BU94501AMUV Datasheet, PDF (1/73 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card + iPod

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 structure：Silicon Monolithic integrated circuit ○Radiation resistance design is not arranged
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
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TSZ02201-0V2V0E600070-1-2
2012.12.10 Rev.003