Cirrus-logic CS49DV8C Manuel d'utilisateur

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Copyright 2008 Cirrus Logic (All Rights Reserved) SEPT ‘08
DS868PP2
http://www.cirrus.com
CS49DV8C Data Sheet
32-bit Dual Audio DSP Engine
featuring Multichannel Dolby
®
Volume
FEATURES
32-bit Post-Processor Audio DSP supports Multichannel
Dolby
®
Volume
Programmable through DSP Composer
CS49DV8, supports up to 7.1 Channels of Dolby Volume
processing at 48 kHz, 44.1 kHz or 32 kHz.
Input Configurable for all input/output digital audio types
(I
2
S, LJ/RJ, and TDM)
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
Input Fs Auto Detection, Reporting and Handling
Sample rate conversion.
Master & Slave Host Boot Capability via Serial Interface
SPI interface capable of running up to 25 MHz during run
time
1.8V Core and a 3.3V I/O that is tolerant to 5V input
The new CS49DV8C is the fastest time-to-market, mass-
production ready Multichannel Dolby Volume solution available.
The target applications for the CS49DV8C DSP are:
Soundbars
DTVs with Integrated Soundbars
HDTV Stands/Furniture with Integrated Soundbars
Automotive Head Units
Automotive Outboard Amplifiers
Blu-ray Disc
®
& DVD Receivers / HTiBs
All of these applications and many more that use volume control
and are subject to playback from sources that do not have consis-
tent volume levels will benefit from the CS49DV8C Dolby Volume
solution.
Ordering Information
See page 27 for ordering information.
32-bit
DSP A
D
M
A
32-bit
DSP B
Ext. Memory Controller
P
S/PDIF
X Y P X Y
Serial
Control 1
8 Ch PCM
Audio Out
Serial
Control 2
GPIOUART Debug
STC
TMR1
TMR2
PLL
S/PDIF
8 Ch. Audio In
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
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Résumé du contenu

Page 1 - CS49DV8C Data Sheet

Copyright 2008 Cirrus Logic (All Rights Reserved) SEPT ‘08DS868PP2http://www.cirrus.comCS49DV8C Data Sheet32-bit Dual Audio DSP Enginefeaturing Multic

Page 2

10 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family5. Characteristics and SpecificationsNote: All data sheet minim

Page 3 - Table of Contents

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 11CS49DV8C Data Sheet32-bit Audio DSP Family5.4 Power Supply Characteristics(Measurements performed under

Page 4 - List of Tables

12 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family5.6 Switching Characteristics— RESETFigure 1. RESET TimingPara

Page 5 - 2. Overview

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 13CS49DV8C Data Sheet32-bit Audio DSP Family5.7 Switching Characteristics — XTIFigure 2. XTI Timing5.8 Sw

Page 6 - 300 MIPS

14 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family5.9 Switching Characteristics — Serial Control Port - SPI Slav

Page 7 - 3. Firmware Supported

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 15CS49DV8C Data Sheet32-bit Audio DSP Family5.10 Switching Characteristics — Serial Control Port - SPI Mas

Page 8 - 4.2 On-chip DSP Peripherals

16 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family5.11 Switching Characteristics — Serial Control Port - I2C Sla

Page 9 - 4.3 DSP I/O Description

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 17CS49DV8C Data Sheet32-bit Audio DSP Family5.12 Switching Characteristics — Serial Control Port - I2C Mas

Page 10 - 5.1 Absolute Maximum Ratings

18 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family5.13 Switching Characteristics — UARTFigure 7. UART TimingPara

Page 11

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 19CS49DV8C Data Sheet32-bit Audio DSP Family5.14 Switching Characteristics — Digital Audio Slave Input Por

Page 12 - 32-bit Audio DSP Family

2 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP FamilyContacting Cirrus Logic SupportFor all product questions and inq

Page 13

20 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family5.15 Switching Characteristics — Digital Audio Output Port Fig

Page 14

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 21CS49DV8C Data Sheet32-bit Audio DSP FamilyFigure 10. Digital Audio Output Timing, Slave Mode (Relationshi

Page 15

22 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family5.16 Switching Characteristics — SDRAM InterfaceRefer to Figur

Page 16 - C Slave Mode

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 23CS49DV8C Data Sheet32-bit Audio DSP FamilyFigure 11. External Memory Interface - SDRAM Burst Read CycleSD

Page 17 - C Master Mode

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 24CS49DV8C Data Sheet32-bit Audio DSP FamilyFigure 12. External Memory Interface - SDRAM Burst Write CycleS

Page 18

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 25CS49DV8C Data Sheet32-bit Audio DSP FamilyFigure 13. External Memory Interface - SDRAM Auto Refresh Cycle

Page 19 - AI_DATAn

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 26CS49DV8C Data Sheet32-bit Audio DSP FamilyFigure 14. External Memory Interface - SDRAM Load Mode Register

Page 20

27 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family6. Ordering InformationThe CS49DV8C family part number is descr

Page 21

28 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family8. Device Pin-Out Diagram8.1 128-Pin LQFP Pin-Out DiagramFigur

Page 22

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 29CS49DV8C Data Sheet32-bit Audio DSP Family9. Package Mechanical Drawings9.1 128-Pin LQFP PackageFigure 1

Page 23

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 3CS49DV8C Data Sheet32-bit Audio DSP FamilyTable of Contents1. Documentation Strategy ...

Page 24

30 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Family10. Revision HistoryRevision Date ChangesPP1 September 2, 2008

Page 25

4 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP FamilyList of FiguresFigure 1. RESET Timing . . . . . . . . . . . . .

Page 26

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 5CS49DV8C Data Sheet32-bit Audio DSP Family1. Documentation StrategyThe CS49DV8C data sheet describes the C

Page 27 - 6. Ordering Information

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 6CS49DV8C Data Sheet32-bit Audio DSP FamilyTable 2. Device and Firmware Selection GuideDevicePre-ProcessDec

Page 28 - 8. Device Pin-Out Diagram

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 7CS49DV8C Data Sheet32-bit Audio DSP Family2.1 LicensingLicenses are required for Dolby Volume and for all

Page 29 - 9.1 128-Pin LQFP Package

8 Copyright 2008 Cirrus Logic, Inc. DS868PP2CS49DV8C Data Sheet32-bit Audio DSP Familymemory; and the peripheral bus. Modulo and linear addressing mod

Page 30 - 10. Revision History

DS868PP2 Copyright 2008 Cirrus Logic, Inc. 9CS49DV8C Data Sheet32-bit Audio DSP Family4.3 DSP I/O Description4.3.1 Multiplexed PinsMany of the CS49D

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