CS4954 datasheet(4/56 Pages) CIRRUS

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CS4954 CS4955

DS278PP4

TABLE OF FIGURES

Video Pixel Data and Control Port Timing .........................................................................7

I2C Host Port Timing ..........................................................................................................8

Reset Timing ......................................................................................................................9

ITU R.BT601 Input Slave Mode Horizontal Timing ..........................................................15

ITU R.BT601 Input Master Mode Horizontal Timing ........................................................15

Vertical Timing .................................................................................................................17

NTSC Video Interlaced Timing ........................................................................................18

PAL Video Interlaced Timing ...........................................................................................19

NTSC Video Non-Interlaced Progressive Scan Timing ...................................................20

10. PAL Video Non-Interlaced Progressive Scan Timing ......................................................20

11. CCIR656 Input Mode Timing ...........................................................................................21

12. Teletext Timing (Pulsation Mode) ....................................................................................24

13. Teletext Timing (Window Mode) ......................................................................................24

14. 1.3 Mhz Chrominance low-pass filter transfer characteristic ...........................................27

15. 1.3 Mhz Chrominance low-pass filter transfer characterstic (passband) .........................27

16. 650 kHz Chrominance low-pass filter transfer characteristic ...........................................27

17. 650 kHz Chrominance low-pass filter transfer characteristic (passband) ........................27

18. Chrominance output interpolation filter transfer characteristic (passband) ......................28

19. Luminance interpolation filter transfer characteristic .......................................................28

20. Luminance interpolation filter transfer characterstic (passband) .....................................28

21. Chrominance interpolation filter transfer characteristic for RGB datapath .......................28

22. Chroma Interpolator for RGB Datapath when rgb_bw=1 (Reduced Bandwidth) .............29

23. Chroma Interpolator for RGB Datapath when rgb_bw=1 (Reduced Bandwidth) .............29

24. Chroma Interpolator for RGB Datapath when rgb_bw=0 -3 dB .......................................29

25. Chroma Interpolator for RGB Datapath when rgb_bw=0 (Full Scale) ..............................29

26. I2C Protocol .....................................................................................................................32

27. 8-bit Parallel Host Port Timing: Read-Write/Write-Read Cycle ........................................33

28. 8-bit Parallel Host Port Timing: Address Read Cycle ......................................................33

29. 8-bit Parallel Host Port Timing: Address Write Cycle .......................................................34

30. External Low Pass Filter C2 should be chosen so that C1 = C2 + Ccable .........................51

31. Typical Connection Diagram ............................................................................................52

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