AT89SND2CMP3B

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 – PCM Format Compatible – I2S Format Compatible Mono Audio Power Amplifier – 440mW on 8 Ohms Load 8-bit MCU C51 Core Based (FMAX = 20 MHz) 2304 Bytes of Internal RAM 64K Bytes of Code Memory – AT89C51SND2C and 89SND2CMP3B: Flash (100K Erase/Write Cycles) – AT83SND2C and 83SND2CMP3B: ROM 4K Bytes of Boot Flash Memory (AT89C51SND2C and...