cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 210
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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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Appendix A Scaling and I/0 Timing Register Calculations
Table A-13. Overscan Values 800 x 600 NTSC, Pixel-Based Controller, 1-Pixel Resolution, 3:2 Clocking Mode (2 of 4)
A-28
H_CLKI
1134
1134
1134
1134
1215
1125
1125
1218
1125
1125
1125
1215
1125
1125
1125
1125
1125
1125
1125
1225
1120
1225
1225
1225
1225
1225
1225
1225
1120
1225
Controller Pixels
Total
V_LINESI
775
825
800
750
770
819
791
750
798
826
805
735
756
763
812
749
770
777
784
792
810
765
747
774
783
756
720
738
765
729
V_ACTIVEO
Active
204
191
197
210
205
193
200
210
198
191
196
215
209
207
194
211
205
203
201
199
195
206
211
204
202
209
219
214
206
217
Encoder Pixels
Conexant
H_CLKO
Total
1116
1188
1152
1080
1188
1170
1130
1160
1140
1180
1150
1134
1080
1090
1160
1070
1100
1110
1120
1232
1152
1190
1162
1204
1218
1176
1120
1148
1088
1134
Flicker-Free Video Encoder with Ultrascale Technology
Horizontal
13.48
18.72
16.18
10.59
18.72
17.47
14.55
16.76
15.30
18.17
16.03
14.85
10.59
11.41
16.76
12.22
13.01
13.79
21.62
16.18
18.86
16.90
19.80
20.72
17.89
13.79
15.89
11.25
14.85
9.76
Overscan (Percent)
Vertical
16.05
21.40
18.93
13.58
15.64
20.58
17.70
13.58
18.52
21.40
19.34
11.52
13.99
14.81
20.16
13.17
15.64
16.46
17.28
18.11
19.75
15.23
13.17
16.05
16.87
13.99
11.93
15.23
10.70
9.88
CX25870/871
Delta
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
3.08
3.18
3.33
3.52
3.63
3.73
3.75
3.85
3.90
3.91
3.95
4.15
2.57
2.68
2.75
2.99
3.11
3.15
3.22
3.23
3.31
3.40
3.40
3.41
3.41
3.42
3.45
3.50
3.57
3.98
100381B
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