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CS495313-CQZ Datasheet(PDF) 1 Page - Cirrus Logic |
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CS495313-CQZ Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 38 page  ®Copyright 2008 Cirrus Logic, Inc. JUNE ’08 DS705PP2 http://www.cirrus.com 32-bit Audio Decoder DSP Family with Dual DSP Engine Technology CS4953xx Data Sheet Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. FEATURES Multi-standard 32-bit Audio Decoding plus Post Processing Framework™ Applications Library in ROM — Dolby Digital® EX, Dolby® Pro Logic® IIx, Dolby Headphone®, Dolby® Virtual Speaker® — DTS-ES 96/24™, DTS-ES™ Discrete 6.1, DTS-ES™ Matrix 6.1, DTS:Neo6™ — AAC™ Multichannel 5.1 —SRS® CS2® and TSXT® —THX® Ultra2™, THX® ReEQ™ — Cirrus Original Multi-Channel Surround (COMS) — Crossbar Mixer, Signal Generator — Advanced Post-Processor including: 7.1Bass Manager, Tone Control, 12- Band Parametric EQ, Delay, 1:2 Upsampler —Microsoft® HDCD® Framework™ Applications for Download — Thomson MP3 Surround — Internal DSD-to-PCM Conversion Up to 12 Channels of 32-bit Serial Audio Input 6 Channel DSD Input 16 Ch x 32-bit PCM Out with either two 192 kHz S/PDIF Tx (144-pin package) or one 192 kHz S/PDIF Tx (128-pin package) Two SPI™/I2C®, One Parallel and One UART Port Customer Software Security Keys Large On-chip X, Y, and Program RAM & ROM SDRAM and Serial/Parallel Flash Memory Support 32-bit DSP A D M A 32-bit DSP B Ext. Memory Controller P S/PDIF X Y P X Y Serial Control 1 16 Ch PCM Audio Out Serial Control 2 Parallel Control GPIO UART Debug STC TMR1 TMR2 PLL S/PDIF 12 Ch. Audio In / 6 Ch. SACD In 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. With larger internal memories than the CS495xx, the CS49531x is designed to support up to 150 ms per channel of lip-sync delay. With 150 MHz internal clock speed, the CS4953xx supports the most demanding post- processing requirements. It is also designed for easy upgrading. Customers currently using the CS495xx can upgrade to the CS4953xx with minor hardware and software changes. Ordering Information See page 31 for ordering information |
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