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BU94502AMUV 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BU94502AMUV은 전자 산업 및 응용 분야에서
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부품번호 BU94502AMUV 기능
기능 USB Audio Decoder LSI
제조업체 ROHM Semiconductor
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BU94502AMUV 데이터시트, 핀배열, 회로
Datasheet
USB Audio Decoder LSI Series
AAC/WMA/MP3
+SD Memory Card + iPod
BU9450xAxxx Series
Description
BU9450xAxxx series are WAV/AAC/WMA/MP3 decoder
LSI which contains USB host, SD card I/F, audio DAC,
system controller, regulator for internal CORE power
supply.
Package W(Typ.) x D(Typ.) x H(Max.)
Features
„ USB2.0 Full Speed host I/F function contained.
„ SD card I/F function contained.
„ I2C format I/F function contained.
„ Protocol conversion from I2C to USB HID or from USB
HID to I2C.
(BU94502AMUV and BU94502ASK2 only)
„ MP3 decode function contained. (Available for
MPEG1, 2 and 2.5, Layer 1, 2 and 3)
„ WMA decode function contained. (Available for WMA9
standard and not available for DRM)
„ AAC decode function contained. (available for
MPEG4 AAC-LC and not available for DRM)
„ WAV format file playing function contained.
„ Sample Rate Converter contained.
„ System Controller contained.
„ FAT analysis function contained.
„ Browsing function of File Names, Folder Names on
music playing contained.
„ ID3TAG and WMATAG and AACTAG Analysis.
„ Fast forward playing and fast backward playing
function contained.
„ Resume function contained.
„ Reading a specified file data is possible from
connected memory.
„ LUN is selectable.
„ Sound Effect function contained.
„ Digital Audio Out function contained.
(I2S, EIAJ, S/PDIF)
„ Audio DAC contained.
„ Regulator for internal CORE power supply contained.
VQFN040V6060
6.00mm x 6.00mm x 1.00mm
SQFP-T52M
12.00mm x 12.00mm x 1.50mm
Applications
Audio products, etc
Line up
Part number
BU94501AMUV
BU94501AKS2
BU94502AMUV
BU94502AKS2
iPod
Not supported
Supported
Package
VQFN040V6060 Reel of 2000
SQFP-T52M
Tray of 1000
VQFN040V6060 Reel of 2000
SQFP-T52M
Tray of 1000
Ordering part number
BU94501AMUV-E2
BU94501AKS2
BU94502AMUV-E2
BU94502AKS2
Product structureSilicon Monolithic integrated circuit Radiation resistance design is not arranged
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/69
TSZ02201-0V2V0E600070-1-2
2012.12.10 Rev.003




BU94502AMUV pdf, 반도체, 판매, 대치품
BU9450xAxxx series
Datasheet
Difference of BU9450XA Series features
Item
Package
Number of pins
Power supply
USB Host I/F
SD card I/F
iPod
iPod automatic
enumeration
I2C command I/F
Slave
Patch cord download
Change the Setting of
timeout and retry mode
in USB memory or SD
card mount operation
Audio line output
Digital audio output
Sample rate convertor
clock
Playable MP3 files
Playable WMA files
Playable AAC files
Playable WAV files
Browsing function
BU94502AMUV
BU94501AMUV
VQFN040V6060
40pin
3.3V (inner 1.5V regulator )
USB Full speed(12Mbps),
USB mass storage class
SPI mode
SD, SDHC, MMC, mini-SDcard
Supported
Not supported *1
Supported
Not supported *1
Supported
Supported
Supported
Supported
I2S, EIAJ, SPDIF
Supported
16.9344MHz (*1)
*.mp3, *.mp2, *.mp1
*.asf, *.wma
*.m4a, *.3gp, *.mp4
*.wav
Supported
BU94502AKS2
BU94501AKS2
SQFP-T52M
52pin
3.3V (inner 1.5V regulator )
USB Full speed(12Mbps),
USB mass storage class
SPI mode
SD, SDHC, MC, mini-SDcard
Supported
Not supported *1
Supported
Not supported *1
Supported
Supported
Supported
Supported
I2S, EIAJ, SPDIF
Supported
16.9344MHz (*1)
*.mp3, *.mp2, *.mp1
*.asf, *.wma
*.m4a, *.3gp, *.mp4
*.wav
Supported
*1 For using of BU94502AMUV and BU94502AKS2, It is necessary to become a licensee of Apple Inc. regarding "Made
for iPod/iPhone/iPad License".
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/69
TSZ02201-0V2V0E600070-1-2
2012.12.10 Rev.003

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BU94502AMUV 전자부품, 판매, 대치품
BU9450xAxxx series
Datasheet
Description of Terminals -part1
BU94501AMUV / BU94502AMUV
No Pin Name
IO Cir IO
PU Function
1 DVSSIO
--
GND terminal
2 RESETX
A
I
PU*3
H: Release RESET,
L: RESET
3 TMODE
HI
Test mode terminal. Connect it to GND.
4 IRPTO
BO
Connection interrupt output terminal
5 SEARC
BO
Search flag output terminal
6 MCHNG
BO
File play end flag output terminal
7 BUSY
8 SCL
9 SDA
BO
II
I I/O
Command analysis BUSY output temrinal
*2 I2C slave clock input terminal
*2 I2C slave data I/O terminal
10 DVDD_M
--
CORE power (VDD2) monitor terminal. Connect it to bypass
capacitor.
11 DVSSIO
--
GND terminal
12 DVDDIO
--
IO power (VDD1) terminal
13 TEST1
I
Test mode terminal. Connect it to GND.
14 XIN_PLL
EI
X'tal (16.9344MHz) connection input terminal.
15 XOUT_PLL
EO
X'tal (16.9344MHz) connection output terminal.
16 TEST2
HI
PU Pull it up at VDD1 power.
17 TEST3
HI
PU Pull it up at VDD1 power.
18 TEST4
H I PU *1*3 Test mode terminal. Connect it to GND.
19 AVDDC
--
USB Power supply (VDD1) terminal
20 AVSSC
--
USB GND terminal
21 USB_DM
C I/O
USB DI/O terminal
22 USB_DP
23 REXTI
C I/O
DO
USB D+ I/O terminal
USB bias resistor (12k) connecting terminal
Arrange the resistance of 12knear PIN, and wiring on the PIN
side doesn't cross with other signal lines.
24 CLK24MI
B I/O PU*3 24MHz clock input terminal at SRC through mode
25 LRCK/SPDIF B O
Digital Audio channel clock or SPDIF output terminal
26 BCK
BO
Digital Audio bit clock output terminal
27 DATA
BO
Digital Audio data output terminal
28 MCLK
BO
Audio Master clock (12.288MHz/16.9344MHz) output terminal
29 DVDDIO
--
IO Power supply (VDD1) terminal
30 AMUTE
GO
Audio Mute output terminal (HMUTE OFF, LMUTE ON)
31 DAVSS
--
Audio DAC GND terminal
32 RDACO
FO
Audio DAC Rch Line output terminal
33 VCDACO
JO
Audio DAC Reference voltage output terminal
34 LDACO
FO
Audio DAC Lch Line output terminal
35 DAVDD
B
Audio DAC Power supply (VDD1) terminal
36 SD_CON
B I PU*3 SD card Connect terminal
37 SD_DO
BI
SD card Data In terminal
38 SD_CLK
BO
SD card Clock terminal
39 SD_DI
BO
SD card Data Out terminal
40 SD_CS
BO
SD card Chip select terminal
*1 Pull-Up turns OFF when L is input.
*2 An external pull-up resistor is required because of Open Drain IO
*3 please input L level directly without resistance when you input L to the terminal with Pull-Up (about 33 k)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/69
TSZ02201-0V2V0E600070-1-2
2012.12.10 Rev.003

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부품번호상세설명 및 기능제조사
BU94502AMUV

USB Audio Decoder LSI

ROHM Semiconductor
ROHM Semiconductor

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