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