CS485xx Family Audio DSP Better Sound Made Simple Overview: CS485xx Family Target Markets: The CS48520, CS48540 and CS48560 ICs give OEMs a cost effective and simple-to-design audio post-processing solution that provides an extensive selection of enhanced audio features to maximize the end user’s listening experience. Digital Televisions/Soundbars Accessory Products CS485xx Family Features: • Multichannel 32-bit audio post processing at 150 MHz with dual MACs (300 M MACs/Sec) • CS48520 supports 4 channel 32-bit PCM I/O • CS48540 supports 8 channel 32-bit PCM I/O • CS48560 supports 12 channel 32-bit PCM I/O • 192 kHz S/PDIF Tx • SPI™/I2C ® serial control port Automotive Blu-ray®/DVD™ Receivers & HTiB Systems • Low-power standby: 260µW • Large on-chip RAM & ROM • Programmable GUI software tool • Licensed third party audio processing algorithms in ROM, plus extensive library of Cirrus proprietary downloadable and customizable firmware - see back for complete list of algorithms CS485xx Family Key Benefits: • Easy to design – most standard processing features & some 3rd party algorithms in ROM • DSP Composer GUI simplifies programming • High performance-to-cost ratio • No external memory needed • Complete PCM processor in a single IC: • Matrix decoders • Automatic volume leveling/modeling • Speaker and headphone virtualizers • Bass management • Speaker and cabinet tuning • Automatic speaker/room EQ • Lip-sync delay Cirrus Logic’s CS48520 & CS4525 as used in a 2.1 channel DTV application www.cirrus.com CS485xx Family DSP GUI Programming Environment with CDB48500-USB Development Platform Ordering Information: CS485xx Family Audio Processors Device(s) CS48520/40/60-CQZ (Consumer) CS48520/40/60-DQZ Package 48-Pin LQFP Evalulation Board CDB48500-USB Application Note AN298, AN298 Family Tools DSP Composer GUI Software Tool Standard Processing Bass management Compressor/Limiter Graphic/Parametric EQ Matrix mixer Tone control, etc. Cirrus Proprietary Algorithm Support Cirrus BandXpandeR™ Cirrus Extra Surround™ Cirrus Original Surround™ Cirrus Virtualizer Technology™ Cirrus Original Multichannel Surround™ / II (COMS/COMS2) Cirrus Dynamic Volume Leveler™ Cirrus Intelligent Room Correction™ / II (IRC/IRC2) Extensive 3rd Party Algorithm Support Audistry™ by Dolby® Audyssey™ Dynamic EQ Audyssey™ Dynamic Volume Dolby® Pro Logic® II/IIx Dolby® Virtual Speaker® Dolby® Headphone® DTS Neo:6™ DTS SurroundSensation™ Neural-THX® Surround SRS® Automotive™ SRS® CircleSurround® II SRS® TruSurround XT/HD/HD4™ SRS® Volume IQ™ SRS® WOW / WOW HD™ The CS48520/40/60 is programmed using the Cirrus Logic proprietary GUI software development tool called DSP Composer™. An audio processing chain is designed using a drag and drop interface. The tool then configures the CS48520/40/60 through the SPI™/I2C® serial port. The firmware may be loaded from the ROM within the CS48520/40/60 or it may be downloaded through the serial control port. (Automotive) www.cirrus.com Cirrus L og ic, In c. · 2901 Via For t una · Aus t in T X 7 8 74 6 U S A · T 5 1 2 - 8 5 1 - 4 0 0 0 · T 8 0 0 - 8 8 8 - 5 0 1 6 · F 5 1 2 - 8 5 1 - 4 9 7 7 Product Bulletin 0186-0108-PB © 2008 Cirrus Logic, Inc. All rights reserved. Product information is subject to change without notice. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners.