cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 230
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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cx25870-14P
Manufacturer:
CONEXANT
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Appendix A Scaling and I/0 Timing Register Calculations
Table A-24. Overscan Values 1024 x 768 NTSC, Character Clock-Based Controller, 9-Pixel Resolution (2 of 2)
A-48
H_CLKI
1260
1260
1260
1260
1260
1260
1260
1260
1260
1260
1260
1260
1260
1260
1260
1260
Controller Pixels
Total
V_LINESI
990
985
980
960
975
965
970
925
930
935
940
945
950
955
915
920
V_ACTIVEO
Active
204
205
206
210
207
209
208
218
217
216
215
214
213
212
221
220
Encoder Pixels
Conexant
H_CLKO
Total
1584
1576
1568
1536
1560
1544
1552
1480
1488
1496
1504
1512
1520
1528
1464
1472
Flicker-Free Video Encoder with Ultrascale Technology
Horizontal
21.97
21.58
21.18
19.53
20.77
19.95
20.36
16.49
16.94
17.38
17.82
18.26
18.69
19.11
15.58
16.03
Overscan (Percent)
Vertical
16.05
15.64
15.23
13.58
14.81
13.99
14.40
10.29
10.70
11.11
11.52
11.93
12.35
12.76
9.05
9.47
CX25870/871
Delta
5.92
5.94
5.95
5.95
5.96
5.96
5.96
6.20
6.24
6.27
6.30
6.32
6.34
6.35
6.52
6.57
100381B
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