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- USB Audio Controller
•4 Endpoints
•USB Transceiver
- D16 bit CODEC
•1ch A/D Converter ( Microphone )
•Fixed Gain Pre-Amplifier(+20dB)
•Mute/Volume Control
+24dB to -31dB ( 1dB step )
•2ch D/A Converter
•Mixer
Mute/Attenuation Control
+0dB to -47dB ( 1dB step )
Analog Bass Boost
- HID Support
• Remote Control of playback volume/mute
• Recording mute/status function
- Advanced Power Management
• Control of external headphone amplifier
- EEPROM I/F (Microwire Type)
• can read Descriptor from EEPROM
• 1K/2K/4K bit EEPROM
- On-Chip PLL
• 7 Frequencies :
8kHz, 11.025kHz, 16kHz, 22.05kHz,
32kHz, 44.1kHz, 48kHz
- Single Power Supply 3.3V Å}0.3V
- Low Power 50mA@3.3V
- Package 48pin LQFP
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