cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 200
cx25870
Manufacturer Part Number
cx25870
Description
Video Encoder With Adaptive Flicker Filtering And Hdtv Output
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX25870.pdf
(291 pages)
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Manufacturer:
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Appendix A Scaling and I/0 Timing Register Calculations
Table A-7. Overscan Values, 640 x 480 PAL-BDGHI, Pixel-Based Controller, 1-Pixel Resolution, 2.5 µs HBlank (3 of 3)
A-18
H_CLKI
Controller Pixels
975
917
976
975
916
977
915
978
975
914
979
913
980
Total
V_LINESI
625
625
625
600
625
625
625
625
575
625
625
625
625
V_ACTIVEO
Active
240
240
240
250
240
240
240
240
261
240
240
240
240
Encoder Pixels
Conexant
H_CLKO
Total
975
917
976
936
916
977
915
978
897
914
979
913
980
Flicker-Free Video Encoder with Ultrascale Technology
Horizontal
19.21
14.10
19.29
15.84
14.01
19.38
13.91
19.46
12.19
13.82
19.54
13.72
19.62
Overscan (Percent)
Vertical
16.67
16.67
16.67
13.19
16.67
16.67
16.67
16.67
16.67
16.67
16.67
16.67
9.38
CX25870/871
Resolution
100381B
–2.57
–2.66
–2.75
–2.85
–2.94
2.54
2.63
2.65
2.71
2.79
2.81
2.87
2.96
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