CS49530X Datasheet PDF - Cirrus Logic

Audio Decoder DSP Family with Dual 32-bit DSP Engine Technology

The CS4953xx DSP family are the enhanced versions of the CS495xx DSP family with higher overall performance and lower system cost. The CS4953xx includes all mainstream audio processing codes in on-chip ROM. This saves external memory for code storage. In addition, the intensive decoding tasks of Dolby Digital Surround EX®, AAC multi-channel, DTS-ES 96/24, THX Ultra2 Cinema and Dolby Headphone can be accomplished without the expense of external SDRAM memory.

FEATURES
❐ Multi-standard 32-bit Audio Decoding plus Post
   processing
❐ Supports legacy audio formats and a wide array of postprocessing
   — Dolby Digital® EX, Dolby Pro Logic® II, IIx, IIz 7.1,
      Dolby Headphone® 2, Dolby Virtual Speaker® 2,
      Dolby Volume® (original), Dolby Volume 258™ (lite),
      Audistry®
   — DTS-ES 96/24™ Discrete 7.1, DTS-ES™ Discrete 7.1,
      DTS-ES™ Matrix 6.1, DTS Neo:6®, DTS Neural
      Surround™ DTS Surround Sensation Speaker
   — MPEG-2 AAC™ LC 5.1
   — SRS® Circle Surround® II, SRS Circle Surround Auto,
      SRS Circle Surround Decoder Optimized, SRS
      TruVolume™ 7.1 (V 2.1.0.0), SRS TruSurround
      HD/HD4®, SRS WOW HD™, SRS CS Headphone™,
      SRS Circle Cinema 3D™, SRS Studio Sound HD™
   — THX® Ultra2™, THX Select2™
❐ Cirrus Logic’s Applications Library
   — Cirrus Original Multi-Channel Surround 2 (COMS2),
      Cirrus Band XpandeR™, Cirrus Virtualization
      Technology (CVT), Cirrus Intelligent Room Calibration
      2 (IRC2), Cirrus Bass Enhancement (CBE)
   — Crossbar Mixer, Signal Generator
   — Advanced Post-Processors including: 7.1 Bass
      Manager Quadruple Crossover, Tone Control, 11-
      Band Parametric EQ, Delay, 2:1/4:1 Decimator,
      1:2/1:4 Upsampler
❐ Up to 12 Channels of 32-bit Serial Audio Input
❐ 16 Ch x 32-bit PCM Out with Dual 192 kHz S/PDIF Tx
❐ Two SPI™/I2C™ Ports
❐ Customer Software Security Keys
❐ Large On-chip X, Y, and Program RAM & ROM
❐ SDRAM and Serial Flash Memory Support