CS4341A

2

DS582PP1

TABLE OF CONTENTS

1. PIN DESCRIPTION ................................................................................................................... 5

2. TYPICAL CONNECTION DIAGRAM

...................................................................................... 6

3. APPLICATIONS ........................................................................................................................ 7

3.1 Upgrading from the CS4341 to the CS4341A .................................................................... 7

3.2 Sample Rate Range/Operational Mode Detect .................................................................. 7

3.2.1 Auto-Detect Enabled ............................................................................................. 7

3.2.2 Auto-Detect Disabled ............................................................................................ 7

3.3 System Clocking ................................................................................................................ 8

3.4 Digital Interface Format ...................................................................................................... 8

3.5 De-Emphasis Control ......................................................................................................... 9

3.6 Recommended Power-up Sequence ................................................................................. 9

3.7 Popguard® Transient Control ........................................................................................... 10

3.7.1 Power-up ............................................................................................................. 10

3.7.2 Power-down ........................................................................................................ 10

3.7.3 Discharge Time ................................................................................................... 10

3.8 Grounding and Power Supply Arrangements .................................................................. 10

3.9 Control Port Interface ....................................................................................................... 11

3.9.1 MAP Auto Increment ........................................................................................... 11

3.9.2 I2C Mode ............................................................................................................. 11

3.9.2a I2C Write .............................................................................................. 11

3.9.2b I2C Read .............................................................................................. 12

3.9.3 SPI Mode ............................................................................................................ 13

3.9.3a SPI Write .............................................................................................. 13

3.10 Memory Address Pointer (MAP)

.............................................................................. 14

3.10.1 INCR (Auto Map Increment Enable) ............................................................................ 14

3.10.2 MAP (Memory Address Pointer) .................................................................................. 14

4. REGISTER QUICK REFERENCE .......................................................................................... 14

Contacting Cirrus Logic Support

F or a co m p le te listing of D ire ct Sa les, D is trib utor, an d S a le s R ep res en ta tiv e co nta cts, visit the C irru s Lo gic w e b site at:

http://w ww.cirrus.com /corporate/contacts/sales.cfm

IMPORTANT NOTICE

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

mation describes products that are in development and subject to development changes. Cirrus Logic, Inc. and its subsidiaries (" Cirrus") believe that the infor-

mation contained in this docum ent is accurate and reliable. However, the inform ation is subject to change without notice and is provided "AS IS" without warranty

of any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify, beforeplacing orders, that information being

relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those

pertaining to warranty, patent infringem ent, and limitation of liability. No responsibility is assumed by Cirrus for the use ofthis information, including use of this

information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties.This document is the property of Cirrus

and by furnishing this information, Cirrus grants no license, express or im plied under any patents, mask work rights, copyrights , trademarks, trade secrets or

other intellectual property rights. Cirrus owns the copyrights of the information contained herein and gives consent for copies to be made of the information only

for use within your organization with respect to Cirrus integrated circuits or other parts of Cirrus. This consent does not extend to other copying such as copying

for general distribution, advertising or promotional purposes, or for creating any work for resale.

An export per mit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this ma-

terial and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. An export license and/or quota needs to be

obtained from the competent authorities of the Chinese Government if any of the products or technologies described in this material is subject to the PRC Foreign

Trade Law and is to be exported or taken out of the PRC.

CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS M AY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE

PROPERTY OR ENVIRONMENTAL DAM AGE ("CRITICAL APPLICATIONS"). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANT-

ED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS

IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK.

Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are tradem arks of Cirrus Logic, Inc. All other brand and product names in this document may be trade-

marks or service marks of their respective owners.