cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 222
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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Price
Part Number:
cx25870-14P
Manufacturer:
CONEXANT
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20 000
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Appendix A Scaling and I/0 Timing Register Calculations
Table A-19. Overscan Values 800 x 600 PAL-BDGHI, Pixel-Based Controller, 1-Pixel Resolution, 3:2 Clocking Mode (3 of
3)
A-40
H_CLKI
1515
1520
1525
1530
1535
1540
1300
1545
1550
1555
1560
1565
1570
1275
1575
1275
1575
1250
1250
1250
1250
1250
1250
1250
1250
1625
Controller Pixels
Total
V_LINESI
750
750
750
750
750
750
825
750
750
750
750
750
750
825
750
800
725
822
825
828
831
834
813
816
819
720
V_ACTIVEO
Active
250
250
250
250
250
250
228
250
250
250
250
250
250
228
250
235
259
229
228
227
226
225
231
230
229
261
Encoder Pixels
Conexant
H_CLKO
Total
1212
1216
1220
1224
1228
1232
1144
1236
1240
1244
1248
1252
1256
1122
1260
1088
1218
1096
1100
1104
1108
1112
1084
1088
1092
1248
Flicker-Free Video Encoder with Ultrascale Technology
Horizontal
18.76
19.03
19.29
19.56
19.82
20.08
13.93
20.34
20.60
20.85
21.10
21.36
21.61
12.24
21.86
19.16
10.16
10.49
10.81
11.14
11.46
21.10
9.50
9.17
9.50
9.83
Overscan (Percent)
Vertical
13.19
13.19
13.19
13.19
13.19
13.19
20.83
13.19
13.19
13.19
13.19
13.19
13.19
20.83
13.19
18.40
10.07
20.49
20.83
21.18
21.53
21.88
19.79
20.14
20.49
9.38
CX25870/871
–
–
–
–
–
–
–
–
Delta
–
–
–
11.73
5.57
5.83
6.10
6.36
6.63
6.89
7.14
7.40
7.66
7.91
8.16
8.41
8.66
9.09
10.32
10.34
10.37
10.39
10.42
10.62
10.64
10.65
6.90
8.59
8.90
100381B
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