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a u6372 usb2.0 single lun multiple flash card reader controller t e c hnical r e f e r ence manual
AU6372 usb2.0 single lun multiple flash card reader controller
c c o o p p y y r r i i g g h h t t 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 l anguage, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without prior written permission from alcor micro, corp. t t r r a a d d e e m m a a r r k k a a c c k k n n o o w w l l e e d d g g e e m m e e n n t t s s the company and product names mentioned in this document may be the trademarks or registered trademarks of their manufacturers. d d i i s s c c l l a a i i m m e e r r 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. r r e e v v i i s s i i o o n n h h i i s s t t o o r r y y date revision description dec 2007 1.00w official release c c o o n n t t a a c c t t i i n n f f o o r r m m a a t t i i o o n n : : web site: http://www.alcormicro.com/ taiwan china shenzhen office alcor micro, corp. rm.2407-08, industrial bank building 4f, no 200 kang chien rd., nei hu, no.4013, shennan road, taipei, taiwan, r.o.c. shenzhen,china. 518026 phone: 886-2-8751-1984 phone: (0755) 8366-9039 fax: 886-2-2659-7723 fax: (0755) 8366-9101 santa clara office los angeles office 2901 tasman drive, suite 206 9070 rancho park court santa clara, ca 95054 rancho cucamonga, ca 91730 usa usa phone: (408) 845-9300 phone: (909) 483-8821 fax: (408) 845-9086 fax: (909) 944-0464

i 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 characteris tics of 3.3v i/o cells ..........................8 5.5 usb transceiver characteristics ...............................................8 6. mechanical information ......................................... 11 7. abbreviations ......................................................... 12
ii 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
AU6372 usb 2.0 single lun multiple flash card reader controller v1.00w 1 1. introduction 1 1 . . 1 1 d d e e s s c c r r i i p p t t i i o o n n 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 1 . . 2 2 f f e e a a t t u u r r e e s s 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
au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 2 2. application block diagram the followin g applicatio n drawing demonstrates a typical ca rd reader block diagram using AU6372. by connecting one card reader t o a desktop or noteboo k pc through usb bus, th e AU6372 b e comes a bus-powered, high speed usb card reader , which can be used as a bridge for dat a transfer between desktop pc and notebook pc. figure 2.1 block diagram pc wi t h usb host con t rol l er ms /x d / s d / mmc pc au63 72 mo b l e p h on es pda mp3 p l a y er digi ta l c a m e ra
au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 3 3. pin assignment the AU6372 is delivere d in 48pin l q fp form fa ctor . docu mented below is a figure shows signa l names of e a ch pin and a t able in th e following p age describes each p i n in more det ails. figure 3.1 pin assignment diagram 1 2 3 5 4 6 7 8 10 9 11 33 32 31 29 30 34 4 6 4 5 44 43 42 12 35 36 28 27 26 25 41 4 0 39 3 8 3 7 47 48 13 1 4 15 16 1 7 1 8 19 20 2 1 22 2 3 2 4 pwr s av e gnd vdd h m vd d rext vd 33 p dp dm vs 33p xi xo vdd u controlout2 contr o l o ut1 controlout0 gp on6 ca r dda ta 0 car dda ta 1 car dda ta 2 car dda ta 3 ca r dda ta 6 ca r dda ta 7 ca r dda ta 4 ca r dda ta 5 co n t ro l o ut3 sdcd n smcdn co n t ro l o ut5 co n t ro l o ut4 xdcd n vssh cf_v33 e x t48i n vddh msi n s v18 gp i6 ee pc lk ee pdata carddata8 carddata9 car ddata10 car ddata11 carddat a 12 ca rddata13 ca rddata14 chipresetn ca rddata15 alcor micro AU6372 48pin lqfp
AU6372 usb 2.0 single lun multiple flash card reader controller v1.00w 4 table 3.1 pin descriptions pin # pin name i/o description 1 pwrsave i "0" is enable ; "1" is disable 2 gnd i core power gound 3 vddhm 3.3v for io pad 4 vdd core power 1.8v 5 rext o external resistor 330 to ground 6 vd33p 3.3v power 7 dp i/o usb dp 8 dm i/o usb dm 9 vs33p ground power 10 xi i 12 mhz crystal input. 11 xo o 12 mhz crystal output. 12 vddu utmi power 1.8 v 13 ext48in reserved for 48mhz input 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 power ground 18 msins i ms card detect, pull down when suspend otherwise pull up 19 smcdn i smc card detect, pull down when suspend otherwise pull up 20 sdcdn i sd card detect, pull down when suspend otherwise pull up 21 xdcdn i xd card detect, pull down when suspend otherwise pull up 22 controlout5 o xdwrn 23 controlout4 o xdrdn 24 controlout3 o xdcen 25 controlout2 o xdale 26 controlout1 o msclk and xdcle 27 controlout0 o sdclk and msbs 28 gpon6 o 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
AU6372 usb 2.0 single lun multiple flash card reader controller v1.00w 5 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 sddata3 37 gpi6 i not_cis_check_detection ("1":disable xd cis_check; "0":enable xd cis_check) 38 eepclk i 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 xddata7 48 chipresetn i resetn (low active to reset the whole chip), must be pull up with rc.
4. system architecture and reference design 4 4 . . 1 1 a a u u 6 6 3 3 7 7 2 2 b b l l o o c c k k d d i i a a g g r r a a m m figure 4.1 AU6372 block dia g ram 3.3v 1.8v vo l t a g e re g u l a t o r /p ower s w i t ch pll 12mhz xtal usb sie ram sd/mmc /ms /xd/smc co ntr o l fifo processor arbitrator rom xcvr sd mmc ms xd sm c usb upstream po r t 48mhz in au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 6
5. electrical characteristics 5 5 . . 1 1 a a b b s s o o l l u u t t e e m m a a x x i i m m u u m m r r a a t t i i n n g g s s table 5.1 absolute maximum ratings symbol parameter rating units v ddh power supp ly -0.3 to 3.6 v v in input signal v o lt age -0.3 to v ddh +0.3 v t stg s t orage t e mperature -40 to 150 o c 5.2 reco mmended oper at ing con d itions table 5.2 recommended operating conditions symbol parameter min typ max units v ddh power supp ly 3.0 3.3 3.6 v v dd v 18 digit a l supply 1.62 1.8 1.98 v v in input signal v o lt age 0 3.3 3.6 v t opr operating t e mperature 0 85 o c 5 5 . . 3 3 g g e e n n e e r r a a l l d d c c c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s table 5.3 general d c characteristics symbol parameter conditi o ns min typ max units i in input curren t no pull-up or p ull-down -10 1 10 a i oz t r i-st ate lea k age current -10 1 10 a c in input cap a cit ance pad limit 2.8 f c out output cap a cit ance pad limit 2.8 f c bid bi-directiona l buf fer ca p acit ance pad limit 2.8 f au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 7
5 5 . . 4 4 d d c c e e l l e e c c t t r r i i c c a a l l c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s o o f f 3 3 . . 3 3 v v i i / / o o c c e e l l l l s s table 5.4 dc electrical charac teristics of 3.3v i/o cells limit s symbol parameter conditi o ns min ty p max unit v ddh power supply 3.3v i/o 3.0 3.3 3.6 v v il input low volt age 0.8 v v ih input high volt age l v ttl 2.0 v v ol output low volt age O i ol O =2~16ma 0.4 v v oh output high volt age O i oh O =2~16ma 2.4 v r pu input pull-up resist ance pu=high, pd=low 55 75 1 10 k r pd input pull-do wn resist ance pu=low , pd=high 40 75 150 k i in input leakag e current v in = v ddh or 0 -10 1 10 a i oz t r i-st ate output leakage current -10 1 10 a 5 5 . . 5 5 u u s s b b t t r r a a n n s s c c e e i i v v e e r r c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s table 5.5 electrical characteristics symbol paramete r condit ion s min. typ. max. unit vd33 analog supp ly v o lt age 3.0 3.3 3.6 v vddu vdda digit a l supply v o lt age 1.62 1.8 1.98 v i cc operating supply current high speed operating at 480 mhz 5 5 m a au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 8
table 5.6 static characteristic digital pin symbol paramete r condit ion s min. typ. max. unit input levels v il low-level input volt age 0.8 v v ih high-level input volt age 2.0 v output levels v ol low-level output volt age 0.2 v v oh high-level output volt age vddh-0.2 v table 5.7 static characteristic analog i/o pins dp/dm symbol paramete r condit ion s min. typ. max. unit usb2.0 t r a n sceiver hs input levels dif f erentia l receiver v hsdi ff high speed dif f erential input sensitivity O v i dp -v i dm O measured at the connection as application circuit 3 0 0 m v v hscm high speed dat a signaling common mo de volt age range - 5 0 5 0 0 m v squelch det ected 100 mv v hssq high speed squelch detection thr e shold no squelch detected 150 mv disconnection detected 6 2 5 m v v hsdsc high speed disconnectio n detection thr e shold disconnection not detected 5 2 5 m v output leve l s v hsoi high speed idle level output volt age(dif f erential) - 1 0 1 0 m v v hsol high speed low level output volt age(dif f erential) - 1 0 1 0 m v v hsoh high speed high level output volt age(dif f erential) - 3 6 0 4 0 0 m v v chi rpj chirp-j output volt age dif f erentia l 7 0 0 1 1 0 0 m v v chi rpk chirp-k output volt age dif f erentia l - 9 0 0 - 5 0 0 m v resist ance r dr v driver outpu t impedance equivalent resist ance used as inte rnal chip only 3 6 9 au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 9
o v e r a l l resist a n c e including ext e rnal resistor 4 0 . 5 4 5 4 9 . 5 t e rmination v term t e rmination volt age for pull-up resistor on pin rpu 3 . 0 3 . 6 v usb1.1 t r a n sceiver fs input levels dif f erentia l receiver v di dif f erential input sensitivity O v i dp -v i dm O 0 . 2 v v cm dif f erential common mode volt ag e 0 . 8 2 . 5 v input levels single-en ded receivers v se single ende d receiver threshold 0 . 8 2 . 0 v output levels v ol low-level output volt age 0 0.3 v v oh high-level output volt age 2.8 3.6 v table 5.8 dynamic characteristic analog i/o pins dp/dm symbol paramete r condit ion s min. typ. max. unit driver characteristics high-s peed mode t hsr high-speed dif f erential rise time 5 0 0 p s t hsf high-speed dif f erential f a ll time 5 0 0 p s full-s peed mode t fr rise time cl=50pf 10 to 90 of O v oh -v ol O 4 2 0 n s t ff fall time cl=50pf 90 to 10 of O v oh -v ol O 4 2 0 n s t frma dif f erential r i se/fall t i me matching t fr / t ff excluding the first transition fro m idle mode 9 0 1 1 0 v crs output signal crossover volt age excluding the first transition fro m idle mode 1 . 3 2 . 0 v au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 10
6. mechanical information figure 6.1 mechanical information diagram b e ? ? ? ? ? l1 l 0 . 2 5 g a u g e pl an e seat in g pl an e ? ? e1 e ? s y mbo l s min. max. a -- 1 . 6 a1 0.05 0 . 15 a2 1.35 1 . 45 c 1 0.09 0 . 16 d 9 . 00 bsc d 1 7 . 00 bsc e 9 . 00 bsc e 1 7 . 00 bsc e 0. 5 b s c b 0.17 0 . 27 l 0.45 0 . 75 l1 1 r e f 1. je dec out l i n e: ms -02 6 b b c 2. di men s ion s d 1 a n d e 1 do no t in c l u d e m o l d pr o t r u s i o n . al l o w a bl e pro t rusio n is 0 . 2 5 m m p e r si de. d1 a n d e 1 a r e m a x i m u m pl a s t ic bo dy s i z e d i m e n s io n s im c l u d in g m o l d m i s m a t c h . 3. di men s ion b does n o t i n c l ude d a mbar pro t ru sion . al l o w a bl e d a mbar pro t ru sion s h al l n o t caus e t h e le a d w i d t h t o exc e ed t h e ma x i m u m b di mens ion b y more t h a n 0.08 mm au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 11
7. abbreviations in this chap ter some of the terms and abbreviations used throughout the technical reference manual are listed as follow s . sie serial interf ace engine ms memor y s t ic k sd secure digit a l mm c multimedia card utmi usb t r ansceiv er m a crocell interfa c e about alcor micro, corp. alcor micro, corp. designs, develo p s and market s highly integrated a nd advanced peripheral semiconduct o r , and sof t ware driver solution s f o r the personal computer and consu m er electronics market s worldwide. w e spe c ia lize in usb solution s a nd focus on emerging technology such as usb and ieee 1394. the comp an y of fers a range of semiconductors including controllers fo r usb hub, integrated keyboard/usb hub and usb flash memory card reader?etc. alcor micro, corp. is ba sed in t a ipe i , t a iwan, wit h sales of fices in t a ip ei, jap an, korea and california. alcor micro is distinguishe d by it s ability to provide i nnovative solution s f o r spec-driv en product s . innovations like sing le chip solutions for traditional multiple chip p r oduct s and on-board vo lt age regulators enable the comp an y to provide cost-ef f icien c y solutions for the computer periphe ral device oem custome r s worldwide. au637 2 usb 2.0 single lun multipl e f l ash card re ader cont roll er v1.00 w 12

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