CX25870/871
Appendix A Scaling and I/0 Timing Register Calculations
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
Controller Pixels
Total
Encoder Pixels
Overscan (Percent)
Active
Total
H_CLKI
V_LINESI
V_ACTIVEO
H_CLKO
Horizontal
Vertical
Delta
1176
1176
1200
1200
1200
1200
1200
1120
1120
1080
1320
750
825
777
798
756
714
735
810
765
805
735
210
191
203
198
209
221
215
195
206
196
215
1120
1232
1184
1216
1152
1088
1120
1152
1088
1104
1232
13.79
21.62
18.45
20.59
16.18
11.25
13.79
16.18
11.25
12.54
21.62
13.58
21.40
16.46
18.52
13.99
9.05
0.21
0.22
1.98
2.07
2.19
2.20
11.52
19.75
15.23
19.34
11.52
2.26
–3.57
–3.98
–6.81
10.10
100381B
Conexant
A-31
CONEXANT [ CONEXANT SYSTEMS, INC ]
