CRD42528 Datasheet: Reference Design





CRD42528 Reference Design Datasheet

Part Number CRD42528
Description Reference Design
Manufacture Cirrus Logic
Total Page 30 Pages
PDF Download Download CRD42528 Datasheet PDF

Features: www.DataSheet4U.com CRD42528 Reference Design for the CS49300 and CS42528 Fea tures Supports 4 digital S/PDIF (IEC609 58/IEC61937) inputs 8 Discrete analog i nputs using the CS42528 + 3 external CS 5351 ADCs for 8 analog channels of inpu t at 48 kHz and 96 kHz 2 Channel upsamp ling supported 8 Discrete analog output s from the CS42528 2 Digital S/PDIF (IE C60958/IEC61937) outputs using the CS42 528 Mux and XMT958 transmitter on the C S49300 On board SRAM for AAC 5.1 discre te channel decoding In system programma ble Flash, capable of holding 16 DSP pr ograms Description The CRD42528 is a r eference design for the CS49300 DSP fam ily and the CS42528 CODEC. It supports up to 8 channels of analog input at 48 and 96 kHz, or 2 channels of analog inp ut at 192 kHz. One of four digital S/PD IF inputs may be selected. Additionally , up to 2 channels of digital S/PDIF ou tput and 8 channels of analog output at up to 192 kHz are supported. The on bo ard SRAM is included to allow for AAC 5.1 discrete channel deco.

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CRD42528
Reference Design for the CS49300 and CS42528
Features
Supports 4 digital S/PDIF
(IEC60958/IEC61937) inputs
8 Discrete analog inputs using the CS42528
+ 3 external CS5351 ADCs for 8 analog
channels of input at 48 kHz and 96 kHz
2 Channel upsampling supported
8 Discrete analog outputs from the CS42528
2 Digital S/PDIF (IEC60958/IEC61937)
outputs using the CS42528 Mux and
XMT958 transmitter on the CS49300
On board SRAM for AAC 5.1 discrete
channel decoding
In system programmable Flash, capable of
holding 16 DSP programs
Description
The CRD42528 is a reference design for the CS49300
DSP family and the CS42528 CODEC. It supports up to
8 channels of analog input at 48 and 96 kHz, or
2 channels of analog input at 192 kHz. One of four
digital S/PDIF inputs may be selected. Additionally, up
to 2 channels of digital S/PDIF output and 8 channels of
analog output at up to 192 kHz are supported. The on
board SRAM is included to allow for AAC 5.1 discrete
channel decoding, and on-board flash memory is
included to allow in-system programming of up to
16 DSP images. The DSP supports the following
algorithms, including (but not limited to) AAC, Dolby
Digital (AC-3), Dolby Digital EX, DTS, DTS-ES, DTS
Neo:6, Cirrus Original Surround (including COS 6.1),
SRS CircleSurround, SRS TruSurround, Pro Logic II,
MPEG Multichannel (including EX), and HDCD.
The control interface to the CRD42528 is the UDSP
System Platform. All control and data I/O is connected
to headers, which allows the CRD42528 to be used
easily in a end system or as a reference design. A larger
block diagram is shown on the next page.
ORDERING INFORMATION
CRD42528
Reference Design
4x
SPDIF
L
R
8x
ANALOG
Ls
Rs
C
Sub
CS5351
SDOUT
AIN
CS5351
SDOUT
AIN
SBL
SBR
RXP0
RXP1
RXP2
RXP3
AIN
SAI
Ext ADC
In
CS5351
SDOUT
AIN
CS42528
CS493XX-IBA
(or CS492XX)
CDI
AUDATA0
AUDATA1
AUDATA2
AUDATA3
DAI
EMAD
External
SRAM/Flash
AOUT1
AOUT2
AOUT3
AOUT4
CX_SDIN1
CX_SDIN2
AOUT5
AOUT6
CX_SDIN3
CX_SDIN4
AOUT7
AOUT8
L
R
Ls
Rs
C
Sub
SBL / Lt
SBR / Rt
IEC60958
Preliminary Product Information
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
MAY’ 03
DS586RD2
1

                    
                    






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