CX25870/871
Appendix A Scaling and I/0 Timing Register Calculations
Flicker-Free Video Encoder with Ultrascale Technology
Table A-18. Overscan Values, 800 x 600 PAL-BDGHI, Character Clock-Based Controller, 9-Pixel Resolution
Controller Pixels
Total
Encoder Pixels
Active
Overscan (Percent)
Total
H_CLKI
V_LINESI
V_ACTIVEO
H_CLKO
Horizontal
Vertical
Resolution
945
900
900
990
900
1035
750
825
800
750
775
750
250
228
235
250
242
250
1134
1188
1152
1188
1116
1242
13.17
17.12
14.53
17.12
11.77
20.72
13.19
20.83
18.40
13.19
15.97
13.19
–0.02
–3.71
–3.87
3.93
–4.20
7.53
100381B
Conexant
A-37