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product structure silicon monolithic integrated circuit radiation resistance design is not arranged 1/66 tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 14 ? 001 datashee t usb audio decoder lsi series aac/wma/mp3 +sd memory card + ipod bu94601kv bu946 03kv bu94604bkv description bu94601kv / bu94603kv / bu94604bkv are aac+ wma + mp3 decoder ic which contains usb host, sd card i/f, audio dac, system controller, and regulator for internal core power supply. features ? usb2.0 full speed host i/f function contained. ? protocol conversion from i 2 c to usb hid or from usb hid to i 2 c. (only bu94604bkv) ? sd card i/f function contained. ? i 2 c i/f function contained. ? fat analysis function contained. ? mp3 decode function contained. (available for mpeg1, 2 and 2.5, layer 1, 2 and 3) ? wma decode function contained. (except bu94601kv) available for wma9 standard and not available for drm ? aac decode function contained. (except bu94601kv) available for mpeg4 aac-lc and not available for drm ? sample rate converter contained. ? system controller contained. ? led controller contained. ? key matrix controller contained. ? stand alone mode contained. ? external processor can control. (slave mode) ? audio dac contained. ? sound effect function contained. ? digital audio output(i 2 s, s/pdif) function contained. ? file name, folder name sorting. ? id3tag and wmatag and aactag analysis. ? reading a specified file data is possible from usb memory. ? lun is selectable. ? regulator for internal core power supply contained. ? vqfp64pin(0.5mm pitch) applications audio products, etc package w(typ.) x d(typ.) x h(max.) vqfp64 12.00mm x 12.00mm x 1.60mm line up part number format ipod package ordering part number bu94601kv mp3 not supported vqfp64 reel of 2000 bu94601kv-zae2 bu94603kv aac/wma/mp3 vqfp64 reel of 2000 bu94603kv-zae2 bu94604bkv aac/wma/mp3 supported vqfp64 reel of 2000 bu94604bkv-zae2 downloaded from: http:///
2/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 basic circuit application diagram-part1 figure 2. an example of connection circuit application (bu94601kv/bu94603kv mode2/3) * figure 1. an example of connec tion circuit application (bu9460 1kv/bu94603kv/bu946 04bkv mode1) * downloaded from: http:///
3/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 basic circuit application diagram-part2 this lsi has built in regulator for internal core power supply. dvdd terminal of 27pin and 57pin connect to bypass condenser. dvdd terminal of 27pin and 57pin dont connect to power supply. the reference circuit and reference circuit parameters for crystal oscillator are shown above. the circuit parameters introduced above is not taking into considerat ion the environment in customers systems or sets board. therefore, rohm is no t guaranteed this content in any circuits. please check the optimal circuit parameter in customers actual systems or produc ts with the oscillator manufacturer. figure 3. an example of connection circ uit application (bu9 4604bkv mode2/3) * downloaded from: http:///
4/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 difference of bu94601kv/bu94603kv/bu94604bkv features item bu94601kv bu94603kv bu94604bkv package vqfp64 number of pins 64pin power supply 3.3v (inner 1.5v regulator ) usb host i/f usb full speed(12mbps) usb mass storage class sd card i/f spi mode sd, sdhc, mmc, mini-sdcard i 2 c command i/f(slave supported audio line output supported digital audio output i 2 s spdif sample rate converter supported clock 16.9344mhz playable mp3 files *.mp3,*.mp2,*.mp1 playable wma files not supported *.asf,*.wma playable aac files not supported *.m4a,*.3gp,*.mp4 ipod not supported supported*1 *1 for using of bu94604bkv, it is necessary to become a licensee of apple inc. regarding "made for ipod/iphone/ipad license". downloaded from: http:///
5/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 block diagram usb i/f sd i/f mp3/wma/ aac decoder * data buffer src i 2 s out spdif out tag analysis system controller command i/f (i 2 c) usb/ system pll 1.5v ldo i 2 s out spdif out audio dac mcu power amp _ file system (fat16/32) 16.9344 mhz 3.3v *bu94601kv contains only mp3 decoder figure 4. block diagram downloaded from: http:///
6/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 arrangement of terminals bu94601kv / bu94603kv / bu94604bkv figure 5. arrangement of terminals downloaded from: http:///
7/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 description of terminals stand alone mode (mode1) slave mode (mode2,mode3) pin no. signal name i/o cir i/o pull-up/ down ( *7 ) function signal name i/o pull-up/ down ( *7 ) function 1 resetx a i pu h: release reset, l: reset 2 sel_slave b i pu(*1) h: stand alone, l:slave 3 sel_mp3 b i pu(*1) h: play mp3 only, l: play mp1,mp2 and mp3 4 sel_dout b i pu(*1) h: audio line output, l: di g ital audio output 5 sel_vol b i pu(*1) h: volume control valid, l: volume control invalid 6 sel_aplay b i pu(*1) h: auto play off , l: auto pla y 7 sel_utpkt b i pu(*1) h: normal operation l: usb test packet output 8 test1 (*2) b o - open (for test) irpto (*3) b o - device (have 2 configuration or more) connections interruption output terminal 9 test2 - i pu pull-up to 3.3v system power suppl y ( for test ) 10 key_row1 b i pu key input row1 mchng o - music change output 11 key_row2 b i pu key input row2 busy o - command operation bus y fla g 12 key_row3 b i pu key input row3 scl i - i 2 c i/f clock input 13 key_row4 b i pu key input row4 sda i/o - i 2 c i/f data input/output 14 key_col1 b o - key input column1 a0 i - i 2 c i/f slave address set0 15 key_col2 b o - key input column2 a1 i - i 2 c i/f slave address set1 16 key_col3 b o - key input column3 sel_sman i pu(*1) h: mode2, l: mode3 17 test3 b i pu pull-up to 3.3v system power suppl y ( for test ) 18 dvddio - - - connect to 3.3v s y stem power suppl y 19 sd_con b i - sd i/f (*4) 20 sd_do b i - sd i/f (*4) 21 sd_clk b o - sd i/f 22 sd_di b o - sd i/f 23 sd_cs b o - sd i/f 24 dvss - - - connect to gnd 25 test4 - i pu pull-up to 3.3v system power suppl y ( for test ) 26 test5 - i pu pull-up to 3.3v system power supply (for test) clkout12(*5) i/o (*5) pu(*5) 12mhz clk output. 27 dvdd_m2 - - - connect to 57pin 28 test6 - i - pull-up to 3.3v system power suppl y ( for test ) 29 test7 - i - pull-up to 3.3v system power suppl y ( for test ) 30 test8 - i - pull-up to 3.3v system power suppl y ( for test ) 31 atest1 - o - open (for test) 32 avddc - - - connect to 3.3v s y stem power suppl y 33 usb_dm c i/o - usb data- 34 usb_dp c i/o - usb data+ 35 avssc - - - connect to gnd 36 rexti d o - usb bias resistor(12k ? ) connecting terminal. arrange the resistance of 12k ? near pin, and wiring on the pin side doesnt cross with other si g nal lines. downloaded from: http:///
8/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 37 vorefi - o - open (for test) 38 vdd_pll - - - connect to 3.3v s y stem power suppl y 39 test_pll - i - open (for test) 40 xin_pll e i - x'tal input 16.9344mhz 41 xout_pll e o - connect to x'tal 16.9344mhz 42 vss_pll - - - connect to gnd 43 davss - - - connect to gnd 44 rdaco f o - audio dac line output rch 45 vcdaco i o - audio dac reference volta g e output 46 ldaco f o - audio dac line output lch 47 davdd - - - connect to 3.3v s y stem power suppl y 48 amute g o - audio mute output ( h:mute cancel, l:mute ) 49 led_error b o - error led output test9 i pu pull-up to 3.3v system power suppl y 50 led_play b o - play led output test10 i pu pull-up to 3.3v system power suppl y 51 led_psd b o - play sd card led output test11 i pu pull-up to 3.3v system power suppl y 52 led_pusb b o - play usb led output test12 i pu pull-up to 3.3v system power suppl y 53 led_access b o - memory access led output lrck /spdif(*4) i/o (*6) pu(*6) i 2 s output lr clock / spdif output 54 led_random b o - random play led output bck(*4) i/o ( *6 ) pu(*6) i 2 s output bit clock 55 led_repeat b o - repeat play led output data(*4) i/o ( *6 ) pu(*6) i 2 s output lr data 56 test13 - i pu pull-up to 3.3v system power suppl y ( for test ) 57 dvdd_m1 - - - connect to b y pass condense r 58 test14 f i - connect to gnd 59 test15 - i - pull-up to 3.3v system power suppl y ( for test ) 60 test16 - i - pull-up to 3.3v system power suppl y ( for test ) 61 test17 - i - pull-up to 3.3v system power suppl y ( for test ) 62 dvss - - - connect to gnd 63 tmode h i - connect to gnd 64 dvddio - - - connect to 3.3v s y stem power suppl y *1 when l is input, pull-up turns off. *2 bu94601kv / bu94603kv *3 bu94604bkv *4 when sd i/f is disused, pull-up to 3.3v system power supply. *5 enabled/disabled can be selected using commands. this pin becomes output and pull-up is off, only when 12mhz clock output is enable. *6 in stand alone mode (mode1), when audio line output is selected (sel_dout=h), led output is enabled. when the digital audio output is selected (sel_dout=l), the i 2 s format audio output is enabled. in slave mode (mode2, mode3), when the analog line output is selected ( sel_dout=h), these pins are test terminals. when the digital audio output is selected (sel_dout=l), i 2 s or spdif is selectable. see chapter 4 . sel_dout for further information. *7 input l level directly without resistance when you input l to the terminal with pull-up (about 33 k ? ). downloaded from: http:///
9/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 terminal equivalent circuit diagram a b c d e f g h i _ _ _ _ downloaded from: http:///
10/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 description of each blocks movement-part1 bu94601kv/bu94603kv/bu 94604bkv are aac+wma+mp3 decoder ic in which a usb host i/f, sd memory card i/f, audio dac and system control functions are built. using a key or i 2 c interface command, the ic reads out a mp3 file written to a memory device having a usb i/f or a sd memo ry card. all the operations required before the data can be output to audio devices are incorporated in to one chip. *bu94601kv supports only mp3. supporting stand alone mode which is enabled by comm ands entered from the keyboard (hereinafter referred to as mode1), auto slave mode which is enabled by comm ands entered from the master microcomputer, same as those entered from the keyboard, via the built-in i 2 c interface (hereinafter referred to as mode2) and manual slave mode which can send the memory device informa tion to the master microcomputer via the i 2 c interface and completely control sequences such as a play sequence by the master microcomputer (hereinafter referred to as mode3). i 2 c bus <-> usb protocol conversion function bu ilt into. *only mode2 and mode3 of bu94604bkv. supporting fast forward playing and fast backward playing with music. supporting outputs folder names, file names, id3tag (v 1.0, v1.1 v2.2 v2.3 and v2 .4) information and wma-tag information and aac-tag(itunes meta-data) information via the i 2 c interface. this function is enabled only in mode 2 and mode 3. supporting audio line output, digital audio output (i 2 s, spdif). reading a specified file data is possible from usb memory. *only a file that exists in root folder corresponds. 1. usb host i/f builds in the usb full speed (12 mbps) host control function. supports the usb mass storage class. convert the protocol from i 2 c from usb(hid) and usb(hid) to i 2 c when communicating with the master microcomputer.* an isochronous in transfer function to 192 byte/frame is built into.* . interrupt in transfer function is built into.* . it doesn't correspond to external hub. * only the device with two configurations or more. only bu94604bkv. 2. sd card i/f supports the spi mode. supports the mmc and mini-sd cards. supports the sdhc cards. supports the sd ver1.01 (file system). does not support cprm. 3. i 2 c i/f communicates with the master microcomputer using an i 2 c interface format. supports the standard mode (100 kbps) and fast mode (400 kbps). supports a 7-bit address. can select four types of slave addresses. 4. audio output 1bit-dac output builds in the digital soft mute function. supports digital audio output (i 2 s, spdif). builds in sound effects of pops, jazz, rock, classic, r&b and bassboost.* * only audio line output is enabled. downloaded from: http:///
11/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 description of each blocks movement-part2 5. fat analysis supports fat16 and fat 32. supports vfat (long file name). supports multi-partition up to 1. the maximum number of playable folders within each folder is 65534. the maximum number of playable files within each folder is 65534. the maximum number of playable folders within each device is 65534. the playable folder hierarchy is up to 8 layers containing the root directory. the playable file extension supports *.m4a, *.3gp, and *.mp4 for aac, *.wma and *.as f for wma, *.mp3, *.mp2, and *.mp1 for mp3. for *.mp2 and *.mp1, play enable d/disabled can be selected. upper case letters and lower case letters are not distinguished in the file extension. (bu94601 kv supports only *.mp3, *.mp2, and *.mp1.) sorts and plays up to 100 folders and 100 files in the order of unicode. possible to obtain up to 64 bytes as the folder name or file name. supports 1 sector of 512, 1024, 2048 and 4096 bytes. playable file size is up to 2gbyte-1 byte. although a file over 2gbyte is recognized as a playable file, 2gbyte -1byte part of the file is playable. 6. mp3 decoder supports mpeg audio 1, 2 and 2.5. supports layer 1, 2 and 3. supports sample rates 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, 12k, 24k and 48khz. supports bit rate 8 to 320 kbps and vbr (v ariable bit rate). *except free format. supports id3tag v1.0, v1.1, v2.2, v2.3 and v2.4. (up to 64 bytes can be obtained for the names of album, artist, and title.) 7. wma decoder (bu94601kv doesnt support.) supports windows media audio 9 standard. not supports drm. supports sample rates 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, and 48khz. supports bit rate 5 to 384 kbps and vbr (v ariable bit rate). *except free format. supports wma-tag. (up to 64 bytes can be obtained for the names of album, artist, and title.) 8. aac decoder (bu94601kv doesnt support.) supports mpeg4 aac-lc encoded by itunes. not supports drm. supports sample rates 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, 12k, 24k and 48khz. supports bit rate 8 to 320 kbps and vbr (variable bit rate). supports aac-tag(itunes meta-data). (up to 64 bytes can be obtained for the names of album, artist, and title.) the playable file extension su pports *.m4a, *.3gp, and *.mp4 based on 3gpp ts 26.244. supports file type of m4a, mp42, and 3gpx (numbers with arbitrary x). *about except for the file encoded by itunes, when the stream of a gap or video data is included in the file, it may skip to the following music or skipping may be carried out. 9. sample rate converter converts all the supported sample rates to 44.1 khz using a poly-phase operation. 10. system controller controls all the system operations including key input, le d output, interface control with the master microcomputer, usb device access, sd card access, fat analysis, so rt function, mp3 decode, wma decode and audio output. downloaded from: http:///
12/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 description of each blocks movement-part3 11. key matrix controller controls 12 types of key inputs: play/pause, stop, tune fo rward/fast forward playing, tune backward/fast backward playing, folder forward, folder backward, 10-tune forward, volume up, volume down, repeat play, random play and device selection. 12. led controller controls 7 types of led outputs: play/pause, error, me mory accessing, random playing, repeat playing, usb selection and sd selection 13. control from the master microcomputer control from the master microcomputer is enabled using the i 2 c interface. through the command operations, the following can be contro lled: play, pause, stop, t une forward, tune backward, fast forward playing, fast backward playing, folder fo rward, folder backward, 10-tune forward, 10-tune backward, volume up, volume down, device selection, volume setting, r epeat selection, random play, digital audio output setting, sound effect setting, resume data setting and direct tune selection data setting. controls the following: playing status out put, pause, stop, searching, error, folder number, file number within folder, play time information, number of total folders, number of to tal files, name of folder bei ng played, name of file being played, id3tag (title, artist and album) , wmatag (title, artist and album), aactag (title, artist and album),resume data and direct tune selection data (mode3). 14. function selection selects mode1 or mode2/3 (se l_slave=h: mode1, l: mode2/3). selects mpeg audio layer (sel_mp3=h: play mp3 only, l: play mp1/mp2/mp3) digital audio output selection (se l_dout=h: output off, l: output on) sound volume operation selection (sel_vol=h: volume adjustable, l: volume not adjustable max output) selects operation at power on to check device (sel_a play=h: stop, l: play). *enabled in mode 1 only. selects mode2 or mode3 (sel_sman=h: mode2, l: mode3). *enabled in mode 2/3 only. 15. file read function in usb memory the specified data of file that exists in the root folder of the usb memory reading is possible. * the file name corresponds only by 8. 3 forms. (the wild-card cannot be used.) downloaded from: http:///
13/66 datasheet datasheet bu94601kv bu94603kv bu94604bkv tsz02201-0v2v0e600010-1-2 ? 2012 rohm co., ltd. all rights reserved. 2012.07.12 rev.001 www.rohm.com tsz22111 ? 15 ? 001 absolute maximum ratings (ta = 25 ) parameter symbol limits unit comment supply voltage(analog, i/o) vdd1ma x -0.3 to 4.5 v dvddio, vdd_pll, davdd, avddc input voltage vin -0.3 to vdd1 + 0.3 v storage temperature range tstg -55 to 125 operating temperature range topr -40 to 85 power dissipation *1 pd 750 mw *1 in the case of use at ta=25 or more, 7.5mw should be reduced per 1 . radiation resistance design is not arranged. operating conditions (ta = 25 ) parameter symbol limits unit comment supply voltage(analog, i/o) vdd1 3.0 to 3.6 v dvddio,vdd_pll, davdd, avddc electrical characteristics (unless specified, ta=25 ,vdd1=3.3v, dvss=avssc=vss_pll= davss=0v, xin_pll=16.9344mhz parameter symbol limits unit condition min. typ. max. circuit current (vdd1 usb1) idd1usb1 - 65 80 ma *1 when usb memory is played. circuit current (vdd1 sd1) idd1sd1 - 35 50 ma *1 when sd card is played. h-level input voltage vih vdd1*0.7 vdd1 v *3 l-level input voltage vil dvss vdd1*0.3 v *3 h-level output voltage1 voh1 vdd1-0.4 vdd1 v ioh=-1.6ma, *4 l-level output voltage1 vol1 0 0.4 v iol=1.6ma. *4 h-level output voltage2 voh2 vdd1-0.4 vdd1 v ioh=-3.6ma, *5 l-level output voltage2 vol2 0 0.4 v iol=3.6ma, *5 h-level output voltage3 voh3 vdd1-0.4 vdd1 v ioh=-0.6ma, *6 l-level output voltage3 vol3 0 0.4 v iol=0.6ma, *6 h-level output voltage4 voh4 vdd1-1.0 vdd1 v ioh=-0.6ma, *7 l-level output voltage4 vol4 0 1.0 v iol=0.6ma, *7 h-level input voltage vihusb vdd1*0.6 vdd1 v *8 l-level input voltage vilusb avssc vdd1*0.3 v *8 output impedance(h) zoh 22.0 45.0 60.0 ? *8 output impedance(l) zol 22.0 45.0 60.0 ? *8 h-level output voltage vohusb vdd1-0.5 vdd1 v *8 l-level output voltage volusb 0 0.3 v *8 rise/fall time tr/tf 11 ns *8, output capacity 50pf voltage of crossing point vcrs vdd1/2 v *8, output capacity 50pf range of differential input vdiff 0.8 2.5 v *8 differential input sensitivity vsens 0.2 v *8 pull-down resistance rpd 14.25 15.0 24.8 k ? *8

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