Alcor AU9320 Manuel du produit
AU9320
USB Compact 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: 886-2-8751-1984
Fax: 886-2-2659-7723
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: (408) 845-9300 Phone: (909) 483-9900
Fax: (408) 845-9086 Fax: (909) 944-0464
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 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 Characteristic for 3.3 11
5.4 Crystal Oscillator Circuit Setup for Characteristics ------------------------------ 12
5.5 ESD Test Results -------------------------------------------------------------------------- 13
5.6 Latch-Up Test Results ------------------------------------------------------------------- 17
6.0 Mechanical Information---------------------------------------------------------------------- 23
TABLE OF CONTENTS i
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INTRODUCTION 1
1.0 Introduction
1.1 Description
The AU9320 is a single chip integrated USB Compact Flash (CF) card reader controller. 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 AU9320 can read of CF 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 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 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 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
LED for bus activity monitoring
Runs at 12MHz, built-in 48 MHz PLL
Built-in 3.3V regulator
64-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 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 and PC.
PC with USB Host Controller
USB Flash
Card Reader
Moble Phones
PDA
MP3 Player
Digital Camera
CF Cards
PC
APPLICATION BLOCK DIAGRAM 4
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PIN ASSIGNMENT 5
3.0 Pin Assignment
The AU9320 is packed in 64-LQFP form factor. The following figure shows signal name for
each pin and the table in the following page describes each pin in detail.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 28 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49505152535455565758596061626364
Reserved
Reserved
GPO6
GPO7
GPI0
GNDO
GNDI
VCCI5V
VCC3V
USB_DM
USB_DP
SUSPEND
TESTE0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
GNDO
VCCO5V
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
TEST1
TEST2
GNDK
VCCK5V
CFD3
CFD4
CFD5
CFD6
CFD7
OEN
IORDN
CFAD9
IOWRN
VCCO5V
GNDO
WEN
CFRESET
CFAD3
WAITN
CFAD2
CFAD1
REGN
CFAD0
CFD0
CFD1
CFD2
CFCDN
RSTN
GND0
VCCO5V
TEST3
XTAL1
XTAL2
PIN ASSIGNMENT 6
Table 3-1. Pin Descriptions
pin Name IO Type Discription
1 RESERVED NC
2 RESERVED NC
3 GPO6 O General Purpose Output
4 GPO7 O General Purpose Output, for LED activity
5 GPI0 I General Purpose I(*1)
6 GNDO PWR
7 GNDI PWR
8 VCCI5V PWR 5V input
9 VCC3V O Regulated 3.3V out
10 USB_DM I/O USB D-
11 USB_DP I/O USB D+
12 SUSPEND O
13 TEST0 I Should connect to GND
14 RESERVED NC
15 RESERVED NC
16 RESERVED NC
17 RESERVED NC
18 RESERVED NC
19 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 Should connect to GND
33 TEST2 I Should connect to VCC
34 GNDK PWR
35 VCCK5V PWR 5V power supply
36 CFD3 I/O Compact Flash Data 3
37 CFD4 I/O Compact Flash Data 4
38 CFD5 I/O Compact Flash Data 5
39 CFD6 I/O Compact Flash Data 6
40 CFD7 I/O Compact Flash Data 7
41 OEN O Compact Flash output enable
42 IORDN O Compact Flash I/O read signal
43 CFAD9 O Compact Flash address 9
44 IOWRN O Compact Flash I/O write signal
45 VCCO5V PWR 5V power supply
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