cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 219

• Manufacturer Part Number: cx25870
• Description: Video Encoder With Adaptive Flicker Filtering And Hdtv Output
• Manufacturer: Conexant Systems, Inc.

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