Single-Chip Flash Microcontroller
Description
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...
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