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mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com AU7842 datasheet usb host mp3/wma decoder soc rev 1.0 june 10 , 2007
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com ii disclaimer all information and data contained in this document are without any commitment, are not to be considered as an offer for conclusion of a contract, nor shall they be construed as to create any liability. any new issue of this document invalidates previous issues. product availability and delivery are exclusively subject to our respective order confirmation form; the same applies to orders based on development samples delivered. by this publication, shanghai mountain view silicon technology co. ltd.( mvsilicon ) does not assume responsibility for patent infringements or other rights of third parties that may result from its use. no part of this publication may be reproduced, photocopied, stored in a retrieval system, or translated in any form or by any means, electronic, mechanical, manual, optical, or otherwise, without the prior written permission of shanghai mountain view silicon technology co. ltd. shanghai mountain view silicon technology co. ltd. assumes no responsibility for any errors contained herein.
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com iii revision history data revision description 2007-06-10 1.0 initial release
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com iv contents revision history........................................................................................................................iii contents......................................................................................................................................iv figures.........................................................................................................................................v tables..........................................................................................................................................vi 1. overview.................................................................................................................................1 1.1 features.........................................................................................................................1 1.2 chip architecture.........................................................................................................2 2. system application................................................................................................................3 3. pin description.......................................................................................................................5 3.1 AU7842 pin description..............................................................................................5 4. package....................................................................................................................................8 4.1 package diagram..........................................................................................................8 4.2 package dimension parameter....................................................................................9 5. electrical specification........................................................................................................10 5.1 absolute maximum ratings (note 1).......................................................................10 5.2 recommended operating conditions.......................................................................10 5.3 electrical characteristics...........................................................................................10 contact information..................................................................................................................11
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com v figures figure 1 AU7842 functional block diagram..................................................................2 figure 2 mp3/wma audio system..................................................................................3 figure 3 mp3/wma mini audio system........................................................................4 figure 4 AU7842 package diagram (lqfp100-14x14mm / top view)......................8 figure 5 lqfp100-14x14mm package dimension parameter.......................................9
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com vi tables table 1 AU7842 pin description......................................................................................5 table 2 absolute maximum ratings..............................................................................10 table 3 recommended operating conditions................................................................10 table 4 electrical characteristics....................................................................................10
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 1 1. overview a highly integrated soc for mp3/wma player, AU7842 integrates mcu, mp3/wma decoder, usb host controller, sd/mmc card controller, a 16-bit audio decoder and an ir decoder in a single chip. compared with traditional flash-mp3 player, AU7842 offers a lower cost, lower power consumption, flexible and more powerful host mp3/wma player solution. 1.1 features l low power 0.18um cmos technology l power supply 1.8v/3.3v, power consumption 110mw l enhanced 8051, up to 10 times faster than standard 8051 l usb2.0 full-speed host controller l sd/mmc card controller l support mpeg 1/2/2.5 layer3 decoding, data rate 32kbps ~ 320kbps, including vbr l support wma format, data rate 32kbps ~ 384kbps l support 9 sampling frequency: 8khz/11.025khz/12khz/16khz/22.05khz/24khz/32khz/44.1khz/48khz l embedded sound equalizer l support tag format id3v1 and id3v2.4 l support fat16/fat32 file system l embedded 16-bit sigma-delta audio dac l embedded headphone amplifier l support ir remote control l gpio for various purposes l support in-system debug through external emulator l in-system firmware upgrade through u-disk or sd/mmc
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 2 1.2 chip architecture figure 1 AU7842 functional block diagram
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 3 2. system application l mp3/wma audio system mvsilicon AU7842 ipod socket infrared receiver am/fm radio analog switch external audio source(mp3, cd ) s a n d i s k 1 2 8 m b sandisk cruzer micro 1gb power amp 512k bit norflash 12mhz rtc + battery 32.768khz beeper lcd/led display vol+ vol- play/ pause pre next func snooze stop eq a/b/c repeat figure 2 mp3/wma audio system
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 4 l mp3/wma mini audio system mvsilicon AU7842 infrared receiver sandisk cruzer micro 1gb power amp 512k bit norflash 12mhz lcd/led display vol+ vol- play/ pause pre next stop eq repeat figure 3 mp3/wma mini audio system
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 5 3. pin description AU7842 is a cmos device. floating level on input signals causes unstable device operation and abnormal current consumption. pull-up or pull-down resistors should be used appropriately for input or bidirectional pins. notation description i input o output i/o bidirectional i/od bidirectional, open drain output ai analog input ao analog output pwr power gnd ground 3.1 AU7842 pin description table 1 AU7842 pin description pin name pin # type description nor flash memory interface pins fsh_db [7:6] 18:19 i/o flash memory data bus fsh_db [5:2] 22:25 i/o flash memory data bus fsh_db [1:0] 30:31 i/o flash memory data bus fsh_wr 90 i/o flash memory write signal fsh_rd 91 i/o flash memory read signal fsh_en 92 i/o flash memory chip enable fsh_ab[15:14] 62:63 i/o flash memory address bus fsh_ab[13] 64 i/o flash memory address bus fsh_ab[12] 61 i/o flash memory address bus fsh_ab[11] 67 i/o flash memory address bus fsh_ab[10] 39 i/o flash memory address bus fsh_ab[9:8] 66:65 i/o flash memory address bus fsh_ab[7:6] 58:57 i/o flash memory address bus fsh_ab[5:4] 40:41 i/o flash memory address bus fsh_ab[3:1] 34:36 i/o flash memory address bus fsh_ab[0] 38 i/o flash memory address bus usb interface pins usb_dp 10 i/o usb function d+ bus usb_dm 9 i/o usb function d- bus card interface pins sd_clk 51 o sd card clock
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 6 sd_cmd 53 i/o sd card command line sd_dat 54 i/o sd card data line remote control pin ir 75 i inferred remote controller signal dac audio interface pins dac_hpoutl 3 ao head phone left channel output dac_hpoutr 1 ao head phone right channel output dac_vref 5 ao internal voltage reference gpio/mcu io pins p3[7:4] 86:83 i/od mcu p3 port p3[3:0] 72:69 i/od mcu p3 port p2[7:5] 17:15 i/od mcu p2 port p2[4:3] 87:88 i/od mcu p2 port p2[2:0] 98:100 i/od mcu p2 port p1[7:4] 47:44 i/od mcu p1 port p1[3:0] 29:26 i/od mcu p1 port p0[1] 56 i/od mcu p0 port p0[0] 55 i/od mcu p0 port gpio[7:3] 80:76 i/o gpio port gpio[2:0] 50:48 i/o gpio port clk & reset pins xin 12 i crystal oscillator input for pll xout 13 o crystal oscillator output for pll resetn 21 i system reset, active low debug pin debug 89 i when tied high, chip enter into debug mode and use external emulator. when tie low, chip works in normal mode power/ground pins dac_avdd 4 pwr analog power for dac(3.3v) dac_avss 2 gnd analog ground for dac pll_vss 6 gnd analog ground for pll pll_vdd 7 pwr analog power for pll(1.8v) io_vdd 11 37 52 73 94 pwr digital power for i/o(3.3v) vss 8 20 33 42 59 81 gnd digital io/core ground vdd 14 32 43 60 68 82 pwr digital power for core (1.8v) reserved 74 nc
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 7 93 95 96 97
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 8 4. package 4.1 package diagram mvsilicon AU7842 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 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 7 6 7 7 7 8 7 9 8 0 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 9 0 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 1 0 0 9 9 dac_hpoutr dac_avss dac_avdd dac_hpoutl dac_vref pll_vss pll_vdd vss usb_dm usb_dp xin xout vdd p2_5 p2_6 p2_7 fsh_db7 fsh_db6 vss resetn fsh_db5 fsh_db4 fsh_db3 fsh_db2 p 1 _ 0 p 1 _ 1 p 1 _ 2 p 1 _ 3 f s h _ d b 1 f s h _ d b 0 v d d v s s f s h _ a b 3 f s h _ a b 2 f s h _ a b 1 i o _ v d d f s h _ a b 0 f s h _ a b 1 0 f s h _ a b 4 f s h _ a b 5 v s s v d d p 1 _ 4 p 1 _ 5 p 1 _ 6 p 1 _ 7 g p i o _ 0 g p i o _ 1 g p i o _ 2 sd_clk io_vdd sd_cmd sd_dat p0_0 p0_1 flash_ab6 flash_ab7 vss vdd flash_ab12 flash_ab15 flash_ab14 flash_ab13 flash_ab8 flash_ab9 flash_ab11 vdd p3_0 p3_1 p3_2 p3_3 io_vdd nc ir g p i o _ 3 g p i o _ 4 g p i o _ 5 g p i o _ 6 g p i o _ 7 v s s v d d p 3 _ 4 p 3 _ 5 p 3 _ 6 p 3 _ 7 p 2 _ 4 p 2 _ 3 d e b u g f l a s h _ w r f l a s h _ r d f l a s h _ e n n c i o _ v d d n c n c n c p 2 _ 2 p 2 _ 1 p 2 _ 0 io_vdd figure 4 AU7842 package diagram (lqfp100-14x14mm / top view) notes: the nc io in these diagrams means not connected , please refer to the application notes for detail.
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 9 4.2 package dimension parameter figure 5 lqfp100-14x14mm package dimension parameter
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 10 5. electrical specification 5.1 absolute maximum ratings (note 1) table 2 absolute maximum ratings parameter symbol rating unit power supply voltage (io) vcc_io_ab -0.5 to 4.6 v power supply voltage (core) vcc_core_ab 0 to 2 v power supply voltage (pll) vcc_pll_ab -0.2 to 2.2 v power supply voltage (dac) vcc_dac_ab -0.3 to 3.6 v storage temperature temp_stg -20 to 125 c 5.2 recommended operating conditions table 3 recommended operating conditions parameter symbol min typ max unit power supply voltage (io) vcc_io_op 3.0 3.3 3.6 v power supply voltage (core) vcc_core_op 1.62 1.8 1.98 v power supply voltage (pll) vcc_pll_op 1.62 1.8 1.98 v power supply voltage (dac) vcc_dac_op 3.0 3.3 3.6 v input voltage (digital) vin 0 3.6 v operating temperature temp_opr 0 70 c 5.3 electrical characteristics table 4 electrical characteristics symbol parameter condition min typ max unit vih input high voltage 2.0 3.6 v vil input low voltage 0 0.8 v voh output high voltage @ioh=2ma 2.4 v vol output low voltage @iol=2ma 0.4 v iol low level output current for 8ma pins @vol = 0.4v 9.4 15.9 19.8 ma ioh low level output current for 8ma pins @voh = 2.4v 11.2 23.8 38.3 ma il input leakage current -10 10 ua ioz tri-state output leakage current -10 10 ua p_play power consumption when playing playing mode 110 mw note: 1. absolute maximum ratings are those values beyond which the safety of the device cannot be guaranteed. they are not meant to imply that the device should be operated at these limits.
mvsilicon AU7842 usb host mp3/wma decoder soc shanghai mountain view silicon technology co ltd http://www.mvsilicon.com 11 contact information shanghai mountain view silicon technology co ltd shanghai headquarter: suite 403, jinying tower a, 1518 minsheng road, pudong new area, shanghai, p.r. china zip code: 200135 tel: 86-21-68549851 ext 114 fax: 86-21-68549859 shenzhen sales & technical support office: suite 8c olympic plaza, shangbao road, futian district, shenzhen, guangdong, p.r. china zip code: 518034 tel: 86-755-83522955 fax: 86-755-83522957 email: support@mvsilicon.com website: http://www.mvsilicon.com

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