USB Audio Decoder IC 80-Pin VQFP T/R

ROHM"s USB Audio Decoder ICs integrate a USB 2.0 host, SD memory card controller, AAC decoder, WMA decoder, MP3 decoder, Audio DAC amp, and a system controller all on a single chip, allowing easy playback of music stored in USB flash memory using an audio player. They can be easily added to virtually any audio device (i.e. CD player, mini-component stereo, portable player, car stereo) for greater functionality. · 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.