cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 186
cx25870
Manufacturer Part Number
cx25870
Description
Video Encoder With Adaptive Flicker Filtering And Hdtv Output
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX25870.pdf
(291 pages)
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cx25870-14P
Manufacturer:
CONEXANT
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Appendix A Scaling and I/0 Timing Register Calculations
Figure A-1. Allowable Overscan Compensation Ratios for Dual Display, 640x480 Input, NTSC Output with 20 Clock
HBlank Period
A-4
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
10
Overscan Compensation Pecentage Pairs for 640x480 NTSC
12
Vertical Overscan Compensation Percentage
14
Conexant
Flicker-Free Video Encoder with Ultrascale Technology
16
18
20
CX25870/871
22
100381B
100381_026
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