Alcor AU9310 Product manual

AU9310
USB Flash Card Reader
Technical Reference Manual
Revision 1.0
© 2000-2002 Alcor Micro Corp.
All Rights Reserved

Copyright Notice
Copyright 2000 - 2002
Alcor Micro Corp.
All Rights Reserved.
Trademark Acknowledgements
The company and product names mentioned in this document may be the trademarks or registered trademarks of their manufacturers.
Disclaimer
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.
Contact Information:
Web site: http://www.alcormicro.com/
Taiwan
Alcor Micro Corp.
4F-1, No 200 Kang Chien Rd., Nei Hu,
Taipei, Taiwan, R.O.C.
Phone: [phone]
Fax: [phone]
Santa Clara Office Los Angeles Office
2901 Tasman Drive, Suite 206 9400 Seventh St., Bldg. A2
Santa Clara, CA 95054 Rancho Cucamonga, CA 91730
USA USA
Phone: [phone] Phone: [phone]
Fax: [phone] Fax: [phone]

TABLE OF CONTENTS i
Table of Contents
1.0 Introduction-------------------------------------------------------------------------------------- 1
1.1 Description---------------------------------------------------------------------------------- 1
1.2 Features-------------------------------------------------------------------------------------- 1
2.0 Application Block Diagram----------------------------------------------------------------- 3
3.0 Pin Assignment-------------------------------------------------------------------------------- 5
4.0 System Architecture and Reference Design----------------------------------------- 9
4.1 AU9310 Block Diagram------------------------------------------------------------------ 9
4.2 Sample Schematics------------------------------------------------------------------------ 10
5.0 Electrical Characteristics-------------------------------------------------------------------
13
5.1 Recommended Operating Conditions------------------------------------------------- 13
5.2 General DC Characteristics ------------------------------------------------------------ 13
5.3 DC Electrical Characteristic for 3.3 volts operation ------------------------------- 14
5.4 Crystal Oscillator Circuit Setup for Characteristics ------------------------------ 14
5.5 ESD Test Results -------------------------------------------------------------------------- 15
5.6 Latch-Up Test Results ------------------------------------------------------------------- 16
6.0 Mechanical Information---------------------------------------------------------------------- 19

TABLE OF CONTENTS i
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INTRODUCTION 1
1.0 Introduction
1.1 Description
The AU9310 is a single chip integrated USB flash memory card reader controller. It supports
Compact Flash (CF), Secure Digital (SD) and Multimedia Card (MMC) with automatic card
type detection capability. It can be used as a removable storage disk in enormous data
exchange applications between PC and PC or PC and various consumer electronic devices.
The AU9310 can read flash memory card’s contents created by handheld consumer electronic
devices such as digital camera, MP3 player, PDA and mobile phone.., etc. It provides a faster
and convenient way of data transfer scheme to meet the emerging need of a data exchange
center between PC and various consumer devices. With AU9310, 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 Features
 Fully compliant with USB v1.1 specification and USB Device Class Definition for
Mass Storage, Bulk-Transport v1.0
 Fully compliant with Compact Flash (CF) v1.4, Secure Digital (SD) v1.0
Specification.
 Work with default driver from Windows ME, Windows 2000, Windows XP, Mac
OS 9.1, and Mac OS X. Windows 98 is supported by vendor driver from Alcor.
 Ping-pong FIFO implementation for concurrent bus operation
 Support multiple sectors transfer to optimize performance
 Support inter-slot transfer between CF and SD card
 LED for bus activity monitoring
 Runs at 12MHz, built-in 48 MHz PLL
 Built-in 3.3V regulator
 100-pin LQFP package

INTRODUCTION 2
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APPLICATION BLOCK DIAGRAM 3
2.0 Application Block Diagram
Following is the application diagram of a typical flash memory card reader using AU9310. By
connecting the reader to a PC through USB bus, the AU9310 is acting as a bridge between the
flash memory card from digital camera, MP3 player, PDA or mobile phone and PC.
PC with USB Host Controller
USB Flash
Card Reader
Moble Phones
PDA
MP3 Player
Digital Camera
Flash Card
PC

APPLICATION BLOCK DIAGRAM 4
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PIN ASSIGNMENT 5
3.0 Pin Assignment
The AU9310 is packed in 100-LQFP form factor. The following figure shows signal name
for each pin and the table in the following page describes each pin in detail.
6
7
8
9
10
11
12
1
2
3
4
5
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
75
74
73
72
71
70
69
80
79
78
77
76
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
XTAL1
XTAL2
SDCMD
SDCLK
SDDATA0
SDCD
SDWP
GPO4
GPO5
GPO6
CFAD8
GNDO
WEN
CFAD7 CFAD6 CFAD5 CFAD4
CFRESET
CFAD3
WAITN
CFAD2 CFAD1
REGN
CFAD0
CFD0 CFD1 CFD8 CFD2 CFD9
CFD10
CFCDN
RSTN
AGND
AVCC
TEST 1
RESERVED
GPI0
GPI1
GPI2
GPO7
ROMD6
ROMD7
TEST 3
TEST 2
CFD4
CFD11
CFD3
VCCK5V
GNDK
CFD14
CFD6
CFD13
CFD5
CFD12
CFAD10
CE2N
CE1N
CFD15
CFD7
VDDO5V
IOWRN
CFAD9
IORDN
OEN
TESTE0
ROMEN
ROMAD0
ROMAD1
ROMAD3
GNDI
VCC15V
VCC3.3V
USB_DM
USB_DP
RESERVED
ROMAD2
GNDO
ROMD5
ROMAD6 ROMAD5 ROMAD4
ROMAD11 ROMAD10
ROMAD9 ROMAD8 ROMAD7
ROMAD14 ROMAD13 ROMAD12
GNDO
VDDO5V
ROMD1 ROMD0 ROMD2 ROMD3 ROMD4
RESERVED
RESERVED
RESERVED
RESERVED

PIN ASSIGNMENT 6
Table 3-1. Pin Descriptions
pin Name IO Type Discription
1 AGND PWR GND
2 AVCC PWR Along Vcc , Connect to 5V
3 TEST1 I Connect to GND
4 RFU Reserved
5 XTAL1 Crystal Oscillator Input(12MHz)
6 XTAL2 Crystal Oscillator Output(12MHz)
7 SDCMD I.O SD Card Command
8 SDCLK O SD Card Clock
9 SDDATA0 I/O SD Card Data 0
10 SDCD I SD Card Detect
11 SDWP I SD Write Protect
12 GPO4 O General Purpose O
13 GPO5 O General Purpose O
14 GPO6 O General Purpose O
15 GPO7 O General Purpose O
16 GPI0 I General Purpose I(*1)
17 GPI1 I General Purpose I(*1)
18 GPI2 I General Purpose I
19 GNDO PWR GND
20 GNDI PWR GND
21 VCC5I PWR 5V power supply
22 VCC3.3V O Regulated 3.3V for DP pullup resistor
23 USB_DM I/O USB D-
24 USB_DP I/O USB D+
25 Reserved O USB Suspend Indication
26 XROM I Connect to low for external Rom
27 ROMEN O ROM enable(Only for external Normally
connect to Vcc)
28 ROMAD0 O ROM Address 0 (Only used in external Rom)
29 ROMAD1 O ROM Address 1 (Only used in external Rom)
30 ROMAD2 O ROM Address 2 (Only used in external Rom)
31 ROMAD3 O ROM Address 3 (Only used in external Rom)
32 ROMAD4 O ROM Address 4 (Only used in external Rom)
33 ROMAD5 O ROM Address 5 (Only used in external Rom)
34 ROMAD6 O ROM Address 6 (Only used in external Rom)
35 ROMAD7 O ROM Address 7 (Only used in external Rom)
36 ROMAD8 O ROM Address 8 (Only used in external Rom)
37 ROMAD9 O ROM Address 9 (Only used in external Rom)
38 ROMAD10 O ROM Address 10 (Only used in external Rom)
39 ROMAD11 O ROM Address 11 (Only used in external Rom)
40 ROMAD12 O ROM Address 12 (Only used in external Rom)
41 ROMAD13 O ROM Address 13 (Only used in external Rom)
42 ROMAD14 O ROM Address 14 (Only used in external Rom)
43 GNDO PWR GND
44 VCC5O PWR 5V power supply