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1 d d a a t t a a b b o o o o k k AU6375 usb2.0 multi-lun flash card reader controller technical reference manual p p r r o o d d u u c c t t s s p p e e c c i i f f i i c c a a t t i i o o n n official release revision 1.01w public may 2006
page 2 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public data sheet status objective specification this data sheet contains target specifications for product development. preliminary specification t his data sheet contains preliminary data; supplementary data may be published later. product specification this data sheet contains final product specifications. revision history date revision description jan 2006 1.00w official release may 2006 1.01w add ?support sd 2.0 specification? feature
p a g e 3 of 21 a u 6375 u s b2.0 mu l t i - lu n f l a s h m e m ory c a rd r e ad e r v 1 .01w o ff i c ia l rel e ase_ p u blic copyr i ght notice copyr i ght 1 997 - 200 6 a lco r m ic r o co r p . a ll r i g h t s r eserved . tra d e m ark a c k n ow le dg e m e n t s the comp a n y a n d pro d uct names ment i o ned i n t h i s doc u ment m a y b e the t r ademarks or reg i stered t r ad emarks of t he i r manufac t urers. disclaime r a l cor m i cro cor p . reserves t h e r i g h t to c h a n ge th i s produ c t w i th o u t pr i o r not i ce. a lco r m ic r o co r p . ma k e s no w a r r a nt y f o r the use of its pr o duct s an d b e ars no re sponsibility f o r a n y e r r o r th a t a pp ear in t h is doc u m e n t . s peci f ic a t io n s a re s u bjec t to ch a n ge w i thout pr i o r not i ce.
page 4 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public table of contents 1 introduction ???????????????????????.. 6 1.1 description ??????????????????? ??????????.. 6 1.2 features ???????????????????? ???????????. 6 2 application block diagram ????????????????. 7 3 pin assignment ?????????????????????? 8 4 system architecture and reference design ???????.. 12 4.1 AU6375 block diagram ????????????? ?????????. 12 5 electrical characteristics ????????????????? 13 5.1 absolute maximum ratings ?????????????? ?????.. 13 5.2 recommended operating conditions ?????????????? 13 5.3 general dc characteristics ???????????????????? 13 5.4 dc electrical characteristics for 5 volts operation ?????? 14 5.5 usb transceiver characteristics ????????????????? 15 5.6 power switch feature ???????????? ???????????. 19 6 mechanical information ?????????????????? 20 7 abbreviations ???????..??????????????? 21
page 5 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public list of figures 2.1 block diagram ??????????????????? ????????????.. 7 3.1 pin assignment diagram ??????????????? ??????????.. 8 4.1 AU6375 block diagram ???????????????? ??????????? 12 5.1 card detect power-on timing ???????????? ??????????.. 19 6.1 mechanical information diagram ????????????? ???????.. 20 list of tables 3.1 pin descriptions ?????????????????? ???????????. 9 5.1 absolute maximum ratings ????????????? ?????????. 13 5.2 recommended operating conditions ????????????????.. 13 5.3 general dc characteristics ????????????????? ?????.. 13 5.4 dc electrical characteristics of 3.3v i/o cells ????????? 14 5.5 recommended operation conditions ????????????????.. 15 5.6 static characteristic digital in ???????????????????.. 15 5.7 static characteristic analog i/o pins dp/dm ?????????? 16 5.8 dynamic characteristic analog i/o pins dp/dm ???????? 18
page 6 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 1.0 introduction 1.1 description the AU6375 is a single chip integrated usb 2.0 multimedia card reader controller that enables pc/dvd/printer to read/write various type of flash media cards. flash media cards such as cf, smc, xd, sd, mmc, memory stick are widely used in digital camera, cell phone, pda and mp3 player to store digital photos and compressed music. performance of AU6375 is maximized by impl ementing the latest and fastest card specification available form the industry. especially, AU6375 is designed with the hi gh performance characteristic in flash card i/o speed. users can easy and fast transfer the digital content among the different flash card. 1.2 features support usb v2.0 specification and usb device class definition for mass storage, bulk-transport v1.0 support cf/md/sd/mmc/m s/ms_pro/ms_duo/xd/smc compatible flash card support the latest flash card specificat ion: cf 3.0 (16-bit ide mode), sd1.1 (hs-sd), mmc4.0 (8-bit), mspro parallel mode (4-bit), xd 1.2 support sd 2.0 specification hardware dma engine integrated for performance enhancement. work with default driver from window s 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 support dynamic icon utility support led for bus operating indication power switch integrated to reduce production bom cost 30mhz 8051 cpu built in 3.3v to 2.5v regulator cf slot can be disable by pin4 in 4.5 lun mode runs at 12mhz crystal available in 100-pin lqfp package
page 7 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 2.0 application block diagram following application diagram demonstrates a typical card reader using the AU6375 chip. by connecting the card reader to a desktop or notebook pc through usb bus, the AU6375 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. 2.1 block diagram pc with usb host controller moble phones pda mp3 player digital camera cf/ms/md/smc/ sd/mmc pc AU6375
page 8 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 3.0 pin assignment AU6375 is available in 100-pin lqfp packag e. below diagram shows signal name of each pin and table in the following page describes each pin in detail. figure 3.1 pin assignment diagram alcor micro AU6375 100-pin lqfp 31 32 33 34 35 36 37 38 39 40 55 54 53 52 60 59 58 57 56 65 64 63 62 61 70 69 68 67 66 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 cfad0 cled decv rfu1 xdcisn gpi1 gpi0 eepdata eepclk chipresetn vdda gnda avdd dp nc nc nc rref avss xi pvdd pvss vdd25v xo vddh smale smcdn vssh smdata2 smdata3 smdata0 smcle smdata1 smdata4 smdata7 smrbn smdata5 smdata6 smrdn xdcen xdwpn smwrn xdcdn nc msdata3 sdcdn sdclk msins sddata0 sdcmd sddata2 sddata3 sddata1 sddata5 sddata4 sddata7 sdwp sddata6 nc msbs msdata0 msdata1 msclk msdata2 vdd33 xd_v33 ms_v33 cf_v33 sd_v33 cfdata5 cfdata3 cfdata2 cfdata4 cfdata10 cfdata11 cfad2 cfcdn cfad1 cfdata15 cfdata1 cfdata13 cfdata12 cfdata14 cfdata0 cfrdn cfdata8 cfdata7 cfdata9 cfdata6 vdd cfwtn cfwrn gnd cfresetn 26 27 28 29 30 41 42 43 44 45 46 47 48 49 50 51 75 74 73 72 71 80 79 78 77 76 85 84 83 82 81 90 89 88 87 86 95 94 93 92 91 100 99 98 97 96 cfpwsw cfen rfu3 rpu nc dm
page 9 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public table 3.1 pin descriptions pin # pin name i/o description 1 cfad0 o cf address0 2 cled o led indicator for flash card operating 3 cfpwsw o cf card power switch.('0':on; '1':off) 4 cfen i cf slot enable ('0':enable[default]; '1':disable); only support in 4.5lun mode 5 decv i device current value. ('0':low power[default]; '1':high power) 6 rfu1 i reserved; floating 7 xdcisn i xd check cis. ('0':enable[default]; '1':disable) 8 gpi1 i slot mode select (gpi1,gpi0)=(0,0): reserved (gpi1,gpi0)=(0,1): 2 lun (gpi1,gpi0)=(1,0): 4.5 lun [default] (gpi1,gpi0)=(1,1) : 1 lun 9 gpi0 i slot mode select (gpi1,gpi0)=(0,0): reserved (gpi1,gpi0)=(0,1): 2 lun (gpi1,gpi0)=(1,0): 4.5 lun [default] (gpi1,gpi0)=(1,1) : 1 lun 10 eepdata io eepdata 11 eepclk o eepclk 12 chipresetn i chip reset 13 rfu3 i reserved; floating 14 vdda a analog 2.5v vdd 15 gnda a analog 2.5v gnd 16 rpu io connect 1.5k pull up res. to 3.3v vdd 17 avdd pwr analog power 3.3v 18 nc 19 nc 20 dp io dp 21 dm io dm 22 nc 23 nc 24 avss pwr analog gnd 25 rref io connect 1k res. to gnd for impedance match 26 pvdd pwr osc power 3.3v 27 xi i 12mhz crystal input 28 xo o 12mhz crystal output 29 pvss pwr osc gnd 30 vdd25v o 2.5v power output for core power 31 vddh i io power 3.3v 32 vssh i io gnd 33 smale o smc ale 34 smcdn i smc card detect (?0?:detected; ?1?:undetected)
page 10 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public pin # pin name i/o description 35 smcle o smc cle 36 smdata0 io xd/smc data0 37 smdata1 io xd/smc data1 38 smdata2 io xd/smc data2 39 smdata3 io xd/smc data3 40 smdata4 io xd/smc data4 41 smdata5 io xd/smc data5 42 smdata6 io xd/smc data6 43 smdata7 io xd/smc data7 44 smrbn i smc rbn 45 smrdn o smc rdn 46 smwrn o smc wrn 47 xdcdn i xd card detect (?0?:detected; ?1?:undetected) 48 xdcen o xd cen 49 xdwpn io xd wpn 50 nc 51 vdd33 i power switch 3.3v 52 cf_v33 o cf power 53 xd_v33 o xd power 54 ms_v33 o ms power 55 sd_v33 o sd power 56 msbs o ms bs 57 msclk o ms clk 58 msdata0 io ms data0 59 msdata1 io ms data1 60 msdata2 io ms data2 61 msdata3 io ms data3 62 msins i ms card detect (?0?:detected; ?1?:undetected) 63 sdcdn i sd card detect (?0?:detected; ?1?:undetected) 64 sdclk o sd clk 65 sdcmd io sd cmd 66 sddata0 io sd/mmc data0 67 sddata1 io sd/mmc data1 68 sddata2 io sd/mmc data2 69 sddata3 io sd/mmc data3 70 sddata4 io mmc data4 71 sddata5 io mmc data5 72 sddata6 io mmc data6 73 sddata7 io mmc data7 74 sdwp i sd write protect 75 nc 76 vdd i core power 2.5v input 77 gnd i core gnd 78 cfwtn i cf wtn 79 cfwrn o cf wrn 80 cfresetn o cf reset 81 cfrdn o cf rdn 82 cfdata9 io cf data9
page 11 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public pin # pin name i/o description 83 cfdata8 io cf data8 84 cfdata7 io cf data7 85 cfdata6 io cf data6 86 cfdata5 io cf data5 87 cfdata4 io cf data4 88 cfdata3 io cf data3 89 cfdata2 io cf data2 90 cfdata1 io cf data1 91 cfdata15 io cf data15 92 cfdata14 io cf data14 93 cfdata13 io cf data13 94 cfdata12 io cf data12 95 cfdata11 io cf data11 96 cfdata10 io cf data10 97 cfad1 o cf address1 98 cfad2 o cf address2 99 cfcdn i cf card detect (?0?:det ected; ?1?:undetected) 100 cfdata0 io cf data0
page 12 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 4.0 system architecture and reference design 4.1 AU6375 block diagram figure 4.1 AU6375 block diagram usb sie ram cf/md/sm/ sd/mmc/ms/ xd control fifo xcvr processor arbitrator rom 12mhz xtal 2.5v voltage regulator /power switch cf md sm sd mmc xd ms usb upstream port 2.5 v 3.3v
page 13 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 5.0 electrical characteristics 5.1 absolute maximum ratings table 5.1 absolute maximum ratings symbol parameter rating units v cc power supply -0.3 to v cc +0.3 v v in input signal voltage -0.3 to 3.6 v v out output signal voltage -0.3 to v cc +0.3 v t stg storage temperature -40 to 150 o c 5.2 recommended operating conditions table 5.2 recommended operating conditions symbol parameter min typ max units v cc power supply 3.0 3.3 3.6 v v dd digital supply 2.25 2.5 2.75 v v in input signal voltage 0 3.3 5.2 v t opr operating temperature 0 85 o c 5.3 leakage current and capacitance table 5.3 general dc characteristics symbol parameter conditions min typ max units i in input current no pull-up or pull-down -10 1 10 a i oz tri-state leakage current -10 1 10 a c in input capacitance pad limit 2.8 f c out output capacitance pad limit 2.8 f c bid bi-directional buffer capacitance pad limit 2.8 f
page 14 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 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 max unit v cc power supply 3.3v i/o 3.0 3.3 3.6 v v il input low voltage 0.8 v v ih input high voltage lvttl 2.0 v v ol output low voltage O i ol O =2~16ma 0.4 v v oh output high voltage O i oh O =2~16ma 2.4 v r pu input pull-up resistance pu=high, pd=low 40 75 190 k r pd input pull-down resistance pu=low, pd=high 40 75 190 k i in input leakage current v in = v cc or 0 -10 1 10 a i oz tri-state output leakage current -10 1 10 a
page 15 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 5.5 usb transceiver characteristics table 5.5 electrical characteristics symbol parameter conditions min. typ. max. unit avcc analog supply voltage 3.0 3.3 3.6 v vcc digital supply voltage 2.25 2.5 2.75 v i cc operating supply current high speed operating at 480 mhz 73 ma i cc(susp) suspend supply current in suspend mode, current with 1.5k pull-up resistor on pin rpu disconnected 120 a table 5.6 static characteristic digital pin symbol parameter conditions min. typ. max. unit input levels v il low-level input voltage 0.8 v v ih high-level input voltage 2.0 v output levels v ol low-level output voltage 0.2 v v oh high-level output voltage vcc-0.2 v avcc=3.0v~3.6v vcc=2.25v~2.75v temp=0 ~85
page 16 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public table 5.7 static characteristic analog i/o pins dp/dm symbol parameter conditions min. typ. max. unit usb2.0 transceiver hs input levels differential receiver v hsdiff high speed differential input sensitivity O v i dp -v i dm O measured at the connection as application circuit 300 mv v hscm high speed data signaling common mode voltage range -50 500 mv squelch detected 100 mv v hssq high speed squelch detection threshold no squelch detected 150 mv disconnection detected 625 mv v hsdsc high speed disconnection detection threshold disconnection not detected 525 mv output levels v hsoi high speed idle level output voltage(differential) -10 10 mv v hsol high speed low level output voltage(differential) -10 10 mv v hsoh high speed high level output voltage(differential) -360 400 mv v chirpj chirp-j output voltage differential 700 1100 mv v chirpk chirp-k output voltage differential -900 -500 mv resistance equivalent resistance used as internal chip only 3 6 9 r drv driver output impedance overall resistance including external resistor 40.5 45 49.5 termination v term termination voltage for pull-up resistor on pin rpu 3.0 3.6 v usb1.1 transceiver fs/ls input levels differential receiver v di differential input sensitivity O v i dp -v i dm O 0.2 v v cm differential common mode voltage 0.8 2.5 v input levels single-ended receivers
page 17 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public v se single ended receiver threshold 0.8 2.0 v output levels v ol low-level output voltage 0 0.3 v v oh high-level output voltage 2.8 3.6 v avcc=3.0v~3.6v vcc=2.25v~2.75v temp=0 ~85 table 5.8 dynamic characteristic analog i/o pins dp/dm symbol parameter conditions min. typ. max. unit driver characteristics high-speed mode t hsr high-speed differential rise time 500 ps t hsf high-speed differential fall time 500 ps full-speed mode t fr rise time cl=50pf 10 to 90 of O v oh -v ol O 4 20 ns t ff fall time cl=50pf 90 to 10 of O v oh -v ol O 4 20 ns t frma differential rise/fall time matching t fr / t ff excluding the first transition from idle mode 90 110 v crs output signal crossover voltage excluding the first transition from idle mode 1.3 2.0 v low-speed mode t lr rise time cl=200pf-600pf 10 to 90 of O v oh -v ol O 75 300 ns t lf fall time cl=200pf-600pf 90 to 10 of O v oh -v ol O 75 300 ns t lrma differential rise/fall time matching t lr / t lf excluding the first transition from idle mode 80 125 v crs output signal crossover voltage excluding the first transition from idle mode 1.3 2.0 v v oh high-level output voltage 2.8 3.6 v
page 18 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 5.6 power switch feature AU6375 integrates a 3.3v to 2.5v voltage re gulator and power switch to replace all mos chips for flash card (except cf card) power supply. card power output current range for sd/mmc max: 200ma for ms max: 100ma for xd/smc max: 70ma for cf max: 250ma card power output voltage range ms/xd/sd/mmc/smc/cf: 3.3v 0.3v AU6375 will turn off all of card power in suspend mode figure 5.1 card detect power-in timing 3.3v+/- 0.3v 1ms to 10ms ( depend load capacitor ) card_power card_detect 100ms + system polling timing
page 19 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 6.0 mechanical information figure 6.1 mechanical information diagram
page 20 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public 7.0 abbreviations this chapter lists and defines terms and abbreviations used throughout this specification. sie serial interface engine cf compact flash md micro drive smc smartmedia card ms memory stick sd secure digital mmc multimedia card utmi usb transceiver macrocell interface
page 21 of 21 AU6375 usb2.0 multi-lun flash memory card reader v1.01w official release_ public memo about alcor micro, corp alcor micro, corp. designs, develops and markets highly integrated and advanced peripheral semiconductor, an d software driver solution s for the personal computer and consumer electronics markets worldwid e. 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 ca rd 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 comput er peripheral device oem customers worldwide.

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