CS4811GTR-01 Datasheet - Cirrus Logic

Description
The CS4811 is a complete audio effects processing system on a chip. This device integrates a proprietary 24-bit audio processing engine, large on-chip RAM memories, and a high performance 24-bit audio codec. A serial control port allows the device to boot firmware from a compact and low cost SPI or I2C serial EEPROM. Other features such as single +5 V operation simplify system design.

FEATUREs
lAudio Processor for embedded reverb/effects applications
  – Proprietary 24-bit Audio Processing Engine
  – On-chip RAM (No external RAM required)
  – On-chip 24-bit ∆ΣADC with 100 dB Dyn. Range
  – On-chip 24-bit ∆ΣDAC with 100 dB Dyn. Range
  – Automatically boots firmware from external serial EEPROM
lFirmware available for Guitar Effects or Mixer Effects applications
lSingle +5 V Supply
l100-pin Metric Quad Flat Pack (MQFP)