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1
Data Book
AU6331
USB2.0 SD/MMC/MS Single/Dual LUN Card Reader Controller Technical Reference Manual
Product Specification Official Release Revision 1.02W Public
Aug 2006
Data book status
Objective specification Preliminary specification Product specification This data book contains target specifications for product development. This data book contains preliminary supplementary data may be published later. data;
This data book contains final product specifications.
Revision History
Date Jul 2005 Sep 2005 Aug 2006 Revision 1.00W 1.01W 1.02W Official release 1. Modified "5.2 Recommended Operating Conditions" 2. Moved "3.0 Power Switch Feature" to "5.6 Power Switch Feature" Add new address of China ShenZhen Office Description
Page 2 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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Copyright Notice Copyright 1997 - 2006 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, 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 2901 Tasman Drive, Suite 206 Santa Clara, CA 95054 USA Phone: (408) 845-9300 Fax: (408) 845-9086 China ShenZhen Office Rm.2407-08 ,Industrial Bank Building No.4013, Shennan Road ,ShenZhen,China. 518026 Phone: (0755) 8366-9039 Fax: (0755) 8366-9101 Los Angeles Office 9070 Rancho Park Court Rancho Cucamonga, CA 91730 USA Phone: (909) 483-9900 Fax: (909) 944-0464
Page 3 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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Table of Contents
1 Introduction....................................................................... 1.1 Description......................................................................................... 1.2 Features.............................................................................................. 2 Application Block Diagram................................................. 3 Pin Assignment.................................................................. 3.1 Pin Assignment Diagram.................................................................. 6 6 6 7 8 8
4 System Architecture and Reference Design....................... 13 4.1 AU6331 Block Diagram................................................................... 13 5 Electrical Characteristics................................................... 14 5.1 Absolute Maximum Ratings........................................................... 14 5.2 Recommended Operating Conditions.......................................... 5.4 DC Electrical Characteristics for 5 volts operation.................. 14 15 5.3 General DC Characteristics............................................................ 14 5.5 USB Transceiver Characteristics................................................... 16 5.6 Power Switch Feature....................................................................... 19 6 Mechanical Information...................................................... 20 7 Abbreviations.................................................................... 22
Page 4 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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List of Figures
2.1 Block Diagram............................................................................................... 3.1 48 Pin Assignment Diagram....................................................................... 3.2 28 Pin Assignment Diagram........................................................................ 7 8 9
4.1 AU6331 Block diagram................................................................................. 13 5.1 Card Detect Power-on Timing................................................................... 19 6.1 48 Pin Mechanical Information Diagram.................................................. 20 6.2 28 Pin Mechanical Information Diagram.................................................. 21
List of Tables
3.1 3.2 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 48 Pin Descriptions.................................................................................. 10 28 Pin Descriptions................................................................................... 12 Absolute Maximum Ratings................................................................... 14 Recommended Operating Conditions.................................................. 14 General DC Characteristics.................................................................... 14 DC Electrical Characteristics of 3.3V I/O Cells........................... 15 Recommended Operation Conditions.................................................. 16 Static characteristicDigital in ........................................................... 16 Static characteristicAnalog I/O pinsDP/DM.............................. 17 Dynamic characteristicAnalog I/O pinsDP/DM........................ 18
Page 5 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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1.0 Introduction
1.1 Description
AU6331 is an USB2.0 transmission controller, which is designed as an interface bridge between USB host and SD/MS compatible flash card, such as SD, HS-SD, MMC, HS-MMC, RS-MMC, MMCmicro, MS, MS Pro and MS Duo...etc. AU6331 can read digital contents stored on memory card designed to cover a wide area of applications such as digital cameras, PDAs, MP3 players and smart phones...etc. With the AU6331, users can transfer digital data between flash memory card and PC or other electronic devices. AU6331 inherits the distinguishing characteristic from Alcor's products, be integrated MOS switch for power supply to flash card, dynamic icon utility support, extreme low BOM cost, etc.
1.2 Features
Support USB V2.0 specification and USB Device Class Definition for Mass Storage, Bulk-Transport V1.0 Support SD/MMC/MS compatible flash card Work with default driver from Windows ME/2000/XP and Mac OS X; Windows 98/2000(SP1/SP2) and Mac OS 9 are supported by vendor driver from Alcor. Ping-pong FIFO implementation for concurrent bus operation Support multiple sectors transfer optimize performance Support slot-to-slot read/write operation (Dual LUN) Support Dynamic Icon Utility Support LED for bus operating indication Power switch integrated to reduce production BOM cost 48pin-LQFP for SD/MS card reader 28pin-SSOP for SD card reader Built in 3.3V to 2.5V regulator
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2.0 Application Block Diagram
Following is the application diagram of a typical card reader product with AU6331. By connecting the card reader to a desktop or notebook PC through USB bus, AU6331 is implemented as a bus-powered, high speed USB card reader, which can be used as a bridge for data transfer between Desktop PC and Notebook PC. 2.1 Block Diagram
Digital Camera
MP3 Player PC with USB Host Controller
PDA
SD/MMC/MS USB Flash Memory Card Reader
Moble Phones
PC
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3.0 Pin Assignment
3.1 Pin Assignment Diagram
Figure 3.1 48 Pin Assignment Diagram
MODESEL SUSPEND SDDATA2 47 SDDATA3 SDDATA1 48 SDDATA0 SDWP SDCDN SDCLK SDCMD RFU2 CLED0 RPU AVDD DP DM AVSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RREF SPD_SEL
RSTN
RFU1
RFU0
RFU4
RFU4
GPI2
46
45
44
43
42
41
40
39
38
37 36 RFU3 NC GND VDD/ RDERMODE MSINS MSBS MSCLK MSDATA0 MSDATA1 MSDATA2 EPPDATA EEPCLK
35
34
33
32
ALCOR MICRO AU6331 48PIN LQFP
31
30
29
28
27
26
25
AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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PVDD
XI
XO
PVSS
VDD25D
VDDH
VSSH
VDDH
MS_V33
SD_V33
MSDATA3
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Figure 3.2 28 Pin Assignment Diagram
GND RSTN SUSPEND SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDWP SDCDN SDCLK SDCMD GPON7 RPU VDDA_U
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
VDD/RDERMODE SD_V33 VDDH VSSH VDDH V25_O VS33P_U XO XI VD33P_U RREF VSSA_U DM DP
Alcor Micro AU6331 28-PIN SSOP
Page 9 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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Table 3.1 48 Pin Descriptions Pin # 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 29 30 31 32 Pin Name SDDATA0 SDWP SDCDN SDCLK SDCMD RFU2 CLED0 RPU AVDD DP DM AVSS RREF PVDD XI XO PVSS VDD25D VDDH VSSH VDDH MS_V33 SD_V33 MSDATA3 EEPCLK EEPDATA MSDATA2 MSDATA1 MSDATA0 MSCLK MSBS MSINS I/O I/O I I O I/O I O I P I/O I/O P I P I O P P P P P P P I/O O I/O I/O I/O I/O O O I SD data0 SD write protect; pull up with res. SD card Detect ("1": unDetected[Default];"0":Detected) SD CLK SD CMD; pull up with res. Always pull low LED on for card exists for Full/High Speed Pull up with 1.5K res. To 3.3V VDD 3.3V analog power DP DM Analog Ground Pull down with 1K Res. To AVSS OSC power 3.3V 12MHz Oscillator input 12MHz Oscillator output OSC ground 2.5V output for core power IO power 3.3V IO ground IO power 3.3V MS card power SD card power MS data3 EEPROM CLK EEPROM Data MS data2 MS Data1 MS Data0 MS CLK MS BS MS card Detect ("1": unDetected[Default];"0":Detected)
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Description
Official release _ Public
Pin # 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
Pin Name VDD / RDERMODE GND NC RFU3 RFU4 RSTN RFU4 GPI2 SPD_SEL RFU0 RFU1 SUSPEND MODESEL SDDATA3 SDDATA2 SDDATA1
I/O P P I I I I I I I O I I/O I/O I/O
Description Core power 2.5V / Reader mode("1":Reader mode;"0":Card mode) Ground for core Always pull low Reserved Chip Reset;("1": Normal[Default]; "0": Reset) Always pull low USB current value description ("1":100mA[Default];"0":250mA) CPU speed selection ("1":15MHz;"0":30MHz[Default]) Always pull low Always pull low Suspend indicator ("1":Suspend;"0":Normal) Mode selection ("1":1 LUN[Default];"0":2 LUN) SD data3 SD data2 SD data1
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Table 3.2 28 Pin Descriptions Pin # 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 Pin Name GND RSTN SUSPEND SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDWP SDCDN SDCLK SDCMD GPON7 RPU VDDA_U DP DM VSSA_U RREF VD33P_U XI XO VS33P_U V25_O VDDH VSSH VDDH SD_V33 VDD / RDERMODE I/O P I O I/O I/O I/O I/O I I O I/O O I P I/O I/O P I P I O P P P P P P P Description Ground for core Chip Reset;("1": Normal[Default]; "0": Reset) Suspend indicator ("1":Suspend;"0":Normal) SD data3 SD data2 SD data1 SD data0 SD write protect; pull up with res. SD card detect ("1": unDetected[Default];"0":Detected) SD CLK SD CMD; pull up with res. LED on for card exists for Full/High Speed Pull up with 1.5K res. To 3.3V VDD 3.3V analog power DP DM Analog Ground Pull down with 1K Res. To AVSS OSC power 3.3V 12MHz Oscillator input 12MHz Oscillator output OSC ground 2.5V output for core power IO power 3.3V IO ground IO power 3.3V SD card power Core power 2.5V / Reader mode("1":Reader mode;"0":Card mode)
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4.0 System Architecture and Reference Design
4.1 AU6331 Block Diagram
Figure 4.1 AU6331 Block Diagram
USB
USB Upstream Port
XCVR
SIE
RAM
SD/MMC/MS Control FIFO
SD MMC MS
2.5 V
Processor
ROM
Arbitrator
2.5V Voltage Regulator /Power Switch
3.3V
12MHz XTAL
Page 13 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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5.0 Electrical Characteristics
5.1 Absolute Maximum Ratings
Table 5.1 Absolute Maximum Ratings SYMBOL VCC VIN VOUT TSTG PARAMETER Power Supply Input Signal Voltage Output Signal Voltage Storage Temperature RATING -0.3 to VCC+0.3 -0.3 to 3.6 -0.3 to VCC+0.3 -40 to 150 UNITS V V V
O
C
5.2 Recommended Operating Conditions
Table 5.2 Recommended Operating Conditions SYMBOL VCC VDD VIN TOPR PARAMETER Power Supply Digital Supply Input Signal Voltage Operating Temperature MIN 3.0 2.25 0 0 TYP 3.3 2.5 3.3 25 MAX 3.6 2.75 3.6 115 UNITS V V V
O
C
5.3 Leakage Current and Capacitance
Table 5.3 General DC Characteristics SYMBOL IIN IOZ CIN COUT CBID PARAMETER Input current Tri-state leakage current Input capacitance Output capacitance Bi-directional buffer capacitance Pad Limit Pad Limit Pad Limit CONDITIONS no pull-up or pull-down MIN -10 -10 TYP 1 1 2.8 2.8 2.8 MAX UNITS 10 10 A A F F F
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5.4 DC Electrical Characteristics of 3.3V I/O Cells
Table 5.4 DC Electrical Characteristics of 3.3V I/O Cells Limits SYMBOL PARAMETER CONDITIONS MIN TYP VCC Vil Vih Vol Voh Rpu Rpd Iin Ioz Power supply Input low voltage LVTTL Input high voltage Output low voltage Output high voltage Input pull-up resistance Input pull-down resistance Input leakage current Tri-state output leakage current Vin= VCC or 0 Iol=2~16mA Ioh=2~16mA 2.4 40 40 -10 -10 75 75 1 1 190 190 10 10 2.0 0.4 V V V K K A A 3.3V I/O 3.0 3.3
MAX 3.6 0.8
UNIT V V
Page 15 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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5.5 USB Transceiver Characteristics
Table 5.5 Electrical characteristics Symbol AVCC VCC ICC Parameter Analog supply Voltage Digital supply Voltage Operating supply current High speed operating at 480 MHz In suspend mode, current with 1.5k Suspend supply current pull-up resistor on pin RPU disconnected Conditions Min. 3.0 2.25 Typ. 3.3 2.5 Max. 3.6 2.75 73 Unit V V mA
ICC(susp)
120
A
Table 5.6 Static characteristicDigital pin Symbol Parameter Conditions Input levels VIL VIH Low-level input voltage High-level input voltage Output levels VOL VOH Low-level output voltage High-level output voltage VCC-0.2 0.2 V V 2.0 0.8 V V Min. Typ. Max. Unit
AVCC=3.0V~3.6VVCC=2.25V~2.75VTemp=0~115
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Table 5.7 Static characteristicAnalog I/O pinsDP/DM Symbol Conditions Min. USB2.0 TransceiverHS Input Levelsdifferential receiver VIDP-VIDM High speed differential measured at the 300 input sensitivity connection as application circuit High speed data signaling common mode voltage -50 range High speed squelch detection threshold High speed disconnection detection threshold Squelch detected No squelch detected Disconnection detected Disconnection not detected Output Levels 150 625 525 Parameter Typ. Max. Unit
VHSDIFF
mV
VHSCM
500 100
mV mV mV mV mV
VHSSQ
VHSDSC
VHSOI VHSOL VHSOH VCHIRPJ VCHIRPK
High speed idle level output voltage(differential) High speed low level output voltage(differential) High speed high level output voltage(differential) Chirp-J output voltage differential Chirp-K output voltage differential
-10 -10 -360 700 -900
10 10 400 1100 -500
mV mV mV mV mV
RDRV
VTERM
VDI VCM
Resistance Equivalent resistance 3 used as internal chip only Driver output impedance Overall resistance 40.5 including external resistor Termination Termination voltage for 3.0 pull-up resistor on pin RPU USB1.1 TransceiverFS/LS Input Levelsdifferential receiver Differential input VIDP-VIDM 0.2 sensitivity Differential common 0.8 mode voltage Input Levelssingle-ended receivers
6 45
9 49.5
3.6
V
V 2.5 V
Page 17 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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VSE VOL VOH
Single ended receiver threshold Output levels Low-level output voltage High-level output voltage
0.8 0 2.8
2.0 0.3 3.6
V V V
AVCC=3.0V~3.6VVCC=2.25V~2.75VTemp=0~115 Table 5.8 Dynamic characteristicAnalog I/O pinsDP/DM Symbol Parameter Conditions Driver Characteristics High-Speed Mode tHSR tHSF High-speed differential rise time High-speed differential fall time Full-Speed Mode tFR tFF tFRMA VCRS CL=50pF10 to 90 ofVOH-VOL CL=50pF90 to 10 Fall time ofVOH-VOL Excluding the first Differential rise/fall time transition from idle matchingtFR / tFF mode Excluding the first Output signal crossover transition from idle voltage mode Rise time Low-Speed Mode tLR CL=200pF-600pF 10 to 90of Rise time VOH-VOL CL=200pF-600pF 90 to 10of Fall time VOH-VOL Excluding the first Differential rise/fall time transition from idle matchingtLR / tLF mode Excluding the first Output signal crossover transition from idle voltage mode High-level output voltage 75 300 ns 4 4 90 1.3 20 20 110 2.0 ns ns 500 500 ps ps Min. Typ. Max. Unit
V
tLF
75
300
ns
tLRMA VCRS VOH
80 1.3 2.8
125 2.0 3.6
V V
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5.6 Power Switch Feature
AU6331 integrates a 3.3V to 2.5V voltage regulator and power switch to replace all MOS chips for flash card power supply.
Card Power Output Current Range
For SD/MMC/MS MAX: 100mA Card power output voltage range SD/MMC/MS: 3.3V0.3V AU6331 will turn off all of Card Power in suspend mode Figure 5.1 Card Detect Power-on Timing
1ms to 10ms ( Depend Load Capacitor )
3.3V+/- 0.3V
CARD_POWER
100ms + System Polling timing
CARD_DETECT
Page 19 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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6.0 Mechanical Information
Figure 6.1 48 Pin Mechanical Information Diagram
Page 20 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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Figure 6.2 28 Pin Mechanical Information Diagram
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7.0 Abbreviations
This chapter lists and defines terms and abbreviations used throughout this specification. SIE SD MMC MS UTMI Serial Interface Engine Secure Digital Multimedia Card Memory Stick Card USB Transceiver Macrocell Interface
Page 22 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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MEMO
About Alcor Micro, Corp Alcor Micro, Corp. designs, develops and markets highly integrated and advanced peripheral semiconductor, and software driver solutions for the personal computer and consumer electronics markets worldwide. We specialize in USB solutions and focus on emerging technology such as USB and IEEE 1394. The company offers a range of semiconductors including controllers for USB hub, integrated keyboard/USB hub and USB Flash memory card reader...etc. Alcor Micro, Corp. is based in Taipei, Taiwan, with sales offices in Taipei, Japan, Korea and California. Alcor Micro is distinguished by its ability to provide innovative solutions for spec-driven products. Innovations like single chip solutions for traditional multiple chip products and on-board voltage regulators enable the company to provide cost-efficiency solutions for the computer peripheral device OEM customers worldwide.
Page 23 of 23 AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
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