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CS4953XX Datasheet(PDF) 1 Page - Cirrus Logic

Part No. CS4953XX
Description  32-bit Audio Decoder DSP Family with Dual DSP Engine Technology
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS4953XX Datasheet(HTML) 1 Page - Cirrus Logic

 
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®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
FrameworkApplications Library in ROM
— Dolby Digital® EX, Dolby® Pro Logic® IIx, Dolby Headphone®,
Dolby® Virtual Speaker®
— DTS-ES 96/24, DTS-ESDiscrete 6.1, DTS-ESMatrix 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®
FrameworkApplications 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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