CDB4954A Datasheet, PDF (2/20 Pages) Cirrus Logic – Evaluation Board

CDB4954A/55A
TABLE OF CONTENTS
1. CDB4954A/55A SYSTEM OVERVIEW .................................................................................... 4
2. SETUP ACTIVITIES .................................................................................................................. 4
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
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
LIST OF FIGURES
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
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