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CS493254-CL 데이터시트(PDF) 1 Page - Cirrus Logic

부품명 CS493254-CL
상세설명  Multi-Standard Audio Decoder Family
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제조업체  CIRRUS [Cirrus Logic]
홈페이지  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

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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
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Preliminary Product Information
CS49300 Family DSP
Multi-Standard Audio Decoder Family
Features
CS4930X: DVD Audio Sub-family
PES Layer decode for A/V sync
DVD Audio Pack Layer Support
Meridian Lossless Packing Specification (MLP)™
Dolby Digital™, Dolby Pro Logic II™
MPEG-2, Advanced Audio Coding Algorithm (AAC)
MPEG Multichannel
DTS Digital Surround™, DTS-ES Extended Surround™
CS4931X: Broadcast Sub-family
PES Layer decode for A/V sync
Dolby Digital
MPEG-2, Advanced Audio Coding Algorithm (AAC)
MPEG-1 (Layers 1, 2, 3) Stereo
MPEG-2 (Layers 2, 3) Stereo
CS4932X: AVR Sub-family
Dolby Digital, Dolby Pro Logic II
DTS & DTS-ES decoding with integrated DTS tables
Cirrus Original Surround 5.1 PCM Enhancement
MPEG-2, Advanced Audio Coding Algorithm (AAC)
MPEG Multichannel
MP3 (MPEG-1, Layer 3)
CS49330: General Purpose Audio DSP
—THX® Surround EX™ and THX® Ultra2 Cinema
General Purpose AVR and Broadcast Audio Decoder
(MPEG Multichannel, MPEG Stereo, MP3, C.O.S.)
Car Audio
Features are a super-set of the CS4923/4/5/6/7/8/9
8 channel output, including dual zone output capability
Dynamic Channel Remapability
Supports up to 192 kHz Fs @ 24-bit throughput
Increased memory/MIPs
SRAM Interface for increased delay and buffer capability
Dual-Precision Bass Manager
Enhance your system functionality via firmware
upgrades through the Crystal WareTM Software
Licensing Program
Description
The CS493XX is a family of multichannel audio decoders
intended to supersede the CS4923/4/5/6/7/8/9 family as the
leader of audio decoding in both the DVD, broadcast and
receiver markets. The family will be split into parts tailored for
each of these distinct market segments.
For the DVD market, parts will be offered which support Meridian
Lossless Packing (MLP), Dolby Digital, Dolby Pro Logic II,
MPEG Multichannel, DTS Digital Surround, DTS-ES, AAC, and
subsets thereof. For the receiver market, parts will be offered
which support Dolby Digital, Dolby Pro Logic II, MPEG
Multichannel, DTS Digital Surround, DTS-ES, AAC, and various
virtualizers and PCM enhancement algorithms such as HDCD®,
DTS Neo:6TM, LOGIC7®, and SRS Circle Surround II®. For the
broadcast market, parts will be offered which support Dolby
Digital, AAC, MPEG-1, Layers 1,2 and 3, MPEG-2, Layers 2 and
3.
Under the Crystal brand, Cirrus Logic is the only single supplier
of high-performance 24-bit multi-standard audio DSP decoders,
DSP firmware, and high-resolution data converters. This
combination of DSPs, system firmware, and data converters
simplify rapid creation of world-class high-fidelity digital audio
products for the Internet age.
Ordering Information: See page 85
APPLICATION
CORE DECODER FUNCTIONALITY
CS49300
DVD Audio
MLP, AC-3, AAC, DTS, MPEG 5.1, MP3, etc.
CS49310
Broadcast
AAC, AC-3, MPEG Stereo, MP3, etc.
CS49311
Broadcast
AAC, MPEG Stereo, MP3, etc.
CS49312
Broadcast
AC-3, MPEG Stereo, MP3, etc.
CS49325
AVR
AC-3, COS, MPEG 5.1, MP3, etc.
CS49326
AVR
AC-3, DTS, COS, MPEG 5.1, MP3, etc.
CS49329
AVR
AC-3, AAC, DTS, MPEG 5.1, MP3, etc.
CS49330
Car Audio DSP
Car Audio Code
CS49330
General Purpose
MPEG 5.1, MPEG Stereo, MP3, C.O.S., etc
CS49330
Post-Processor
DPP, THX Surround EX, THX Ultra2 Cinema
DATA7:0,
CS
Parallel or Serial Host Interface
CMPCLK,
Compressed
PLL
FILT1
VA
Framer
DD
DC
MCLK
SCLK
LRCLK
AUDATA[2.0]
XMT958/AUDATA3
CMPDAT,
SCLKN2
CMPREQ,
LRCLKN2
SCLKN1,
STCCLK2
LRCLKN1
SDATAN1
Data Input
Interface
Digital
Audio
Input
Interface
FILT2
AGND
Clock Manager
CLKIN
CLKSEL
Shifter
Input
Buffer
Controller
RAM Input
Buffer
DGND[3:1]
VD[3:1]
24-Bit
DSP Processing
RAM
Program
Memory
RAM
Data
Memory
ROM
Program
Memory
ROM
Data
Memory
STC
EMAD7:0,
GPIO7:0
R/W,
EMOE,
GPIO11
RD,
DS,
EMWR,
GPIO10
WR,
SCDOUT,
PSEL,
GPIO9
SCDIO,
A0,
SCCLK
A1,
SCDIN
ABOOT,
INTREQ
EXTMEM,
GPIO8
Output
Formatter
RAM
Buffer
Output
RESET
SDATAN2
MAR ‘02
DS339PP4


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