BU94702KV Datasheet, PDF (1/6 Pages) Rohm – Silicon Monolithic integrated circuit

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◇Structure
◇Product name
◇Type
◇Applications
◇Functions
Silicon Monolithic integrated circuit
USB host + MP3 Encoder + WAV/AAC/WMA/MP3 Decoder LSI
BU94702KV
Audio products, etc.
BU94702KV is 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.
USB2.0 Full Speed host I/F function contained.
SD card I/F function contained.
I²C format I/F function contained.
MP3 encode function contained. (available for MPEG1, Layer3, support up to 2X input speed)
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.
CD-ROM I/F function and CD-ROM decode function contained.
Browsing function of other File Names, Folder Names on music playing contained.
ID3TAG and WMATAG and AACTAG Analysis.
Fast forward playing and fast backward playing function contained.
External processor can control.
Resume function contained.
Audio DAC contained. Sound Effect function contained.
Digital Audio Out(I²S, EIAJ, S/PDIF) function contained.
Digital Audio Input(I²S, EIAJ) function contained.
Program download function from external serial Flash ROM contained.
Regulator for internal CORE power supply contained.
VQFP80pin(0.5mm pitch)
◇Absolute maximum ratings (Ta = 25〬C)
Parameter
Symbol
Limits
Unit
Supply voltage(Analog, I/O) VDD1MAX
-0.3～4.5
Ｖ
Input voltage
Storage temperature range
Operating temperature range
Power dissipation *1
VIN
TSTG
TOPR
PD
-0.3 ～ VDD1 + 0.3
-55～125
-40～85
900
Ｖ
℃
℃
ｍＷ
*1：In the case of use at Ta=25℃ or more, 9mW should be reduced per 1℃.
Radiation resistance design is not arranged.
◇Operating conditions (Ta = 25℃)
Parameter
Symbol
Limits
Unit
Supply voltage(Analog, I/O) VDD1
3.0～3.6
Ｖ
Comment
DVDDIO, VDD_PLL,
DAVDD, AVDDC
Comment
DVDDIO,VDD_PLL,
DAVDD, AVDDC
REV. A