bt829bkrf ETC-unknow, bt829bkrf Datasheet - Page 7

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bt829bkrf

Manufacturer Part Number
bt829bkrf
Description
Video Streamii Decoders
Manufacturer
ETC-unknow
Datasheet

Available stocks

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Part Number
Manufacturer
Quantity
Price
Part Number:
BT829BKRF
Manufacturer:
CONEXANT
Quantity:
1 000
Part Number:
BT829BKRF
Manufacturer:
CONEXANT
Quantity:
20 000
Company:
Part Number:
BT829BKRF
Quantity:
315
Bt829B/827B
VideoStream II Decoders
List of Figures
Figure 1-1. Bt829B/827B Detailed Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Figure 1-2. Bt829B/827B Pinout Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 1-3. UltraLock Behavior for NTSC Square Pixel Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 1-4. Y/C Separation and Chroma Demodulation for Composite Video . . . . . . . . . . . . . . . . . . . 18
Figure 1-5. Y/C Separation Filter Responses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 1-6. Filtering and Scaling Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 1-7. Optional Horizontal Luma Low-Pass Filter Responses . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 1-8. Combined Luma Notch,
Figure 1-9. Combined Luma Notch,
Figure 1-10. Frequency Responses for the Four Optional Vertical Luma Low-Pass Filters . . . . . . . . . . 22
Figure 1-11. Combined Luma Notch and 2x Oversampling Filter Response . . . . . . . . . . . . . . . . . . . . . 22
Figure 1-12. Peaking Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 1-13. Luma Peaking Filters with 2x Oversampling Filter and Luma Notch . . . . . . . . . . . . . . . . . 24
Figure 1-14. Effect of the Cropping and Active Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 1-15. Regions of the Video Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 1-16. Regions of the Video Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 1-17. Bt829B YCrCb 4:2:2 Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 1-18. Bt829B VBI Data Path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 1-19. VBI Line Output Mode Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 1-20. VBI Sample Region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 1-21. Location of VBI Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 1-22. VBI Sample Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 1-23. CC/EDS Data Processing Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 1-24. CC/EDS Incoming Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 1-25. Closed Captioning/Extended Data Services FIFO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 1-26. Coring Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 2-1. Bt829B Typical External Circuitry
Figure 2-2. Bt829B Typical External Circuitry
Figure 2-3. Clock Options (3.3 V VDD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 2-4. Clock Options (5 V VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 2-5. Luma and Chroma 2x Oversampling Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 2-6. Output Mode Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
2x Oversampling and Optional Low-Pass Filter Response (NTSC) . . . . . . . . . . . . . . . . . .21
2x Oversampling and Optional Low-Pass Filter Response (PAL/SECAM) . . . . . . . . . . . . .21
with Third Overtone Crystal Oscillators (5 V VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
with Third Overtone Crystal Oscillators (3.3V VDDO) . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
D829BDSA
List of Figures
vii

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