cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 188

• 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-3. Allowable Overscan Compensation Ratios for Dual Display, 800x600 Input, NTSC Output
A-6
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
24
22
20
18
16
14
12
10
8
8
3 µs
2 µs
1 µs
.75 µs
0 µs Horizontal Blanking
10
Overscan Compensation Percentage Pairs for 800x600 NTSC
12
Vertical Overscan Compensation Percentage
Conexant
14
Flicker-Free Video Encoder with Ultrascale Technology
16
18
20
CX25870/871
22
100381B
100381_028