CS4922-CL Datasheet PDF - Cirrus Logic

Description
The CS4922 is a complete audio decompression sub system implemented in a single high integration mixed signal CMOS chip. The CS4922 has been widely used in direct broadcast system set-top boxes and proprietary embedded systems which pull compressed audio from local system memory.

FEATUREs
DSP Optimized for Audio Decode, 24-bit Fixed Point w/48-bit Accumulator
On-Chip Functional Blocks Include:
  - DSP with RAM and ROM Memories
  - CD Quality Stereo DAC with Output Filtering
  - Mono Output & Digital Volume Control
  - S/PDIF Transmitter, Bidirectional PCM Audio Port
  - Internal Phase Locked Loop for Clocking
  - Dedicated Compressed Serial Input Interface
MPEG-1 & MPEG-2 Layers 1 & 2 With All Sample/Bit Rates and Ancillary Data Support.
MPEG-1 & MPEG-2 Packetized Audio Stream and Elementary Stream Input
G.729A Audio Decode
PCM Synthesis for Auxiliary Audio
Pin Compatibility with CS4920A and Primary Feature/Firmware Compatible
+5 Volt Only CMOS, 44 pin PLCC