T89C51SND1-SR

Features:

• MPEGI/II-Layer 3 Hardwired Decoder
Stand-alone MP3 decoder
48, 44.1, 32, 24, 22.05, 16 KHz sampling freq.
Separated digital volume control on left and right channels (software control 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 available market
PCM format compatible
I2S format compatible
• 8-bit MCU C51 core based (FMAX= 20 MHz)
• 2304 bytes of Internal RAM
• 64 Kbytes of Code Memory
FLASH: T89C51SND1, ROM: T83C51SND1
• 4 Kbytes of Boot Flash Memory (T89C51SND1)
ISP: download from USB or UART to any external memory cards
• USB Rev 1.1 controller
"Full speed" data transmission
• Built-in PLL
MP3 Audio clocks
USB clock
• MultiMediaCard Interface Compatibility
• Atmel DataFlash SPI Interface Compatibility
• IDE/ATAPI Interface
• 2 Channels 10-bit ADC, 8KHz (8 true bit)
Battery voltage Monitoring
Voice recording controlled by software
• Up to 44 bits of General Purpose I/Os for:
4-bit interrupt keyboard port for a 4 x n matrix
Smartmedia software interface
• Standard Two 16-bit Timers/Counters
• Hardware Watchdog Timer
• Standard Full Duplex UART with Baud Rate Generator
• 2-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
-40°C to +85°C
• Packages
TQFP80, PLCC84 (development board)
Dice


Application

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


Pinout




Specifications

Storage Temperature .................................................. -65 to +150°C
Voltage on any other Pin to V_SS .................................... -0.3 to +4.0 V
IOL per I/O Pin 5 mA Power Dissipation .........................................1 W


Description

The T89C51SND1-SR product is a fully integrated stand-alone hardwired MPEGI/II-Layer 3 decoder with a C51 microcontroller core handling data flow and MP3-player control.

The T89C51SND1 includes 64 Kbytes of FLASH memory and allows In System Programming through an embedded 4 Kbytes of Boot FLASH Memory.

The T89C51SND1-SR includes 64 Kbytes of ROM memory.

The T8xC51SND1 includes 2304 bytes of RAM memory.

The T89C51SND1-SR provides all necessary features for man machine interface like timers, keyboard port, serial or parallel interface (USB, 2-wire, SPI, IDE), ADC input, I²S output, and all external memory interface (NAND or NOR FLASH, SmartMedia, MultiMedia).