cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 190
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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Part Number:
cx25870-14P
Manufacturer:
CONEXANT
Quantity:
20 000
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Appendix A Scaling and I/0 Timing Register Calculations
Figure A-5. Allowable Overscan Compensation Ratios for Dual Display, 800x600 Input, NTSC Output in 3:2 Clocking
Mode
A-8
NOTE(S):
1. All overscan solutions on this chart can be enabled by a data master that requires no more than 4 µs of MBlank time per line.
2. 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
12
Vertical Overscan Compensation Percentage
14
Conexant
Flicker-Free Video Encoder with Ultrascale Technology
16
18
20
CX25870/871
100381B
22
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