CS49300 Family DSP
Multi-Standard Audio Decoder Family
Features
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.
z 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
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.
DTS Digital Surround™, DTS-ES Extended Surround™
z CS4931X: Broadcast Sub-family
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—
—
—
—
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
z CS4932X: AVR Sub-family
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—
—
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
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.
MP3 (MPEG-1, Layer 3)
z CS49330: General Purpose Audio DSP
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—
THX® Surround EX™ and THX® Ultra2 Cinema
General Purpose AVR and Broadcast Audio Decoder
(MPEG Multichannel, MPEG Stereo, MP3, C.O.S.)
Car Audio
Ordering Information: See page 87
APPLICATION
DVD Audio
Broadcast
Broadcast
Broadcast
AVR
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.
CS49300
CS49310
CS49311
CS49312
CS49325
CS49326
CS49329
CS49330
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z Features are a super-set of the CS4923/4/5/6/7/8/9
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8 channel output, including dual zone output capability
Dynamic Channel Remapability
AC-3, MPEG Stereo, MP3, etc.
Supports up to 192 kHz Fs @ 24-bit throughput
Increased memory/MIPs
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
AVR
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
AVR
Car Audio DSP
CS49330 General Purpose
CS49330 Post-Processor
MPEG 5.1, MPEG Stereo, MP3, C.O.S., etc
DPP, THX Surround EX, THX Ultra2 Cinema
RD
R/
EMOE
,
W,
WR
DS
EMWR
,
,
SCDIO,
SCDOUT,
PSEL,
DATA7:0,
EMAD7:0,
GPIO7:0
,
,
A0,
A1,
ABOOT
,
EXTMEM
,
CS
RESET
GPIO11 GPIO10 GPIO9 SCCLK SCDIN INTREQ
GPIO8
DD
DC
CMPDAT,
SDATAN2
Parallel or Serial Host Interface
Compressed
Data Input
Interface
CMPCLK,
SCLKN2
Framer
Shifter
24-Bit
DSP Processing
MCLK
SCLK
CMPREQ,
LRCLKN2
Input
Buffer
RAM
RAM
SCLKN1,
STCCLK2
Program Data
Memory Memory
Controller
Output
Formatter
LRCLK
Digital
Audio
Input
RAM
Output
Buffer
LRCLKN1
SDATAN1
AUDATA[2.0]
ROM
Program
Memory
ROM
Data
Memory
RAM Input
Buffer
Interface
XMT958/AUDATA3
CLKIN
PLL
Clock Manager
STC
CLKSEL
FILT2 FILT1
VA AGND
DGND[3:1] VD[3:1]
Copyright © Cirrus Logic, Inc. 2006
APR ‘06
DS339F7
http://www.cirrus.com
(All Rights Reserved)
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