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cm 320 z updat e able usb2. 0 ca rd read er con t ro lle r CM320 up dateable usb2.0 card reader controller - more features, more flexibility , lowest bom cost dat asheet ve r s i o n 1 . 0 c-media electronics i nc. tel: 886-2-8773-1 100 f a x: 886-2-8773-221 1 6f , 100, sec. 4, civ il boulevar d, t a ipei, t a iw an 106, r.o.c. for det ailed product information, please cont act sales@cmedia.com.tw date: 5/3/2006 v e rsion: 1.0 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 2 - notices this document is provided ?as is? with no warranties what so ever, including any warranty of merchant abi lity, noninfringement, fitness for any particular purpose, or any warranty otherwise arising out of any proposal, document or sample. all rights reserved. no part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including information storage and retrieval systems, without permission in writing from th e c-media electronics, inc. third-party brands and names are the property of their respective owners. copyright 2006-2007 ? c-m edia electronics inc. *c-media reserves the right to modify the specifications without notice. 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 3 - 1. introduction overview the CM320 is another value-added card reader cont roller solution derived from cm220. it preserves cm220 features: z t r ue ?single-chip? card reader solution z online up dateable arc h itecture z card manager application sof t ware on top of that, CM320 integrate most of external component s: 4 mos(except md), 2 regulators, 1 diode and many p a ssive dev ices to minimi ze cus t omer bom cost, let it be the industry highest integration card reader controller solution. it s unique sof t ware structure makes the functi on eas y to configure to meet the customer versatile demand. z flexible car d configuration z customized smart button design ? t r u e ?si ngle - chip? card rea der solution the cm 320? s p a tented archite c ture en able s the wi dest po ss ible com p atibility and in-th e -fi e ld upd ate cap a bility , without the need for external eeprom or additional com ponent s , reduci ng p a rt s count and cost s. the driver sof t ware on the host provi des all the re quire d prog ra mm ability . oems and co mpone nt manufactu re rs n eed not be con c e r ne d ab out stock issu es rel a ting to out date d firm ware. 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 4 - ? online u pdat eable a r chite c ture due to the rapid cha nge of media card spe c ificatio ns and the growth in ca p a citie s in every format, the future com p atibility of media card reader sol u tions is becomi ng more import ant. c-media? s innovative CM320 allows end-users onl ine upd ate their ca rd read ers via windo w? s ?a utomati c up date? f u nction ? card man age r application sof t ware 9 file-security function 9 private-di sk functio n 9 on-line update hotkey 9 multiple window the cm 320 can be o p tion ally suppli ed with a spe c ial purp o se app lication shell: the c-m edia card man age r . the c-m edia card manag er p r ovides a n ea sy-to-use file manag eme n t and security functio n for all media ca rd s. ? flexible ca rd configu r atio n any combin a t ion of flash cards i s p o ssible a nd ca n be p r og ra mmed by hw or s w . card i c on s ca n also be cu stomized a s req u e s ted. 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 5 - ? smart button de sign t o provide e nd-u s e r frien d ly operatio n interface, just pr e s s one button, man y things, ex copy file, pri n t file, encrypt/decry pt file,?etc. coul d be d o n e witho u t the hassle. mid d l e wa re p r o g ra m coul d be p r ovided to co nfigure the button func tions in the future. application ? internal t y pe card reader for de skt o p p c f o r n o te boo k pc for ba reb o ne for p c diy mark et ca rd read er ? external t y pe card rea d e r single slo t desig n t w o slot de sign multi slot de sign ? nic he ma rk et card rea d e r dma (digi t al media ada p ter) o r medi a serve r card re ad er + hub card re ad er + voip phone others 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 6 - features ? usb 2.0 high-speed operation, usb1.1 full/low-speed backward compatible ? compliant with usb mass storage device class specifications ? driver updates provided transparently via microsoft?s windows update service ? usb bus power and self power capability ? single chip with integrated usb2.0 phy ? supports all-in-1 card reader systems. ? flash media card spec ifications supported: \ compactflash (ver 3.0) / microdrive \ smart media card \ xd-picture card (ver 1.2) \ multimediacard / multimediacardp lus (ver4.1, 1/4/8 bit mode) \ sd card / high speed sd card (sd ver 1.1) \ memorystick / high speed memorystick / memory stick pro / high speed memorystick pro ? also support small-size flash cards \ minisd / t-flash card (micro-sd)/me morystick duo / memorystick-pro duo \ rs-mmc / mmcmobile (ver 4.1, 1/4/8 bit mode) ? in addition, rom-type flash cards are also supported \ mmc rom, mmcplus rom, mmcmobile rom \ memorystick rom, memorystick pro rom \ sd rom ? spi interface for external mcu ? eeprom serial interface for cust omized vid/pid via usb interface ? built-in regulators ? built-in pmos except for md (n eedless of external pmos for cf) ? no external component needed for c3 mode (nb power saving mode) ? support 1~5 led displays to indicate operation status ? ?designed for windows? logo certified driver with windows update option. ? usb if logo qualified ? xd-picture certified ? ms-logo certified ? CM320l (qfp 100) and CM320s (l qfp 48) are both available now. 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 7 - 2. block diagram 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 8 - 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 9 - 3. ordering infor m ation model number packag e operating ambient t e mperatu r e suppl y range cm32 0l 100-p i n qf p 0 o c to +70 o c dvdd = 3 .3v , a v dd = 3.3v cm32 0s 48-pi n lqf p 0 o c to +70 o c dvdd = 3 .3v , a v dd = 3.3v [note]: gpio, le d, and smart b u t t on share th e same pins f e a t u r e c m 3 2 0 l c m 3 2 0 s pack ag e qfp 100 lqfp 48 spi ye s y e s eeprom interface (for vid/pid) ye s y e s high s p eed mmc y e s (8bit mode, v e r4.1) y es (8bit mode, v e r4.1) high s p e e d s d y e s (sd v e r 1 .1) y e s (sd v e r 1 .1) gpio ye s y e s l e d disp lay 1~5 led x2, x1 led up d a teab le ye s y e s ca rd ma na ge r ui ye s y e s ca rd configur a t ion ye s y e s sma r t button de s i gn ye s y e s supporte d ca rd a l l s d / m m c / m s/ms- p r o 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 10 - 4. pin descriptions & assignment CM320l 100 pin # symbol type i/o type description 1 vcc3v pwr digital power. connected to 3.3 v 2 cfpwr o cf card power mos 3 mscd i st ms card detect pin, low active 4 msd[2] io sr, st ms card data bus 5 msd[0] io sr, st ms card data bus 6 msd[1] io sr, st ms card data bus 7 msbs o sr ms bus state output 8 led io sr card access indicator led, high active 9 gpio0 io sr, st general purpose input output pin 10 xdd[7] io sr, st xd/sm card data bus 11 xdcd i st xd card detect pin, low active 12 smcd i st sm card detect pin, low active 13 gpio1 io sr, st general purpose input output pin 14 gpio5 io sr, st general purpose input output pin 15 smwp i st sm card write protect, low active 16 tmode i st chip test mode enable, high active 17 cfcs0 o sr cf card select 0 18 cfcs1 o sr cf card select 1 19 cfior o sr cf card read enable, low active 20 cfiow o sr cf card write enable, low active 21 cfrst o sr cf card reset, low active 22 cfsa[2] o sr cf card address bus 23 cfsa[1] o sr cf card address bus 24 cfsa[0] o sr cf card address bus 25 cfd[0] io sr, st cf card data bus 26 cfd[1] io sr, st cf card data bus 27 cfd[8] io sr, st cf card data bus 28 cfd[2] io sr, st cf card data bus 29 cfd[9] io sr, st cf card data bus 30 cfd[10] io sr, st cf card data bus 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 11 - 31 cfcd i st cf card detect pin, low active 32 gnd pwr digital ground pin 33 vcc3v pwr digital power. connected to 3.3 v 34 sdpwr o sd card power mos 35 nc not connected pin 36 nc not connected pin 37 xsci i analog input. crystal oscillator input 12m 38 xsco o analog output. crystal oscillator output 12m 39 vcchst pwr analog power pin. connected to 3.3v power 40 gnd_u20 pwr analog ground 41 rref i analog input. connects external reference resistor (12.1k +- 1%) to analog gnd 42 dm io bidirection pin, usb 2.0 data in data negative pin terminal 43 dp io bidirection pin, usb 2.0 data in data positive pin terminal 44 vcca pwr phy power in for analog. connected to 3.3v 45 gnda pwr analog ground pin 46 gnd pwr digital ground pin 47 vcc5v(i) i 5v input of 5-> 3.3v regulator 48 vcc3v(o) o 3v output of 5-> 3.3v regulator 49 n.c. 50 vcc2.5v(o) o 2.5v output of 3.3->2.5v regulator 51 gnd(o) pwr digital ground pin 52 gnd(o) pwr digital ground pin 53 cfd[3] io sr, st cf card data bus 54 cfd[11] io sr, st cf card data bus 55 cfd[4] io sr, st cf card data bus 56 cfd[12] io sr, st cf card data bus 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 12 - 57 cfd[5] io sr, st cf card data bus 58 cfd[13] io sr, st cf card data bus 59 cfd[6] io sr, st cf card data bus 60 cfd[14] io sr, st cf card data bus 61 cfd[7] io sr, st cf card data bus 62 cfd[15] io sr, st cf card data bus 63 gpio3 io sr, st general purpose input output pin 64 gpio4 io sr, st general purpose input output pin 65 sdd[2] io sr, st sd card data bus 66 sdd[3] io sr, st sd card data bus 67 sdo io sr, st spi - data output eeprom ? di sd - sdd[4] 68 sdcmd io sr, st sd card command bus 69 sdi io sr, st spi - data input eeprom ? do sd - sdd[5] 70 sdclk o sr sd card clock 71 gnd pwr digital ground pin 72 vcc3v pwr digital power. connected to 3.3 v 73 mspwr o ms card power mos 74 smpwr o sm/xd card power mos 75 vcc3v pwr digital power. connected to 3.3 v 76 sclk io sr, st spi - clock output eeprom ? sk sd ? sdd[6] 77 sceb io sr, st spi ? ceb eeprom ? cs sd ? sdd[7] 78 sdd[0] io sr, st sd card data bus 79 sdd[1] io sr, st sd card data bus 80 sdcd i st sd card detect pin, low active 81 sdwp i st sd card write protect, low active 82 rstb i st system reset, low active 83 xdrdy i sr xd card ready/busy status 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 13 - 84 xdreb o sr read enable, low active 85 xdceb o sr card enable, low active 86 xdcle o sr command latch enable, high active 87 xdale o sr address latch enable, high active 88 xdweb o sr write enable, low active 89 xdwpb o sr 90 gpio2 io sr, st general purpose input output pin 91 xdd[0] io sr, st xd/sm card data bus 92 xdd[1] io sr, st xd/sm card data bus 93 xdd[2] io sr, st xd/sm card data bus 94 xdd[3] io sr, st xd/sm card data bus 95 xdd[4] io sr, st xd/sm card data bus 96 xdd[5] io sr, st xd/sm card data bus 97 xdd[6] io sr, st xd/sm card data bus 98 msclk o sr ms clock output 99 msd[3] io sr, st ms card data bus 100 gnd pwr digital ground pin CM320s 48 pin # symbol type i/o type description 1 mscd i st ms card detect pin, low active 2 msd[2] io sr, st ms card data bus 3 msd[0] io sr, st ms card data bus 4 msd[1] io sr, st ms card data bus 5 msbs o sr ms bus state output 6 led io sr card access indicator led, high active 7 gpio0 io sr, st general purpose input output pin 8 tmode i st chip test mode enable, high active 9 gnd pwr digital ground pin 10 vcc3v pwr digital power. connected to 3.3 v 11 sdpwr o sd card power mos 12 nc not connected pin 13 nc not connected pin 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 14 - 14 xsci i analog input. crystal oscillator input 12m 15 xsco o analog output. crystal oscillator output 12m 16 vcchst pwr analog power pin. connected to 3.3v power 17 gnd_u20 pwr analog ground 18 rref i analog input. connects external reference resistor (12.1k +- 1%) to analog gnd 19 dm io bidirection pin, usb 2.0 data in data negative pin terminal 20 dp io bidirection pin, usb 2.0 data in data positive pin terminal 21 vcca pwr phy power in for analog. connected to 3.3v 22 gnda pwr analog ground pin 23 gnd pwr digital ground pin 24 vcc5v(i) i 5v input of 5-> 3.3v regulator 25 vcc3v(o) o 3v output of 5-> 3.3v regulator 26 vcc2.5v(o) o 2.5v output of 3.3->2.5v regulator 27 gnd(o) pwr digital ground pin 28 sdd[2] io sr, st sd card data bus 29 sdd[3] io sr, st sd card data bus 30 sdo io sr, st spi - data output eeprom ? di sd - sdd[4] 31 sdcmd io sr, st sd card command bus 32 sdi io sr, st spi - data input eeprom ? do sd - sdd[5] 33 sdclk o sr sd card clock 34 gpio13 io st bonding option 35 vcc3v pwr digital power. connected to 3.3 v 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 15 - 36 mspwr o ms card power mos 37 sclk io sr, st spi - clock output eeprom ? sk sd ? sdd[6] 38 sceb io sr, st spi ? ceb eeprom ? cs sd ? sdd[7] 39 sdd[0] io sr, st sd card data bus 40 sdd[1] io sr, st sd card data bus 41 sdcd i st sd card detect pin, low active 42 sdwp i st sd card write protect, low active 43 rstb i st system reset, low active 44 gpio2 io sr, st general purpose input output pin 45 msclk o sr ms clock output 46 msd[3] io sr, st ms card data bus 47 gnd pwr digital ground pin 48 vcc3v pwr digital power. connected to 3.3 v output driving capability is 8ma note 1. i: input 2. o: output 3. pwr: power/ground pin 4. sr: slew rate control 5. st: smith trigger 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 16 - 5.electrical characteristics ? absolute maximum ratings symbol parameter rating units vcc power supply -0.3 to vcc+0.3 v v in3 input voltage of 3.3v i/o -0.3 to 4.0 v t stg storage temperature -40 to 150 ? recommended operating conditions symbol parameter min typ max units vcck core power supply 2.25 2.5 2.75 v vcc3v power supply 3.3v i/o 3.0 3.3 3.6 v v in input voltage of 3.3v i/o 0 3.3 3.6 v t j commercial junction operating temperature 0 115 ? dc characteristcs of 3.3v i/o cells symbol parameter conditions min typ max units v 25 regulator output voltage vcc=3.3v 2.2 2.5 2.7 v v 25 i load regulator driving current vcc=3.3v 150 ma v il input low voltage 0.8 v v ih input high voltage lvttl 2.0 v v t- schmitt trigger negative going threshold voltage 0.8 1.1 v v t+ schmitt trigger positive going threshold voltage lvttl 1.6 2.0 v v ol output low voltage i O ol =2 ~ 16ma O 0.4 v v oh output high voltage i O oh =2 ~ 16ma O 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 il input leakage current vin=vcc3i or 0 -10 1 10 a i oz tri-state out leakage current -10 1 10 a i op operating current (without card) 48 ma i stby standby current 320 a 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 17 - 6. mechanical dimensi o ns outline of dimensions dimen s io ns shown in inche s and mm ? 100 pin qfp for cm3 20l 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 18 - figure 6-1 mechanical dimension of CM320l (qfp100) 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 19 - ? 48 pin lqfp for CM320s 4 .com u datasheet
cm 320 updat e able usb2. 0 ca rd read er con t ro lle r date: 5/3/2006 v e rsion: 1.0 - 20 - figure 6-2 mechanical dimension of CM320s (lqfp48) 4 .com u datasheet
cm 320 updateable usb2.0 ca rd reader controlle r date: 5/3/2006 version: 1.0 - 21 - 7. errata revision history 2005.1.13 version 0.90 preliminary version 2005.5.3 add operating and standby current end of documentation c-media electronics inc. 6f., 100, sec. 4, civil boulevard, taipei, taiwan 106 r.o.c. tel:886-2-8773-1100 fax:886-2-8773-2211 e-mail sales@cmedia.com.tw url http://www.cmedia.com.tw 4 .com u datasheet

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