cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 233
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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Part Number
Manufacturer
Quantity
Price
Part Number:
cx25870-14P
Manufacturer:
CONEXANT
Quantity:
20 000
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CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Table A-25. Overscan Values 1024 x 768 PAL-BDGHI, Pixel-Based Controller, 1-Pixel Resolution, >3 !s Hblank (3 of 3)
100381B
H_CLKI
1575
1250
1250
1250
1250
1250
1250
1250
1250
1250
1250
1250
1625
1625
Graphics Controller
Total
V_LINESI
1065
1056
1068
1047
1059
1038
1050
1062
1041
1053
1044
925
930
915
V_ACTIVEO
Active
260
226
228
225
230
227
232
229
226
231
228
230
259
263
Encoder Pixels
Conexant
H_CLKO
Total
1554
1420
1408
1424
1396
1412
1384
1400
1416
1388
1404
1392
1612
1586
Appendix A Scaling and I/0 Timing Register Calculations
Horizontal
11.25
10.49
10.74
10.23
21.82
20.54
18.9
11.5
9.72
8.94
9.98
9.46
9.2
11
Overscan (Percent)
Vertical
21.53
20.83
21.88
20.14
21.18
19.44
20.49
21.53
19.79
20.83
20.14
10.07
9.72
8.68
Delta
11.75
11.85
-10.2
-10.3
-10.3
-10.4
-10.4
-10.5
-10.5
-10.5
-10.5
-10.6
-10.6
9.18
A-51
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