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.

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.

APPLICATIONs
   Audio products, etc