DESCRIPTION The ES3986 digital-audio processor chip is ESS Technology’s highly integrated, optimal-quality, and cost effective single-chip solution for the emerging digital-audio market. Its target applications include internet audio platforms, MP3 CD players in boom box and combination systems, portable MP3 CD player, etc.

FEATURES
• Programmable multimedia processor (PMP) architecture
• MPEG1/MPEG2 and MP3 audio decoder
• CD block decoder functions
• STC interpretation and audio phase-lock loop (PLL)
• 256/384 fs for audio system clock
• Programmable master clock for external audio DAC
• Independent bit clock for audio transmit and receive
• Power management
• 2.5V power supply with 5V-tolerant I/Os
• 3D sound and surround sound
• Karaoke function
• Vocal reverb: simulates a theater acoustic environment
• 0.3W power dissipation
• 2-Mb DRAM support
• 100-pin plastic quad flat pack (PQFP) package digitalaudio processor