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CS494502-CQ データシート(PDF) 1 Page - Cirrus Logic |
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CS494502-CQ データシート(HTML) 1 Page - Cirrus Logic |
1 / 100 page 1 Copyright © Cirrus Logic, Inc. 2002 (All Rights Reserved) P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.cirrus.com Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. CS49400 Family DSP Multi-Standard Audio Decoder Features CS49300 Legacy Audio Decoder Support Dolby Digital EXTM, Dolby Pro Logic IITM DTS-ES 96/24TM, DTS 96/24TM,DTS-ES Discrete 6.1TM, DTS-ES Matrix 6.1TM,DTS Digital SurroundTM and DTS Virtual 5.1TM MPEG-2: AAC Multichannel 5.1 MPEG Multichannel and Musicam MPEG-1/2, Layer III (MP3) DTS Neo:6TM, LOGIC7®, SRS Circle Surround IITM Cirrus Extra SurroundTM, Cirrus Original Surround 6.1 (C.O.S. 6.1)TM THX Surround EXTM, THX Ultra2 CinemaTM 12-Channel Serial Audio Inputs Integrated 8K Byte Input Buffer Powerful 32-bit Audio DSP Customer Software Security Keys Large On-chip X,Y, and Program RAM Supports SDRAM, SRAM, FLASH memories 16-channel PCM output Dual S/PDIF Transmitters SPI Serial, and Motorola® and Intel® Parallel Host Control Interfaces GPIO support for all common sub-circuits Description The CS49400 Audio Decoder DSP is targeted as a market- specific consumer entertainment processor for AV Receivers and DVD Audio/Video Players. The device is constructed using an enhanced version of the CS49300 Family DSP audio decoder followed by a 32-bit programmable post-processor DSP, which gives the designer the ability to add product differentiation through the Cirrus FrameworkTM programming structure and Framework module library. Dolby Digital Pro Logic II, DTS Digital Surround, MPEG Multichannel, and Cirrus Original Surround 6.1 PCM Effects Processor (capable of generating such DSP audio modes as: Hall, Theater, Church) are included in the cost of the CS49400 Family DSP. Additional algorithms available through the Crystal WareTM Software Licensing Program, give the designer the ability to further deliver end-product differentiation. The CS49400 contains sufficient on-chip SRAM to support decoding all major audio decoding algorithms available today including: AAC Multichannel, DTS 96/24, DTS-ES 96/24. The CS49400 also supports a glueless SDRAM/SRAM for increased all-channel delays. The SRAM interface also supports connection to an external byte-wide EPROM for code storage or Flash memory thus allowing products to be field- upgradable as new audio algorithms are developed. This chip, teamed with Crystal WareTM certified decoder library, Cirrus digital interface products and mixed signal data converters, enables the conception and design of next generation digital entertainment products. Ordering Information: See page 98 Parallel or Serial Host Interface External Memory Interface 32-Bit DSP Multi-Standard Audio Decoder Compressed Digital Interface PLL Clock Manager GPIO and I/O Controller Digital Audio Input Digital Audio Output DSP C DSP AB Serial Audio Interface SAI 0 SAI 1 SAI 3 SAI 2 DAO 0 DAO 1 Frame Shifter Input Buffer RAM DSP RAM DSP ROM Parallel or Serial Host Interface Programmable JUL ‘02 DS536PP2 |
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同様の説明 - CS494502-CQ |
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