cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 213
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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CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Table A-14. Overscan Values 800 x 600 NTSC, Character Clocked-Based Controller, 8-Pixel Resolution, 3:2 Clocking
Mode
100381B
H_CLKI
1176
1176
1200
1200
1200
1200
1200
1120
1120
1080
1320
Controller Pixels
Total
V_LINESI
750
825
777
798
756
714
735
810
765
805
735
V_ACTIVEO
Active
210
191
203
198
209
221
215
195
206
196
215
Encoder Pixels
Conexant
H_CLKO
Total
1120
1232
1184
1216
1152
1088
1120
1152
1088
1104
1232
Appendix A Scaling and I/0 Timing Register Calculations
Horizontal
13.79
21.62
18.45
20.59
16.18
11.25
13.79
16.18
11.25
12.54
21.62
Overscan (Percent)
Vertical
13.58
21.40
16.46
18.52
13.99
11.52
19.75
15.23
19.34
11.52
9.05
Delta
–
–
–
10.10
0.21
0.22
1.98
2.07
2.19
2.20
2.26
3.57
3.98
6.81
A-31
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