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 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 – 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) – Batter...
Atmel
