◇ Structure          Silicon Monolithic integrated circuit
◇ Product name  USB host MP3 Decoder LSI
◇ Type                 BU9457KV
◇ Applications      Audio products, etc.
◇ Functions         BU9457KV is MP3 decoder IC which contains USB host and SD card I/F, audio DAC, system controller, regulator for internal CORE power supply.
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• USB2.0 Full Speed host I/F function contained.
• SD card I/F function contained.
• I2C I/F function contained.
• FAT analysis function contained.
• MP3 decode function contained. (available for MPEG1, 2 and 2.5, Layer 1, 2 and 3)
• Sample Rate Converter contained.
• System Controller contained.
• LED Controller contained.
• KEY matrix Controller contained.
• Stand Alone mode contained.
• External processor can control.
• Audio DAC contained.
• Sound Effect function contained.
• Digital Audio Out(I2S, S/PDIF) function contained.
• File Name, Folder Name Sorting.
• ID3TAG Analysis.
• Regulator for internal CORE power supply contained.
• VQFP64pin(0.5mm pitch)