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1 d d a a t t a a b b o o o o k k AU6331 usb2.0 sd/mmc/ms single/dual lun 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 1.02w public aug 2006
page 2 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public data book status objective specification this data book contains target specifications for product development. preliminary specification t his data book contains preliminary data; supplementary data may be published later. product specification this data book contains final product specifications. revision history date revision description jul 2005 1.00w official release sep 2005 1.01w 1. modified "5.2 recommended operating conditions" 2. moved "3.0 power switch feature" to "5.6 power switch feature" aug 2006 1.02w add new address of china shenzhen office
page 3 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public 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 th e 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 china shenzhen office alcor micro corp. rm.2407-08 ,industrial bank building 4f, no 200 kang chien rd., nei hu, no.4013, shennan road ,shenzhen,china. taipei, taiwan, r.o.c. 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) 483-9900 fax: (408) 845-9086 fax: (909) 944-0464
page 4 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w 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 3.1 pin assignment diagram ?????????????..????????. 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 ?????????????? 14 5.3 general dc characteristics ???????????????????? 14 5.4 dc electrical characteristics for 5 volts operation ?????? 15 5.5 usb transceiver characteristics ????????????????? 16 5.6 power switch feature ?????????????? ?????????.. 19 6 mechanical information ?????????????????? 20 7 abbreviations ???????..??????????????? 22
page 5 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public list of figures 2.1 block diagram ??????????????????? ????????????.. 7 3.1 48 pin assignment diagram ???????????????????????.. 8 3.2 28 pin assignment diagram ????????????? ??????????? 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 48 pin descriptions ?????????????????? ?????????. 10 3.2 28 pin descriptions ?????????????????? ?????????.. 12 5.1 absolute maximum ratings ??????????????????????. 14 5.2 recommended operating conditions ????????????????.. 14 5.3 general dc characteristics ????????????????? ?????.. 14 5.4 dc electrical characteristics of 3.3v i/o cells ????????? 15 5.5 recommended operation conditions ????????????????.. 16 5.6 static characteristic digital in ???????????????????.. 16 5.7 static characteristic analog i/o pinsdp/dm ?????????? 17 5.8 dynamic characteristic analog i/o pins dp/dm ???????? 18
page 6 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public 1.0 introduction 1.1 description AU6331 is an usb2.0 transmission controlle r, which is designed as an interface bridge between usb host and sd/ms compat ible 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 charac teristic 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 us b device class de finition for mass storage, bulk-transport v1.0 support sd/mmc/ms compatible flash card 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/w rite 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
p a ge 7 of 23 a u 6331 u s b 2 . 0 sd/ mmc / m s si ng l e / d ual lu n f l as h memory card r e ad e r v1. 02w official release _ public 2.0 application block diagram f o llow i n g is t h e applica t ion diagr a m of a t y pical card reader produ c t w i t h AU6331. by connecting the card reader to a de sktop or notebook p c t h roug h u s b bus, a u 6331 is implemented as a b u s-powered, high speed u s b card rea d er , which can be used as a bridge for data tr a n sfer between desktop p c and no tebook p c . 2.1 bl ock diagr a m pc wi th usb h o s t co nt r o l l e r us b f l a s h m e m o ry c a rd re ad e r mo bl e p h o n e s pda mp3 pl aye r d i g i t a l c a m era sd/ mmc/ m s pc
p a ge 8 of 23 a u 6331 u s b 2 . 0 sd/ mmc / m s si ng l e / d ual lu n f l as h memory card r e ad e r v1. 02w official release _ public 3.0 pin assignment 3.1 pin assignment diagram figu re 3. 1 48 pin ass i gnm e nt d i agr a m vd d / rd e r mod e sdd a ta1 1 2 3 5 4 6 7 8 10 9 11 33 32 31 29 30 34 46 4 5 4 4 43 4 2 12 35 36 28 27 26 25 41 40 3 9 38 37 47 48 1 3 1 4 15 1 6 1 7 18 1 9 20 21 2 2 23 24 al cor mi cro au63 31 48 pin lq fp rfu4 rstn rfu4 gp i2 spd _ sel rfu0 rfu1 suspen d mo d e se l sdd a ta3 sdd a ta2 eepclk eppdata msda ta2 msda ta1 msda ta0 msc l k msb s msi n s nc rfu3 gn d msdata3 vssh vdd h ms_v33 sd_v3 3 vdd h pvss xo rr e f xi vdd 25d pvdd sddata0 sdwp sd cd n sdclk sdcm d rfu2 cled0 rpu av dd dp dm avss
p a ge 9 of 23 a u 6331 u s b 2 . 0 sd/ mmc / m s si ng l e / d ual lu n f l as h memory card r e ad e r v1. 02w official release _ public figu re 3. 2 28 pin a s sign ment diagr a m 1 2 3 4 5 6 7 8 9 10 11 12 17 28 27 26 25 24 23 22 21 20 19 18 13 14 16 15 gnd rs t n suspen d sd dat a3 sd dat a2 sd dat a1 sd dat a0 sd w p sd cd n sd cl k sdc md gp on7 rp u v dda _u dp dm vssa_ u rr e f vd 33 p_ u xi xo vs3 3p_u v2 5_ o v ddh vssh v ddh sd _v3 3 v dd/ r d ermode al co r mi cro au633 1 28-pin s s op
page 10 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public table 3.1 48 pin descriptions pin # pin name i/o description 1 sddata0 i/o sd data0 2 sdwp i sd write protect; pull up with res. 3 sdcdn i sd card detect ("1": undete cted[default];"0":detected) 4 sdclk o sd clk 5 sdcmd i/o sd cmd; pull up with res. 6 rfu2 i always pull low 7 cled0 o led on for card exists for full/high speed 8 rpu i pull up with 1.5k res. to 3.3v vdd 9 avdd p 3.3v analog power 10 dp i/o dp 11 dm i/o dm 12 avss p analog ground 13 rref i pull down with 1k res. to avss 14 pvdd p osc power 3.3v 15 xi i 12mhz oscillator input 16 xo o 12mhz oscillator output 17 pvss p osc ground 18 vdd25d p 2.5v output for core power 19 vddh p io power 3.3v 20 vssh p io ground 21 vddh p io power 3.3v 22 ms_v33 p ms card power 23 sd_v33 p sd card power 24 msdata3 i/o ms data3 25 eepclk o eeprom clk 26 eepdata i/o eeprom data 27 msdata2 i/o ms data2 28 msdata1 i/o ms data1 29 msdata0 i/o ms data0 30 msclk o ms clk 31 msbs o ms bs 32 msins i ms card detect ("1": undete cted[default];"0":detected)
page 11 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public pin # pin name i/o description 33 vdd / rdermode p core power 2.5v / reader mode("1":reader mode;"0":card mode) 34 gnd p ground for core 35 nc 36 rfu3 i always pull low 37 rfu4 reserved 38 rstn i chip reset;("1": normal[default]; "0": reset) 39 rfu4 i always pull low 40 gpi2 i usb current value description ("1":100ma[default];"0":250ma) 41 spd_sel i cpu speed selection ("1":15mhz;"0":30mhz[default]) 42 rfu0 i always pull low 43 rfu1 i always pull low 44 suspend o suspend indicator ("1":suspend;"0":normal) 45 modesel i mode selection ("1":1 lu n[default];"0":2 lun) 46 sddata3 i/o sd data3 47 sddata2 i/o sd data2 48 sddata1 i/o sd data1
page 12 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public table 3.2 28 pin descriptions pin # pin name i/o description 1 gnd p ground for core 2 rstn i chip reset;("1": normal[default]; "0": reset) 3 suspend o suspend indicator ("1":suspend;"0":normal) 4 sddata3 i/o sd data3 5 sddata2 i/o sd data2 6 sddata1 i/o sd data1 7 sddata0 i/o sd data0 8 sdwp i sd write protect; pull up with res. 9 sdcdn i sd card detect ("1": undetec ted[default];"0":detected) 10 sdclk o sd clk 11 sdcmd i/o sd cmd; pull up with res. 12 gpon7 o led on for card exists for full/high speed 13 rpu i pull up with 1.5k res. to 3.3v vdd 14 vdda_u p 3.3v analog power 15 dp i/o dp 16 dm i/o dm 17 vssa_u p analog ground 18 rref i pull down with 1k res. to avss 19 vd33p_u p osc power 3.3v 20 xi i 12mhz oscillator input 21 xo o 12mhz oscillator output 22 vs33p_u p osc ground 23 v25_o p 2.5v output for core power 24 vddh p io power 3.3v 25 vssh p io ground 26 vddh p io power 3.3v 27 sd_v33 p sd card power 28 vdd / rdermode p core power 2.5v / reader mode("1":reader mode;"0":card mode)
p a ge 13 of 23 a u 6331 u s b 2 . 0 sd/ mmc / m s si ng l e / d ual lu n f l as h memory card r e ad e r v1. 02w official release _ public 4.0 system architecture and reference design 4.1 AU6331 bl ock diagr a m figu re 4. 1 au 63 31 bl ock di agram 2. 5 v usb sie ram sd/mmc /ms control fifo processor arbitrator rom 12mhz xtal 2.5v vo l t a g e re g u l a t o r /p ower s w i t ch 3.3v xcvr sd mmc ms usb upstream po r t
page 14 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w 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 3.6 v t opr operating temperature 0 25 115 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 15 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w 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 Oi ol O =2~16ma 0.4 v v oh output high voltage Oi oh O =2~16ma 2.4 v r pu input pull-up resistance 40 75 190 k r pd input pull-down resistance 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 16 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w 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 vo ltage vcc-0.2 v avcc=3.0v~3.6v vcc=2.25v~2.75v temp=0 ~115
page 17 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w 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 Ov 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 Ov 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 18 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w 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 ~115 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 Ov oh -v ol O 4 20 ns t ff fall time cl=50pf 90 to 10 of Ov 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 Ov oh -v ol O 75 300 ns t lf fall time cl=200pf-600pf 90 to 10 of Ov 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
p a ge 19 of 23 a u 6331 u s b 2 . 0 sd/ mmc / m s si ng l e / d ual lu n f l as h memory card r e ad e r v1. 02w official release _ public 5.6 power switch feature a u 6331 integr ates a 3.3v to 2.5v voltage re gulator and p o wer switch to replace all mos c h ips for flash car d power s u pply . card p o wer out p ut c u rrent r a nge f o r sd/mmc/ms max: 100m a card po wer output voltage r a nge sd/mmc/ms: 3.3v 0.3 v a u 6331 will tur n off all of card p o wer in suspe n d mode figu re 5. 1 car d detec t power-on timi ng 3.3v+/- 0.3v 1ms to 10ms ( depend load capacitor ) card_power card_detect 100ms + system polling timing
p a ge 20 of 23 a u 6331 u s b 2 . 0 sd/ mmc / m s si ng l e / d ual lu n f l as h memory card r e ad e r v1. 02w official release _ public 6.0 mechanical information figu re 6. 1 48 pin m e c h anic al in form ati o n diagr a m
p a ge 21 of 23 a u 6331 u s b 2 . 0 sd/ mmc / m s si ng l e / d ual lu n f l as h memory card r e ad e r v1. 02w official release _ public figu re 6. 2 28 pin m e c h anic al in form ati o n diagr a m
page 22 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w official release _ public 7.0 abbreviations this chapter lists and defines terms and abbreviations used throughout this specification. sie serial interface engine sd secure digital mmc multimedia card ms memory stick card utmi usb transceiver macrocell interface
page 23 of 23 AU6331 usb 2.0 sd/mmc/ms single/dual lun flash memory card reader v1.02w 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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