................12

Figure 5.2 Card Detect Power-in Timing..........................................12

Figure 6.1 Mechanical Information Diagram ...................................13

List of Tables

Table 3.1 AU6475 Pin Descriptions..................................................4

Table 5.1 Absolute Maximum Ratings .............................................8

Table 5.2 Recommended Operating Conditions.............................8

Table 5.3 General DC Characteristics..............................................8

Table 5.4 DC Electrical Characteristics of 3.3V I/O Cells ...............9

Table 5.5 Electrical characteristics..................................................9

Table 5.6 Static characteristic：Digital pin .....................................10

Table 5.7 Static characteristic：Analog I/O pins（DP/DM）..........10

Table 5.8 Dynamic characteristic：Analog I/O pins（DP/DM）.....11

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1. Introduction

11..11 DDeessccrriippttiioonn

The AU6475 is a single chip integrated USB 2.0 multimedia card reader controller that
enables PC/DVD/Printer to read/write various type of flash media cards. Flash media
cards such as CF, SMC, XD, SD, MMC, Memory Stick are widely used in digital
camera, cell phone, PDA and MP3 player to store digital photos and compressed
music.
Performance of AU6475 is maximized by implementing the latest and fastest card
specification
Especially, AU6475 is designed with the high performance characteristic in flash card
I/O speed.
flash card.

11..22 FFeeaattuurreess

available form the industry.

Users can easy and fast transfer the digital content among the different

 Support USB V2.0 specification and USB Device Class Definition for Mass

Storage, Bulk-Transport V1.0

 Support CF/MD/SD/MMC/

card

 Support SD1.1/SD2.0
 Support MMC4.1. MMC4.2. with 4-bit dat
 Support CF4.1 with
 Compliant to xD 1.2 spec.
 Support MS
 Hardware DMA

ork with default driver from Windows ME/2000/XP/Vista and Mac OS X;

 W

Windows 98/2000(SP1/SP2) and Mac OS 9 are supported by vendor driver
from Alcor.

 Ping-pong FIFO implement
 Support multiple sectors transfer optimize performance
 Support slot
 Support Dyn
 Support LED for bus operating indication
 Power switch integrated
 30MHz 8051 CPU
 53.3 and 3.31.8V regulators bu
 Runs at 12MHz cryst

vailable in 80-pin LQFP package

 A

1.43, MSPRO 1.02, MSPRO-HG 1.01 with 4-bit data bus.

-to-slot read/write operation
amic Icon Utility

True IDE mode 6.

engine integrated for performance enhancement.

al

MS/MS_Pro/MS_Duo/xD/SMC compatible flash

a bus.

ation for concurrent bus operation

to reduce production BOM cost

ilt in

AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W

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