CDB49300 Cirrus Logic Inc, CDB49300 Datasheet
CDB49300
Manufacturer Part Number
CDB49300
Description
Audio Modules & Development Tools Eval Bd Mult-Std Aud Decdr. DSP
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS4924.pdf
(56 pages)
Specifications of CDB49300
Description/function
Audio A/D
Operating Supply Voltage
5 V
Product
Audio Modules
For Use With/related Products
CS49300
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Preliminary Product Information
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
CS4923/4/5/6/7/8 features
— Optional Virtual 3D Output
— Simulated Surround and Programmable Effects
— Real Time Autodetection of Dolby Digital
— Flexible 6-channel master or slave output
CS4923/4/5/6/7/8/9 features
— IEC60958/61937 transmitter for compressed-
— Dedicated 8 kilobyte input buffer
— DAC clock via analog phase-locked loop
— Dedicated byte wide or serial host interface
— Multiple compressed data input modes
— PES layer decode for A/V synchronization
— 96-kHz-capable PCM I/O, master or slave
— Optional external memory and auto-boot
— +3.3-V CMOS low-power, 44-pin package
CS4923/4/5/6 features
— Capable of Dolby Digital
— Dolby bass manager and crossover filters
— Dolby Surround Pro Logic
CS4925/7: MPEG-2 Multi-Channel Decoder
CS4926/8: DTS Multi-Channel Decoder
CS4929: AAC 2-Channel (Low Complexity)
and MPEG-2 Stereo Decoder
DTS
data or linear-PCM output
®
, MPEG Multi-Channel and PCM
Multi-Channel Digital Audio Decoders
CMPREQ,
LRCLKN2
STCCLK2
LRCLKN1
CMPCLK,
SDATAN1
SDATAN2
CMPDAT,
SCLKN1,
SCLKN2
CLKSEL
CLKIN
FILT2
®
Compressed
Data Input
RESET
Interface
Interface
Digital
Audio
Clock Manager
Group A Performance
Input
FILT1
®
PLL
Decoding
EMAD7:0,
VA
DATA7:0,
GPIO7:0
RAM Input
AGND
Controller
Framer
Shifter
Buffer
Input
Buffer
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
CS
GPIO11
EMOE,
R/W,
DGND[3:1]
RD,
®
Program
Program
Memory
Memory
DSP Processing
ROM
RAM
,
GPIO10
Parallel or Serial Host Interface
EMWR,
WR,
24-Bit
DS,
STC
Copyright
Memory
Memory
VD[3:1]
ROM
RAM
Data
Data
SCDOUT,
SCDIO,
Description
The CS4923/4/5/6/7/8 is a family of multi-channel digital
audio decoders, with the exception of the CS4929 as the
only stereo digital audio decoder. The CS4923/4/5/6 are
designed for Dolby Digital and MPEG-2 Stereo decoding. In
addition the CS4925 adds MPEG-2 multi-channel decoding
capability and the CS4926 provides DTS decoding. The
CS4927 is an MPEG-2 multi-channel decoder and the
CS4928 is a DTS multi-channel decoder. The CS4929 is an
AAC 2-channel and MPEG-2 stereo decoder. Each one of
the CS4923/4/5/6/7/8/9 provides a complete and flexible
solution for multi-channel (or stereo in the case of the
CS4929) audio decoding in home A/V receiver/amplifiers,
DVD movie players, out-board decoders, laser-disc players,
HDTV sets, head-end decoders, set-top boxes, and similar
products.
Cirrus Logic’s Crystal Audio Division provides a complete set
of audio decoder and auxiliary audio DSP application
programs for various applications. For all complementary
analog and digital audio I/O, Crystal Audio also provides a
complete set of high-quality audio peripherals including:
multimedia CODECs, stereo A/D and D/A converters and
IEC60958 interfaces. Of special note, the CS4226 is a
complementary CODEC providing a digital receiver, stereo
A/D converters, and six 20-bit DACs in one package.
ORDERING INFORMATION
GPIO9
PSEL,
(All Rights Reserved)
CS4923xx-CL 44-pin PLCC (xx = ROM revision)
CRD4923
CDB4923
SCCLK
A0,
Output
Buffer
Cirrus Logic, Inc. 1999
RAM
SCDIN
A1,
CS4923/4/5/6/7/8/9
INTREQ
ABOOT,
Formatter
Output
Reference design with CS4226
Evaluation board
EXTMEM,
GPIO8
DD
DC
MCLK
SCLK
LRCLK
AUDATA[2.0]
XMT958
DS262F2
AUG ‘99
1
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