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CS4953XX Datasheet(PDF) 1 Page - Cirrus Logic

Part No. CS4953XX
Description  32-bit Audio Decoder DSP Family
Download  34 Pages
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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,
SEP ’08
DS705PP3
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.
http://www.cirrus.com
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-ES
Matrix 6.1, DTS:Neo6
— AACMultichannel 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
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
Large On-chip X, Y, and Program RAM & ROM
SDRAM and Serial Flash Memory Support
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 28 for ordering information.


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