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AT83C51SND1C_03 Datasheet, PDF (1/210 Pages) ATMEL Corporation – Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
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
• 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)
– AT83C51SND1C: ROM
• 4K Bytes of Boot Flash Memory (AT89C51SND1C)
– ISP: Download from USB or UART
• 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, BGA81, PLCC84 (Development Board)
– Dice
Single-Chip
Flash
Microcontroller
with MP3
Decoder and
Human Interface
AT83C51SND1C
AT89C51SND1C
Preliminary
Description
The AT8xC51SND1C are fully integrated stand-alone hardwired MPEG I/II-Layer 3
decoder with a C51 microcontroller core handling data flow and MP3-player control.
The AT89C51SND1C includes 64K Bytes of Flash memory and allows In-System Pro-
gramming through an embedded 4K Bytes of Boot Flash memory.
Rev. 4109E–8051–06/03