Hi,

there is a new 8051 from Atmel:

T89C51SND1

- 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 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 available on the
market
? PCM format compatible
? I 2 S format compatible
? 8-bit MCU C51 core based (F MAX = 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
? -40C to +85C
? Packages
? TQFP80, PLCC84 (development board)



Peter