CDB4228A Cirrus Logic Inc, CDB4228A Datasheet - Page 2

• Manufacturer Part Number: CDB4228A
• Description: Development Kit
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4228A

• Silicon Manufacturer: Cirrus Logic
• Application Sub Type: Codec
• Kit Application Type: Audio / Video / TV
• Silicon Core Number: CS4228A
• Features: PC Software Provides Easy To Use Board & Device Control
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TABLE OF CONTENTS
LIST OF FIGURES
2
Contacting Cirrus Logic Support
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http://www.cirrus.com/corporate/contacts/sales/cfm
Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product infor-
mation 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 consent of 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. trade-
marks and service marks can be found at http://www.cirrus.com.
1. CDB4228A SYSTEM OVERVIEW .................................................................. 4
2. CS4228A CODEC ........................................................................................... 4
3. BOARD CONTROL ........................................................................................ 4
4. DIGITAL AUDIO I/O ........................................................................................ 4
5. ANALOG INPUT ............................................................................................. 5
6. ANALOG OUTPUT ......................................................................................... 5
7. EXTERNAL CONTROL MODE ...................................................................... 5
8. POWER SUPPLY CIRCUITRY ....................................................................... 6
9. GROUNDING AND POWER SUPPLY DECOUPLING .................................. 6
10. BILL OF MATERIALS
Figure 1. CDB4228A Top Level Schematic ......................................................... 9
Figure 2. Analog Input Filter .............................................................................. 10
Figure 3. External Control ................................................................................. 11
Figure 4. Digital Audio Port ............................................................................... 12
Figure 5. Analog Output Filter 1 ........................................................................ 13
Figure 6. Analog Output Filter 2 ........................................................................ 14
Figure 7. Analog Output Filter 3 ........................................................................ 15
Figure 8. Analog Output Filter 4 ........................................................................ 16
Figure 9. Analog Output Filter 5 ........................................................................ 17
Figure 10.Analog Output Filter 6 ........................................................................ 18
Figure 11.Low Cost Analog Output Filter ........................................................... 19
Figure 12.Control Port Interface ......................................................................... 20
Figure 13.Programmable Logic .......................................................................... 21
3.1 Graphical User Interface ...................................................................... 4
3.2 External Control Interface .................................................................... 4
4.1 Receiver ............................................................................................... 4
4.2 Transmitter ........................................................................................... 4
4.3 Digital Audio Port ................................................................................. 5
4.4 Master Clock ........................................................................................ 5
4.5 Serial Data Format ............................................................................... 5
7.1 Serial Mode .......................................................................................... 6
7.2 MCLK Multiplexer ................................................................................ 6
7.3 Transmitter Clock Divider .................................................................... 6
.............................................................................. 31
CDB4228A
DS511DB1