AT80C51SND1C

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)
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, BGA81, PLCC84 (Development Board)
Dice



Application

• MP3-Player
• PDA, Camera, Mobile Phone MP3
• Car Audio/Multimedia MP3
• Home Audio/Multimedia MP3


Pinout




Description

The AT80C51SND1C are fully integrated stand-alone hardwired MPEG I/II-Layer 3 decoder with a C51 microcon-troller core handling data flow and MP3-player control.

The AT80C51SND1C includes 64K Bytes of Flash memory and allows In-System Programming through an embedded 4K Bytes of Boot Flash memory.

The AT80C51SND1C includes 64K Bytes of ROM memory.

The AT80C51SND1C does not include any code memory.

The AT80C51SND1C include 2304 Bytes of RAM memory.

The AT80C51SND1C provides the necessary features for human interface like timers, keyboard port, serial or parallel interface (USB, TWI, SPI, IDE), ADC input, I2S output, and all external memory interface (NAND or NOR Flash, SmartMedia, MultiMedia, DataFlash cards).