CS4953XX_0911 Datasheet, PDF (1/36 Pages) Cirrus Logic – Audio Decoder DSP Family with Dual 32-bit DSP Engine Technology

CS4953xx Data Sheet
FEATURES
Audio Decoder DSP Family with
‰ Multi-standard 32-bit Audio Decoding plus Post
Dual 32-bit DSP Engine Technology
Processing
‰ Framework^™ Third-Party Applications Library
— Dolby Digital^® EX, Dolby^® Pro Logic^® IIz, Dolby
‰ Large On-chip X, Y, and Program RAM & ROM
‰ SDRAM and Serial Flash Memory Support
Headphone^® 2, Dolby^® Virtual Speaker^® 2
The CS4953xx DSP family are the enhanced versions of the
— DTS-ES 96/24^™, DTS-ES^™ Discrete 6.1, DTS-ES^™
CS495xx DSP family with higher overall performance and
Matrix 6.1, DTS Neo:6^®
— DSD^® to Linear PCM Decimation Filtering
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
— MPEG-2 AAC^™ LC 5.1
tasks of Dolby Digital^® Surround EX^®, AAC multi-channel,
— SRS^® CS2^®, SRS TruVolume^™,
SRS TruSurround HD4^™
— THX^® Ultra2^™, THX^® Re-EQ^™
— Audyssey 2EQ^™
Y ‰ Framework™ Cirrus Logic Applications Library
— 2:1/4:1 Decimator, Cirrus Intelligent Room Calibration
2 (IRC2)
R ^{— Cirrus Original Multi-Channel Surround 2 (COMS2)}
— Crossbar Mixer, Signal Generator
— Advanced Post-Processor including: 7.1 Bass
Manager, Tone Control, 11-Band Parametric EQ,
A _{Delay, 1:2/1:4 Upsampler}
‰ Up to 12 Channels of 32-bit Serial Audio Input
‰ 16 Ch x 32-bit PCM Out with either two or one 192 kHz
IN ^{S/PDIF Tx}
‰ Two SPI^™/I²C^™ Ports and one Parallel Port*
‰ Customer Software Security Keys
* 144-Pin Package Only
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.
IM _Serial
L^{Control 1}
12 Ch. Audio In /
6 Ch. SACD In
E _{S/PDIF S/PDIF}
R_{16 Ch PCM}
P^{Audio Out}
Serial
Control 2
Parallel
Control
GPIO
Debug
Coyote 32-bit
DSP A
D
M
A
Coyote 32-bit
DSP B
PXY
PXY
Ext. Memory Controller
STC
TMR1
TMR2
PLL
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
Copyright 2009 Cirrus Logic,
NOV ’09
DS705PP6