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Cirrus-logic CS48DV2B User Manual Page 1

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Copyright 2009 Cirrus Logic FEB ’09
CONFIDENTIAL DS875F2
http://www.cirrus.com
CS48DV2B Data Sheet
CONFIDENTI
A
L
DRA
FT
DELPHI
FEATURES
World’s most cost-effective 32-bit DSP featuring Dolby
®
Volume and Audistry
®
by Dolby
— Supports native processing at input Fs up to 48kHz
— Single download image enables support for 32 KHz,
44.1 kHz, and 48 kHz audio input
CS48DV2B supports up to 2.0 channels of audio input
and up to 2.1 channels of output
Enables concurrent processing features beyond Dolby
Volume including Tone Control, Multiband Parametric EQ,
Bass Management, Delays.
Configurable Serial Audio Inputs/Outputs
— Configurable for all input/output digital audio types
(I
2
S/LJ/RJ)
— 32-bit data path delivers uncompromised dynamic
range
— 192 kHz capable integrated S/PDIF transmitter
— DAO can operate in master or slave mode (SCLK &
LRCLK)
Integrated Clock Manager/PLL
— Capable of operating from a wide variety of external
crystals or external oscillators
Slave Host Boot Capability via Serial Interface
— SPI
™
interface capable of running up to 25 MHz
during run time
1.8V Core and 3.3V I/O that is tolerant to 5V input
Low-power Mode enabled
—Energy Star
®
Design Compliance Capability via low-
power mode, 268 µW in Standby mode
32-bit
DSP
D
M
A
P X Y
Serial
Control 1
Up to 2.1 Ch
Audio Out
GPIO Debug
Watchdog
TMR1
TMR2
PLL
S/PDIF
2.0 Ch.
Audio In
The new CS48DV2B supports a host of signal processing
applications concurrently, including the mass production-ready
Dolby Volume solution. See Section 3. for details about
firmware concurrency on the CS48DV2B. The target
applications for the CS48DV2B DSP are:
— Digital Televisions
— Soundbars / DTVs with Integrated Soundbars
—PMD/iPod
®
Docking Stations
— Automotive Head Units
— Automotive Outboard Amplifiers
— Blu-ray Disc
®
& DVD Receivers / HTiBs
— PC Speakers
All of these applications and many more that use volume
control and are subject to playback from sources that do not
have consistent volume levels will benefit from the CS48DV2B
Dolby Volume solution.
Ordering Information:
See page 21 for ordering information.
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Summary of Contents

Page 1 - CS48DV2B Data Sheet

Copyright 2009 Cirrus Logic FEB ’09CONFIDENTIAL DS875F2http://www.cirrus.comCS48DV2B Data SheetCONFIDENTIAL DRAFTDELPHIFEATURES World’s most cost-eff

Page 2

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby10 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 3 - Table of Contents

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 11CONFIDENTIALCONFIDENTIAL DRA

Page 4 - List of Tables

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby12 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 5 - 2. Overview

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 13CONFIDENTIALCONFIDENTIAL DRA

Page 6 - 3. Code Overlays

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby14 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 7 - 4.1 DSP Core

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 15CONFIDENTIALCONFIDENTIAL DRA

Page 8 - 4.2 On-chip DSP Peripherals

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby16 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 9 - 4.3 DSP I/O Description

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 17CONFIDENTIALCONFIDENTIAL DRA

Page 10 - 5.1 Absolute Maximum Ratings

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby18 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 11 - CONFIDENTIAL

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 19CONFIDENTIALCONFIDENTIAL DRA

Page 12

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby2 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRAF

Page 13

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby20 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 14

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 21CONFIDENTIALCONFIDENTIAL DRA

Page 15

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby22 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 16 - C Slave Mode

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 23CONFIDENTIALCONFIDENTIAL DRA

Page 17 - C Master Mode

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby24 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 18 - AI_DATAn

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 25CONFIDENTIALCONFIDENTIAL DRA

Page 19

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby26 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRA

Page 20

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 3CONFIDENTIALCONFIDENTIAL DRAF

Page 21 - 6. Ordering Information

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby4 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRAF

Page 22

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 5CONFIDENTIALCONFIDENTIAL DRAF

Page 23 - CS48DV2B

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby6 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRAF

Page 24 - 48LDLQFP(7x7x1.4mmbody)

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 7CONFIDENTIALCONFIDENTIAL DRAF

Page 25 - 9. Revision History

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby8 Copyright 2009 Cirrus Logic DS875F2CONFIDENTIALCONFIDENTIAL DRAF

Page 26

CS48DV2B Data Sheet32-bit Audio DSP for Dedicated Dolby Volume and Audistry by DolbyDS875F2 Copyright 2009 Cirrus Logic 9CONFIDENTIALCONFIDENTIAL DRAF

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