DOC4106

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 (F MAX = 20 MHz) 2304 Bytes of Internal RAM 64K Bytes of Code Memory – Flash: AT89C51SND1C, ROM: AT83C51SND1C 4K Bytes of Boot Flash Memory (AT89C51SND1C) – 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 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 Standard Two 16-bit Timers/Counters Hardware Watchdog Timer Standard Full Duplex UART with Baud Rate Generator Two Wire Interface (TWI) Master and Slave Modes Controller SPI Master and Slave Modes Controller Power Management – Power-on Reset – Software Programmable MCU Clock – Idle Mode, ...