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ST's CD servo and audio playback controllers are single-chip solutions that provide the front-end functions of a compact-disc player together with connectivity for music storage devices (USB, SD, iPod)  and the playback capabilities for the most popular digital audio formats (AAC, MP3, WMA).

They include actuator control and processing of the pickup head signal to generate analog and digital signals, audio decoding features and  FAT16/FAT32 file system management.

Features can include:

• Audio Playback capabilities
• Audio decoding (WMA9.0, MP3, AAC)
• Embedded ARM7DMI microcontroller
• Analog front-end
• Digital servo
• Shockproof controller
• Digital interface
• Stereo DAC ports
• USB, SDHC ports
• iPod 1-wire support