BU94605AKV Datasheet, PDF (1/84 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card +CD-ROM+MP3 Record

Datasheet
USB Audio Decoder LSI Series
AAC/WMA/MP3 +SD Memory Card
+CD-ROM+MP3 Record
BU94605AKV BU94607AKV BU94702AKV BU94705AKV
●Description
BU94605AKV BU94607AKV BU94702AKV
BU94705AKV are MP3 encoder + WAV/AAC/WMA/MP3
decoder IC which contains program download function
from external serial Flash ROM and contains USB host,
SD card I/F, CD-ROM I/F, audio DAC, system controller,
regulator for internal CORE power supply.
●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. *1
„ MP3 encode function contained. *2,*3,*10
„ MP3 decode function contained. *4
„ WMA decode function contained. *5
„ AAC decode function contained. *6,*7
„ WAV format file playing function contained. *7
„ Sample Rate Converter contained. *8
„ System Controller contained.
„ FAT analysis function contained.
„ CD-ROM I/F function and
CD-ROM decoder function contained.
„ Browsing function of File Names, Folder Names on
music playing contained.
„ ID3TAG and WMATAG and AACTAG Analysis.
„ Fast forward/backward playing function contained.
„ Resume function contained.
„ File data Reading/Writing function contained.
„ Program download function from external serial Flash
ROM contained.
„ Audio DAC and Sound Effect function contained.
„ Digital Audio Out function contained. *9
„ Regulator for internal CORE power supply contained.
●Applications
Audio products, etc
●Line up
Part number
BU94605AKV
BU94607AKV
BU94702AKV
BU94705AKV
MP3 encoder
Not
Supported
Not
Supported
Supported
Supported
iPod
Not
supported
Supported
Not
supported
Supported
●Package
VQFP80
14.00mm x 14.00mm x 1.60mm
VQFP80
*1 BU94705AKV and BU94607AKV only.
*2 BU94705AKV and BU94702AKV only.
*3 Available for MPEG1, Layer3, support up to 2X
inputspeed.
*4 Available for MPEG1, 2 and 2.5, Layer 1, 2 and 3.
*5 Available for WMA9 standard and not available for DRM.
*6 Available for MPEG4 AAC-LC and not available for DRM.
*7 Not available for CD-ROM.
*8 Convert to 44.1 kHz.
*9 Available for I²S, EIAJ, S/PDIF format.
*10 Writing speed to the memory (USB memory, SD memory
card) of the encoding data depends on the response speed
of the memory greatly. Examine the memory which a
connection is presumed fully, and limit the encoding format
specifications of the set because real time encoding can't
be realized when a writing response speed is slow.
Package
Reel of 1000
VQFP80
Tray of 1000
Reel of 1000
VQFP80
Tray of 1000
Reel of 1000
VQFP80
Tray of 1000
Reel of 1000
VQFP80
Tray of 1000
Ordering part number
BU94605AKV-E2
BU94605AKV
BU94607AKV-E2
BU94607AKV
BU94702AKV-E2
BU94702AKV
BU94705AKV-E2
BU94705AKV
○Product structure:Silicon Monolithic integrated circuit ○Radiation resistance design is not arranged
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
1/80
TSZ02201-0V2V0E600090-1-2
2012.12.10 Rev.002