CS4953XX Datasheet, PDF (1/38 Pages) Cirrus Logic – 32-bit Audio Decoder DSP Family with Dual DSP Engine Technology

CS4953xx Data Sheet
FEATURES
32-bit Audio Decoder DSP Family
‰ Multi-standard 32-bit Audio Decoding plus Post
with Dual DSP Engine Technology
Processing
‰ Framework^™ Applications Library in ROM
The CS4953xx DSP family are the enhanced versions of the
CS495xx DSP family with higher overall performance and
— Dolby Digital^® EX, Dolby^® Pro Logic^® IIx, Dolby Headphone^®,
lower system cost. The CS4953xx includes all mainstream
Dolby^® Virtual Speaker^®
— DTS-ES 96/24^™, DTS-ES^™ Discrete 6.1, DTS-ES^™ Matrix 6.1,
DTS:Neo6^™
— AAC™ Multichannel 5.1
— SRS^® CS2^® and TSXT^®
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
— 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
Y — Microsoft^® HDCD^®
‰ Framework^™ Applications for Download
— Thomson MP3 Surround
R _{— Internal DSD-to-PCM Conversion}
‰ Up to 12 Channels of 32-bit Serial Audio Input
‰ 6 Channel DSD Input
A ‰ 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)
IN ^{‰ 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
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
IM _Serial
Control 1
L _{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
UART
GPIO
32-bit
DSP A
D
M
A
32-bit
DSP B
PXY
PXY
Debug
STC
TMR1
TMR2
Ext. Memory Controller
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 2008 Cirrus Logic, Inc.
JUNE ’08
DS705PP2