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CS493112-CL Datasheet

  • CS493112-CL

  • Multi-Standard Audio Decoder Family

  • 1338.66KB

  • CIRRUS

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CS49300 Family DSP
Multi-Standard Audio Decoder Family
Features
CS4930X: DVD Audio Sub-family
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PES Layer decode for A/V sync
DVD Audio Pack Layer Support
Meridian Lossless Packing Specification (MLP)鈩?/div>
Dolby Digital鈩? Dolby Pro Logic II鈩?/div>
MPEG-2, Advanced Audio Coding Algorithm (AAC)
MPEG Multichannel
DTS Digital Surround鈩? DTS-ES Extended Surround鈩?/div>
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
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)
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
庐
,
DTS Neo:6
TM
, LOGIC7
庐
, and SRS Circle Surround II
庐
. 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.
CS4931X: Broadcast Sub-family
CS4932X: AVR Sub-family
鈥?THX
庐
Surround EX鈩?and THX
庐
Ultra2 Cinema
鈥?General Purpose AVR and Broadcast Audio Decoder
(MPEG Multichannel, MPEG Stereo, MP3, C.O.S.)
鈥?Car Audio
CS49330: General Purpose Audio DSP
Ordering Information:
See
page 85
APPLICATION
CS49300
CS49310
CS49311
CS49312
CS49325
CS49326
CS49329
CS49330
CS49330
CS49330
DVD Audio
Broadcast
Broadcast
Broadcast
AVR
AVR
AVR
Car Audio DSP
General Purpose
Post-Processor
CORE DECODER FUNCTIONALITY
MLP, AC-3, AAC, DTS, MPEG 5.1, MP3, etc.
AAC, AC-3, MPEG Stereo, MP3, etc.
AAC, MPEG Stereo, MP3, etc.
AC-3, MPEG Stereo, MP3, etc.
AC-3, COS, MPEG 5.1, MP3, etc.
AC-3, DTS, COS, MPEG 5.1, MP3, etc.
AC-3, AAC, DTS, MPEG 5.1, MP3, etc.
Car Audio Code
MPEG 5.1, MPEG Stereo, MP3, C.O.S., etc
DPP,
THX Surround EX, THX Ultra2 Cinema
Features are a super-set of the CS4923/4/5/6/7/8/9
鈥?8 channel output, including dual zone output capability
鈥?Dynamic Channel Remapability
鈥?Supports up to 192 kHz Fs @ 24-bit throughput
鈥?Increased memory/MIPs
鈥?SRAM Interface for increased delay and buffer capability
鈥?Dual-Precision Bass Manager
鈥?Enhance your system functionality via firmware
upgrades through the Crystal Ware
TM
Software
Licensing Program
RESET
CMPDAT,
SDATAN2
CMPCLK,
SCLKN2
CMPREQ,
LRCLKN2
SCLKN1,
STCCLK2
LRCLKN1
SDATAN1
CLKIN
CLKSEL
RD,
WR,
SCDIO,
DATA7:0,
R/W,
DS,
SCDOUT,
EMOE, EMWR,
PSEL,
ABOOT,
EMAD7:0,
A0,
A1,
GPIO7:0
CS
GPIO11 GPIO10 GPIO9 SCCLK SCDIN
INTREQ
EXTMEM,
GPIO8
DD
DC
Compressed
Data Input
Interface
Parallel or Serial Host Interface
Framer
Shifter
Input
Buffer
Controller
24-Bit
DSP Processing
RAM
RAM
Program Data
Memory Memory
ROM
ROM
Program Data
Memory Memory
STC
MCLK
SCLK
Output
Formatter
LRCLK
AUDATA[2.0]
Digital
Audio
Input
Interface
PLL
Clock Manager
FILT2 FILT1
RAM Input
Buffer
RAM
Output
Buffer
XMT958/AUDATA3
VA AGND
DGND[3:1]
VD[3:1]
Preliminary Product Information
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.
Copyright
铮?/div>
Cirrus Logic, Inc. 2002
(All Rights Reserved)
MAR 鈥?2
DS339PP4
1

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