cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 192

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

Appendix A Scaling and I/0 Timing Register Calculations
Figure A-7. Allowable Overscan Compensation Ratios for Dual Display, 1024x768 Input, NTSC Output
A-10
NOTE(S):
Use this chart for PAL-M and PAL-60 allowable overscan ratios.
LEGEND
= Pixel Clock Solution
= 8-Cycle Character Clock Solution
= 9-Cycle Character Clock Solution
22
20
18
16
14
12
10
8
8
4 us
3 us
2 us
10
1.75 us
1.5 us
12
Vertical Overscan Compensation Percentage
1 us Horizontal Blanking
14
Conexant
Flicker-Free Video Encoder with Ultrascale Technology
16
18
0 us
20
CX25870/871
100381B
22
100381_063