CDB4391A Cirrus Logic Inc, CDB4391A Datasheet - Page 2

• Manufacturer Part Number: CDB4391A
• Description: Audio Modules & Development Tools Eval Bd CS4391A
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4391A

• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4391
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
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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/
I
SPI is a registered trademark of International Business Machines Corporation.
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
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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,
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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.
2
C is a registered trademark of Philips Semiconductors.
1. CDB4391 SYSTEM OVERVIEW .............................................................................................. 3
2. CS4391 DIGITAL TO ANALOG CONVERTER ........................................................................ 3
3. CS8414 DIGITAL AUDIO RECEIVER ...................................................................................... 3
4. CS8414 DATA FORMAT .......................................................................................................... 3
5. INPUT/OUTPUT FOR CLOCKS AND DATA ........................................................................... 4
6. POWER SUPPLY CIRCUITRY ................................................................................................. 4
7. GROUNDING AND POWER SUPPLY DECOUPLING ............................................................ 4
8. CONTROL PORT SOFTWARE ................................................................................................ 4
9. DSD OPERATION .................................................................................................................... 4
10. ERRATA FOR THE REVISION A CIRCUIT BOARD ............................................................ 4
11. PACKING LIST FOR CDB4391 ............................................................................................ 21
Figure 1. System Block Diagram and Signal Flow .......................................................................... 8
Figure 2. CS4391 and Level Shift ................................................................................................... 9
Figure 3. Channel B Audio Output and Mute Circuit ..................................................................... 10
Figure 4. Channel A Audio Output and Mute Circuit ..................................................................... 11
Figure 5. CS8414 Digital Audio Receiver...................................................................................... 12
Figure 6. Digital Audio Inputs ........................................................................................................ 13
Figure 7. Reset Circuit................................................................................................................... 14
Figure 8. Control Port Interface ..................................................................................................... 15
Figure 9. I/O for Clocks and Data.................................................................................................. 16
Figure 10. Power Supply ............................................................................................................... 17
Figure 11. Silkscreen Top ............................................................................................................. 18
Figure 12. Top Side....................................................................................................................... 19
Figure 13. Bottom Side.................................................................................................................. 20
Table 1. CS8414 Supported Formats.............................................................................................. 3
Table 2. System Connections ......................................................................................................... 5
Table 3. CDB4391 Jumper and Switch settings - STAND-ALONE MODE ..................................... 6
Table 4. CDB4391 Jumper and Switch settings - CONTOL PORT MODE..................................... 7
CDB4391
DS335DB2