CS49400 datasheet(2/100 Pages) CIRRUS

2 / 100 page

TABLE OF CONTENTS

1.0 CHARACTERISTICS AND SPECIFICATIONS ...................................................................... 8

1.1 Absolute Maximum Ratings ............................................................................................... 8

1.2 Recommended Operating Conditions ................................................................................ 8

1.3 Digital D.C. Characteristics for VDD Level I/O ................................................................... 8

1.4 Digital D.C. Characteristics for VDDSD Level I/O .............................................................. 9

1.5 Power Supply Characteristics ............................................................................................ 9

1.6 Switching Characteristics— RESET .................................................................................. 9

1.7 Switching Characteristics — CLKIN ................................................................................. 10

1.8 Switching Characteristics — Intel® Host Slave Mode (DSPAB) ...................................... 11

1.9 Switching Characteristics — Intel® Host Slave Mode (DSPC) ........................................ 13

1.10 Switching Characteristics — Motorola® Host Slave Mode (DSPAB) ............................ 15

1.11 Switching Characteristics — Motorola® Host Slave Mode (DSPC) .............................. 17

1.12 Switching Characteristics — SPI Control Port Slave Mode (DSPAB) ............................ 19

1.13 Switching Characteristics — SPI Control Port Slave Mode (DSPC) .............................. 21

1.14 Switching Characteristics — Digital Audio Input (DSPAB) ............................................ 23

1.15 Switching Characteristics — Serial Audio Input (DSPC) ............................................... 24

1.16 Switching Characteristics — CMPDAT, CMPCLK (DSPAB) ......................................... 25

1.17 Switching Characteristics — Parallel Data Input (DSPAB) ............................................ 26

1.18 Switching Characteristics — Digital Audio Output ......................................................... 27

1.19 Switching Characteristics — SRAM/FLASH Interface ................................................... 29

1.20 Switching Characteristics — SDRAM Interface ............................................................. 31

2. OVERVIEW ............................................................................................................................. 35

Contacting Cirrus Logic Support

For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:

http://www.cirrus.com/corporate/contacts/sales.cfm

Dolby Digital, Dolby Digital EX, AC-3, Dolby Pro Logic, Dolby Pro Logic II, Dolby Digital EX Pro Logic II, Dolby Surround, Dolby Surround Pro Logic

II, Surround EX, Virtual Dolby Digital and the “AAC” logo are trademarks and the “Dolby” and the double-”D” symbol are registered trademarks of

Dolby Laboratories Licensing Corporation. DTS, DTS Digital Surround, DTS-ES Extended Surround, DTS 96/24, DTS-ES 96/24, DTS Neo:6, and

DTS Virtual 5.1 are trademarks and the “DTS”, “DTS Digital Surround”, “DTS-ES”, “DTS 96/24”, “DTS-ES 96/24”, “DTS Neo:6”, “DTS Virtual 5.1” logos

are registered trademarks of the Digital Theater Systems Corporation. The “MPEG Logo” is a registered trademark of Philips Electronics N.V. THX

Ultra2 Cinema, Timbre-Matching, Re-EQ, Adapative Decorrelation and THX are trademarks or registered trademarks of Lucasfilm, Ltd. Surround EX

is a jointly developed technology of THX and Dolby Labs, Inc. AAC (Advanced Audio Coding) is an “MPEG-2-standard-based” digital audio

compression algorithm (offering up 5.1 discrete decoded channels for this implementation) collaboratively developed by AT&T, the Fraunhofer

Institute, Dolby Laboratories, and the Sony Corporation. In regards to the MP3 capable functionality of the CS494XX Family DSP (via downloading

of mp3_ab_494xxx_vv.uld application code) the following statements are applicable: “Supply of this product conveys a license for personal, private

and non-commercial use. MPEG Layer-3 audio decoding technology licensed from Fraunhofer IIS and THOMSON Multimedia.” VMAx is a registered

trademark of Harman International. The LOGIC7 logo and LOGIC7 are registered trademarks of Lexicon. SRS CircleSurround, SRS Circle Suround

II, SRS TruSurround, and SRS TruSurround XT are trademarks of SRS Labs, Inc. The HDCD logo, HDCD, High Definition Compatible Digital and

Pacific Microsonics are either registered trademarks or trademarks of Pacific Microsonics, Inc. in the United States and/or other countries. HDCD

technology provided under license from Pacific Microsonics, Inc. This product’s software is covered by one or more of the following in the United

States: 5,479,168; 5,638,074; 5,640,161; 5,872,531; 5,808,574; 5,838,274; 5,854,600; 5,864,311; and in Australia: 669114; with other patents

pending. Intel is a registered trademark of Intel Corporation. Motorola is a registered trademark of Motorola, Inc. I2C is a registered trademark of Philips

Semiconductor. Purchase of I2C Components of Cirrus Logic, Inc., or one of its sublicensed Associated Companies conveys a license under the

Philips I2C Patent Rights to use those components in a standard I2Csystem. “Crystal Ware”, “Cirrus Framework”, “Cirrus Extra Surround”, “Cirrus

Triple Crossover Bass Management”, “Cirrus Quadruple Crossover Bass Management” and “Cirrus Original Surround 6.1” are trademarks and “Cirrus

Logic” is a registered trademarks of Cirrus Logic, Inc. All other names are trademarks, registered trademarks, or service marks of their respective

companies.

Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance

product information describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to

ensure that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is

provided “AS IS” without warranty of any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of this information,

nor for infringements of patents or other rights of third parties. This document is the property of Cirrus Logic, Inc. and implies no license under patents,

copyrights, trademarks, or trade secrets. No part of this publication may be copied, reproduced, stored in a retrieval system, or transmitted, in any

form or by any means (electronic, mechanical, photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus

Logic website or disk may be printed for use by the user. However, no part of the printout or electronic files may be copied, reproduced, stored in a

retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photographic, or otherwise) without the prior written consentof

Cirrus Logic, Inc.Furthermore, no part of this publication may be used as a basis for manufacture or sale of any items without the prior written consent

of Cirrus Logic, Inc. The names of products of Cirrus Logic, Inc. or other vendors and suppliers appearing in this document may be trademarks or

service marks of their respective owners which may be registered in some jurisdictions. A list of Cirrus Logic, Inc. trademarks and service marks can

be found at http://www.cirrus.com.

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