CS495xx Family

Product Status Notice

CS49500x/10x/20xNot Recommended for New Designs
Recommended for New Designs: CS4953xx CS4970xx

Multi-Standard 32-Bit Audio Decoder and Programmable DSPs

Designed as an ideal silicon solution for audio/video receivers and DVD receivers, the CS495xx audio DSP family integrates two programmable 32-bit DSP cores and a DMA engine with a full set of audio peripherals. Feature-rich designs can be easily developed using the Cirrus Audio Software Library, which includes both certified application programs and a modular programming environment for easy customization. The framework includes certified state-of-the-art audio decoders, virtualizers, surround simulators and audio-enhancement algorithms.

The CS495xx, which features Cirrus Logic’s award-winning Intelligent Room Calibration Software for optimization of in-room acoustics, is designed to reduce system costs and development time while providing features and flexibility for competitive system-level solutions. Difficult processing tasks that incorporate Dolby Digital Surround EX, AAC multichannel, DTS-ES 96/24 and THX Ultra2 Cinema can now be accomplished without the expense of external logic or memory. Additionally, the CS49500 family meets the needs of extensive processing power with twin DSP cores and input/output intensive designs with support for up to 10 input and 16 output channels.

The CS495xx is an excellent Cirrus Logic Audio DSP IC solution for next-generation digital home entertainment products such as audio/video receivers and DVD receivers.

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Documentation

  • Powerful 32-bit, dual-core audio DSPs (1,440 MOPS)
  • Multi-standard 32-bit audio decoding with extreme post-processing
  • Cirrus Logic Audio Software Library (3-overlay structure)
  • Dolby® Digital Pro Logic® II, Dolby Digital EX, DTS-ES 96/24™, DTS-ES Discrete 6.1™, DTS-ES Matrix 6.1™, MPEG-2 AAC LC 5.1 Channel
  • Dolby Digital Surround EX, Dolby Pro Logic IIz, DTS Neo:6®, DTS Neural Surround™, SRS Circle Surround®, Cirrus Extended Surround™ Post-Processor
  • Dolby Digital Headphone®, Dolby Digital Virtual Speaker®, SRS Trusurround HD®, DTS Surround Sensation Speaker™, THX® Ultra2, THX Surround EX™, Quadruple Crossover 7.1 Channel Bass Management
  • Cirrus Intelligent Room Calibration™
  • 10-channel, 32-bit serial audio inputs; 16-channel outputs
  • Two master/slave SPI (serial peripheral interface) or I²C
  • Customer software security keys
  • Large on-chip X, Y and program RAM
  • Supports SDRAM, SRAM, Flash memories
  • Dual 192 kHz S/PDIF transmitters
  • Package: 128-pin LQFP; lead-free assembly

Related Documents

Design Resources

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CS495xx Family - Related News Releases

September 5, 2007
Free of Charge on Cirrus Logic Audio Processors, BandXpandeR Firmware Improves Frequency Harmonics Lost During Audio Compression, Recording or Transmission
April 17, 2006
CS49530 Family Offers Complete Software Solutions in ROM Memory for Multichannel Audio Applications
February 23, 2006
Reference Design Offers Powerful Audio/Video Features, Faster Time-to-Market for AVR Manufacturers
December 7, 2004
Cirrus Logic Receives Two Innovation Award Honoree Recognitions for its CobraNet Digital Networked Audio and Intelligent Room Calibration Software for Home Theater
October 5, 2004
Audio Leader Onkyo First to Incorporate Cirrus Logic's Intelligent Room Calibration Software into New A/V Receiver Products
January 5, 2004
Cirrus Strength in Software the Key to Programmability and Fast Time To Market; New DSP Solution Reaffirms Forward Concepts' Audio Leadership Findings
Part Processor Speed (MIPS) Broadcasting DSP Multi-channel Decoding DSPs Car Audio DSPs PCM Processors / Post-Processor DSPs Package
CS4953xx Dual 32-bit 240 (commercial);
 <=200 (automotive)
CS495314-CVZ CS495314-DVZ CS497014-CVZ 128 LQFP
CS49500x/10x/20x Not Recommended for New DesignsRecommended for New Designs: CS4953xx, CS4970xx
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