CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 2

• Manufacturer Part Number: CDB4955A
• Description: EVALUATION BOARD FOR CS4955A
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4955A

• Main Purpose: Video, Video Processing
• Embedded: Yes, Other
• Utilized Ic / Part: CS4955
• Primary Attributes: NTSC/PAL Digital Video Encoder
• Secondary Attributes: Graphical User Interface, RS-232 Interface
• Operating Frequency: 27 MHz
• Interface Type: RS-232, Composite, RGB, S-Video
• Operating Supply Voltage: 3.3 V, 5 V
• Software: Software Included
• Silicon Manufacturer: Cirrus Logic
• Silicon Core Number: CS4955
• Kit Application Type: Audio / Video / TV
• Application Sub Type: Encoder / Decoder
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• For Use With/related Products: CS4954
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

TABLE OF CONTENTS
LIST OF FIGURES
2
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/
Microsoft, Windows 95, Windows 98, Windows 2000, and Windows NT are registered trademarks of Micosoft Corporation. IBM is a registered trademark of
International Business Machines, Inc. Macrovision is a registered trademark of Macrovision 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
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. 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.
1. CDB4954A/55A SYSTEM OVERVIEW .................................................................................... 4
2. SETUP ACTIVITIES .................................................................................................................. 4
3. COMMAND LINE PARAMETERS ............................................................................................ 6
4. 3.3 V OR 5 V INTERFACE ........................................................................................................ 6
5. DIGITAL VIDEO INTERFACE .................................................................................................. 6
6. ANALOG OUTPUT ................................................................................................................... 6
7. OUTPUT FILTERS .................................................................................................................... 6
Figure 1. CDB4954A/55A Evaluation Board Interface .................................................................... 5
Figure 2. Register Edit Box ............................................................................................................. 5
Figure 3. 300 Ω Filters..................................................................................................................... 7
Figure 4. 75 Ω Filters....................................................................................................................... 7
Figure 5. Digital Video Input ............................................................................................................ 9
Figure 6. FPGA ............................................................................................................................. 10
Figure 7. CS4954/5 ....................................................................................................................... 11
Figure 8. Microprocessor............................................................................................................... 12
Figure 9. Video Output Filters ....................................................................................................... 13
Figure 10. Power/RS232 Interface ................................................................................................ 14
Figure 11. Silkscreen Top ............................................................................................................. 15
Figure 12. Top Side....................................................................................................................... 16
Figure 13. Power Layer ................................................................................................................. 17
Figure 14. Ground Layer ............................................................................................................... 18
Figure 15. Bottom Side.................................................................................................................. 19
2.1 DIP Switch Options ............................................................................................................ 4
2.2 Control Port Software ......................................................................................................... 4
2.2.1 Changing a CS4954/5 or FPGA Register ............................................................. 4
2.2.2 Actions Menu ........................................................................................................ 5
2.2.2.1 Convert to CCIR656 File Option ........................................................... 5
2.2.2.2 Video Input Source Option .................................................................... 6
2.2.2.3 Download a CCIR656 File to SDRAM and Display Option ................... 6
2.2.2.4 Download a CCIR656 File to Flash Option ........................................... 6
2.2.2.5 Display Video from Flash Option ........................................................... 6
2.2.2.6 Display Test Patterns Option ................................................................ 6
CDB4954A/55A