AU6372 USB2.0 Single LUN Multiple Flash Card Reader Controller Technical Reference Manual AU6372 USB2.0 Single LUN Multiple Flash Card Reader Controller Copyright 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. 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. Revision History Date Revision Dec 2007 1.00W Description Official release 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 China ShenZhen Office Rm.2407-08, Industrial Bank Building No.4013, Shennan Road, ShenZhen,China. 518026 Phone: (0755) 8366-9039 Fax: (0755) 8366-9101 Santa Clara Office 2901 Tasman Drive, Suite 206 Santa Clara, CA 95054 USA Phone: (408) 845-9300 Fax: (408) 845-9086 Los Angeles Office 9070 Rancho Park Court Rancho Cucamonga, CA 91730 USA Phone: (909) 483-8821 Fax: (909) 944-0464 <Memo> 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 ....... 6 4.1 AU6372 Block Diagram ...............................................................6 5. Electrical Characteristics ...................................... 7 5.1 Absolute Maximum Ratings........................................................7 5.2 Recommended Operating Conditions .......................................7 5.3 General DC Characteristics ........................................................7 5.4 DC Electrical Characteristics of 3.3V I/O Cells..........................8 5.5 USB Transceiver Characteristics ...............................................8 6. Mechanical Information ......................................... 11 7. Abbreviations ......................................................... 12 i List of Figures Figure 2.1 Block Diagram..................................................................2 Figure 3.1 Pin Assignment Diagram ................................................3 Figure 4.1 AU6372 Block Diagram ...................................................6 Figure 6.1 Mechanical Information Diagram ...................................11 List of Tables Table 3.1 Pin Descriptions ................................................................4 Table 5.1 Absolute Maximum Ratings .............................................7 Table 5.2 Recommended Operating Conditions .............................7 Table 5.3 General DC Characteristics ..............................................7 Table 5.4 DC Electrical Characteristics of 3.3V I/O Cells ...............8 Table 5.5 Electrical characteristics ..................................................8 Table 5.6 Static characteristic:Digital pin .....................................9 Table 5.7 Static characteristic:Analog I/O pins(DP/DM)..........9 Table 5.8 Dynamic characteristic:Analog I/O pins(DP/DM).....10 ii 1. Introduction 1.1 Description The AU6372 is a highly integrated single chip media USB card reader controller that supports all popular form factor digital cards, such as SD, MMC, MS, MS Pro, MS Duo and XD. In addition to the small form factor and low BOM cost the solution also implement high performance operation a sophisticated DMA engine. With the compliance with USB Storage Class V1.0, AU6372 not only exhibits wide acceptance in various OS platforms, its multiple slot design further enables the solution adapters become the content exchange center for mobile media. It 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 AU6372, users can transfer digital data between flash memory card and PC or these electronic devices. The AU6372 used 48 pin package specifically designed for small foot print application, such as Note book and printer. In addition to its high performance and outstanding compatibility, the solution of AU6372 comes with a user-friendly utility to enhance users’ experience. Moreover, AU6372 integrates power switch to reduce the overall BOM cost. 1.2 Features Supports USB 2.0 specification and USB Device Class Definition for Mass Storage, Bulk-Transport V1.0 Supports SD/MMC/MS/MS_Pro/MS_Duo/xD/SMC compatible flash card in 48 pin package Support SD spec up to ver.2.0 (SDHC) Support MMC spec up to ver.4.2 Support MS 1.43 / MSPRO 1.04. MSPRO-HG compatible with 4-bit interface. Support xD 1.2 / SM 2003 A built-in DMA engine for data transmission performance enhancement Work with default driver from Windows ME/2000/XP and Mac OS. Ping-pong FIFO implementation for concurrent bus operation Supports multiple sector burst transfer for optimized performance Supports Dynamic Icon Utility to enhance user experience Supports LED for bus activities indication Power switch integrated to reduce production BOM cost Support power saving mode for NoteBook solution AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 1 2. Application Block Diagram The following application drawing demonstrates a typical card reader block diagram using AU6372. By connecting one card reader to a desktop or notebook PC through USB bus, the AU6372 becomes a bus-powered, high speed USB card reader, which can be used as a bridge for data transfer between Desktop PC and Notebook PC. Figure 2.1 Block Diagram Digital Camera MP3 Player PC with USB Host Controller PDA MS/xD/ SD/MMC AU6372 Moble Phones PC 2 AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 3. Pin Assignment The AU6372 is delivered in 48pin LQFP form factor. Documented below is a figure shows signal names of each pin and a table in the following page describes each pin in more details. Figure 3.1 Pin Assignment Diagram CHIPRESETN CARDDATA15 CARDDATA14 CARDDATA13 CARDDATA12 CARDDATA11 CARDDATA10 CARDDATA9 CARDDATA8 EEPDATA EEPCLK GPI6 PWRSAVE 48 47 46 45 44 43 42 41 40 39 38 37 1 36 CARDDATA7 GND 2 35 CARDDATA6 VDDHM 3 34 CARDDATA5 VDD 4 33 CARDDATA4 REXT 5 32 CARDDATA3 VD33P 6 31 CARDDATA2 DP 7 30 CARDDATA1 DM 8 29 CARDDATA0 VS33P 9 28 GPON6 XI 10 27 CONTROLOUT0 XO 11 26 CONTROLOUT1 VDDU 12 25 CONTROLOUT2 ALCOR MICRO AU6372 48PIN LQFP 13 14 15 16 17 18 19 20 21 22 23 24 EXT48IN V18 VDDH CF_V33 VSSH MSINS SMCDN SDCDN XDCDN CONTROLOUT5 CONTROLOUT4 CONTROLOUT3 AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 3 Table 3.1 Pin Descriptions Pin # Pin Name I/O 1 PWRSAVE I 2 GND I 3 VDDHM 4 VDD 5 REXT 6 VD33P 7 DP I/O USB DP 8 DM I/O USB DM 9 VS33P 10 XI I 12 MHz crystal input. 11 XO O 12 MHz crystal output. 12 VDDU 13 EXT48IN 14 V18 O Core Power 1.8V 15 VDDH I 3.3V for IO pad 16 CF_V33 O Card Power 3.3V 17 VSSH IO 18 MSINS I 19 SMCDN I 20 SDCDN I 21 XDCDN I 22 CONTROLOUT5 O Power Ground MS Card detect, Pull down when suspend otherwise Pull Up SMC Card detect, Pull down when suspend otherwise Pull Up SD Card detect, Pull down when suspend otherwise Pull Up XD Card detect, Pull down when suspend otherwise Pull Up XDWRN 23 CONTROLOUT4 O XDRDN 24 CONTROLOUT3 O XDCEN 25 CONTROLOUT2 O XDALE 26 CONTROLOUT1 O MSCLK and XDCLE 27 CONTROLOUT0 O 28 GPON6 O SDCLK and MSBS LED ON for card exists,LED Off when card not exists or in suspend mode when Full speed mode ("1": Exist; "0": Nonexist) 29 CARDDATA0 I/O MSDATA0,and SDCMD 30 CARDDATA1 I/O MSDATA1,XDWPN 4 Description "0" is enable ; "1" is disable Core Power Gound 3.3V for IO pad Core Power 1.8V O External Resistor 330 to Ground 3.3V Power Ground Power UTMI Power 1.8 V Reserved for 48MHz input AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W Pin # Pin Name I/O Description 31 CARDDATA2 I/O MSDATA2,and SDWP 32 CARDDATA3 I/O MSDATA3 and XDRBN 33 CARDDATA4 I/O SDDATA0 34 CARDDATA5 I/O SDDATA1 35 CARDDATA6 I/O SDDATA2 36 CARDDATA7 I/O 37 GPI6 I 38 EEPCLK I SDDATA3 NOT_CIS_CHECK_DETECTION ("1":Disable xD CIS_CHECK; "0":Enable xD CIS_CHECK) EEPROM serial clock. 39 EEPDATA O EEPROM for PID,VID customization. 40 CARDDATA8 I/O XDDATA0, and SDDATA4 41 CARDDATA9 I/O XDDATA1, and SDDATA5 42 CARDDATA10 I/O XDDATA2, and SDDATA6 43 CARDDATA11 I/O XDDATA3, and SDDATA7 44 CARDDATA12 I/O XDDATA4 45 CARDDATA13 I/O XDDATA5 46 CARDDATA14 I/O XDDATA6 47 CARDDATA15 I/O 48 CHIPRESETN I XDDATA7 ResetN (low active to reset the whole chip), must be pull up with RC. AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 5 4. System Architecture and Reference Design 4.1 AU6372 Block Diagram Figure 4.1 AU6372 Block Diagram USB USB Upstream Port XCVR Processor 1.8V Voltage Regulator /Power Switch 3.3V 6 RAM SIE ROM SD/MMC/MS /xD/SMC Control FIFO SD MMC MS xD SMC Arbitrator PLL 12MHz XTAL 48MHz In AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 5. Electrical Characteristics 5.1 Absolute Maximum Ratings Table 5.1 Absolute Maximum Ratings SYMBOL PARAMETER RATING UNITS VDDH Power Supply -0.3 to 3.6 V VIN Input Signal Voltage -0.3 to VDDH +0.3 V TSTG Storage Temperature -40 to 150 O C 5.2 Recommended Operating Conditions Table 5.2 Recommended Operating Conditions SYMBOL PARAMETER MIN TYP MAX UNITS VDDH Power Supply 3.0 3.3 3.6 V VDD V18 Digital Supply 1.62 1.8 1.98 V VIN Input Signal Voltage 0 3.3 3.6 V TOPR Operating Temperature 0 O 85 C 5.3 General DC Characteristics Table 5.3 General DC Characteristics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IIN Input current No pull-up or pull-down -10 ±1 10 µA IOZ Tri-state leakage current -10 ±1 10 µA CIN Input capacitance Pad Limit 2.8 ρF COUT Output capacitance Pad Limit 2.8 ρF CBID Bi-directional buffer capacitance Pad Limit 2.8 ρF AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 7 5.4 DC Electrical Characteristics of 3.3V I/O Cells Table 5.4 DC Electrical Characteristics of 3.3V I/O Cells SYMBOL PARAMETER CONDITIONS VDDH Power supply 3.3V I/O Vil Input low voltage Limits UNIT MIN TYP MAX 3.0 3.3 3.6 V 0.8 V LVTTL Vih Input high voltage Vol Output low voltage ∣Iol∣=2~16mA Voh Output high voltage ∣Ioh∣=2~16mA 2.4 Rpu Input pull-up resistance PU=high, PD=low 55 75 110 KΩ Input pull-down resistance PU=low, PD=high 40 75 150 KΩ -10 ±1 10 μA -10 ±1 10 μA Rpd Iin Input leakage current Ioz Tri-state output leakage current 2.0 Vin= VDDH or 0 V 0.4 V V 5.5 USB Transceiver Characteristics Table 5.5 Electrical characteristics Symbol Parameter VD33 8 Conditions Min. Typ. Analog supply Voltage 3.0 3.3 3.6 V VDDU VDDA Digital supply Voltage 1.62 1.8 1.98 V ICC Operating supply current 55 mA High speed operating at 480 MHz Max. Unit AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W Table 5.6 Static characteristic:Digital pin Symbol Parameter Conditions Min. Typ. Max. Unit 0.8 V Input levels VIL Low-level input voltage VIH High-level input voltage 2.0 V Output levels VOL Low-level output voltage VOH High-level output voltage 0.2 V VDDH-0.2 V Table 5.7 Static characteristic:Analog I/O pins(DP/DM) Symbol Parameter Conditions Min. Typ. Max. Unit VHSDIFF VHSCM USB2.0 Transceiver(HS) Input Levels(differential receiver) ∣VI(DP)-VI(DM)∣ High speed differential measured at the 300 input sensitivity connection as application circuit High speed data signaling common mode voltage -50 range VHSSQ High speed squelch detection threshold VHSDSC High speed disconnection detection threshold VHSOI VHSOL VHSOH VCHIRPJ VCHIRPK RDRV mV Squelch detected No squelch detected Disconnection detected Disconnection not detected Output Levels 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) Resistance Equivalent resistance Driver output impedance used as internal chip only 500 mV 100 mV 150 mV 625 mV 525 mV -10 10 mV -10 10 mV -360 400 mV 700 1100 mV -900 -500 mV 9 Ω 3 6 AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 9 Overall resistance including external resistor Termination 40.5 45 Termination voltage for pull-up resistor on pin 3.0 RPU USB1.1 Transceiver(FS) Input Levels(differential receiver) Differential input ∣VI(DP)-VI(DM)∣ 0.2 sensitivity Differential common 0.8 mode voltage Input Levels(single-ended receivers) Single ended receiver 0.8 threshold Output levels VTERM VDI VCM VSE 49.5 3.6 V V 2.5 V 2.0 V VOL Low-level output voltage 0 0.3 V VOH High-level output voltage 2.8 3.6 V Table 5.8 Dynamic characteristic:Analog I/O pins(DP/DM) Symbol Parameter Conditions Min. Typ. Max. Unit Driver Characteristics High-Speed Mode tHSR tHSF High-speed differential rise time High-speed differential fall time 500 ps 500 ps Full-Speed Mode tFR tFF tFRMA VCRS 10 CL=50pF;10 to 90﹪ of∣VOH-VOL∣; CL=50pF;90 to 10﹪ Fall time of∣VOH-VOL∣; Excluding the first Differential rise/fall time transition from idle matching(tFR / tFF) mode Excluding the first Output signal crossover transition from idle voltage mode Rise time 4 20 ns 4 20 ns 90 110 % 1.3 2.0 V AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 6. Mechanical Information Figure 6.1 Mechanical Information Diagram E 0.25 E1 1 A GAUGE PLANE 1 D D SEATING PLANE L L1 MIN. MAX. -1.6 0.05 0.15 1.35 1.45 0.09 0.16 9.00 BSC 7.00 BSC 9.00 BSC 7.00 BSC 0.5 BSC 0.17 0.27 0.45 0.75 1 REF A SYMBOLS A A1 A2 c1 D D1 E E1 e b L L1 2 A 1 C b e 1. 2. JEDEC OUTLINE: MS-026 BBC DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION. ALLOWABLE PROTRUSION IS 0.25mm PER SIDE. D1 AND E1 ARE MAXIMUM PLASTIC BODY SIZE DIMENSIONS IMCLUDING MOLD MISMATCH. 3. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL NOT CAUSE THE LEAD WIDTH TO EXCEED THE MAXIMUM b DIMENSION BY MORE THAN 0.08mm AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W 11 7. Abbreviations In this chapter some of the terms and abbreviations used throughout the technical reference manual are listed as follows. SIE MS SD MMC UTMI Serial Interface Engine Memory Stick Secure Digital Multimedia Card USB Transceiver Macrocell Interface 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. 12 AU6372 USB 2.0 Single LUN Multiple Flash Card Reader Controller V1.00W