AT89SND2CMP3B - ATMEL Corporation

AT89SND2CMP3B Single-Chip Flash Microcontroller

Features • MPEG I/II-Layer 3 Hardwired Decoder – Stand-alone MP3 Decoder – 48, 44.1, 32, 24, 22.05, 16 kHz Sampling Frequency – Separated Digital Volume Control on Left and Right Channels (Software Control using 31 Steps) – Bass, Medium, and Treble Control (31 Steps) – Bass Boost Sound Effect – Ancillary Data Extraction – CRC Error and MPEG Frame Synchroniza.

Features

• MPEG I/II-Layer 3 Hardwired Decoder
  – Stand-alone MP3 Decoder
  – 48, 44.1, 32, 24, 22.05, 16 kHz Sampling Frequency
  – Separated Digital Volume Control on Left and Right Channels (Software Control using 31 Steps)
  – Bass, Medium, and Treble Control (31 Steps)
  – Bass Boost Sound Effect
  – Ancillary Data Extraction
  – CRC Error and MPEG Frame Synchronization Indicators
• 20-bit Stereo Audio DAC
  – 93 dB SNR playback stereo channel
  – 32 Ohm/ 20 mW stereo headset drivers
  – Stereo Line Level Input, Differential Mono Auxiliary Input
• Programmable Audio Output for Interfacing with External Audio System .