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• MP3-Player• PDA, Camera, Mobile Phone MP3• Car Audio/Multimedia MP3• Home Audio/Multimedia MP3
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• 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• Programmable Audio Output for Interfacing with Common Audio DAC PCM Format Compatible I2S Format Compatible• 8-bit MCU C51 Core Based (FMAX = 20 MHz)• 2304 Bytes of Internal RAM• 64K Bytes of Code Memory AT89C51SND1C: Flash (100K Erase/Write Cycles) AT83SND1C: ROM• 4K Bytes of Boot Flash Memory (AT89C51SND1C) ISP: Download from USB (standard) or UART (option)• External Code Memory AT80C51SND1C: ROMless• USB Rev 1.1 Controller Full Speed Data Transmission• Built-in PLL MP3 Audio Clocks USB Clock• MultiMedia Card® Interface Compatibility• Atmel DataFlash® SPI Interface Compatibility• IDE/ATAPI Interface• 2 Channels 10-bit ADC, 8 kHz (8-true bit) Battery Voltage Monitoring Voice Recording Controlled by Software• Up to 44 Bits of General-purpose I/Os 4-bit Interrupt Keyboard Port for a 4 x n Matrix SmartMedia® Software Interface• 2 Standard 16-bit Timers/Counters• Hardware Watchdog Timer• Standard Full Duplex UART with Baud Rate Generator• Two Wire Master and Slave Modes Controller• SPI Master and Slave Modes Controller• Power Management Power-on Reset Software Programmable MCU Clock Idle Mode, Power-down Mode• Operating Conditions: 3V, ±10%, 25 mA Typical Operating at 25°C Temperature Range: -40°C to +85°C• Packages TQFP80
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