cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 217

• 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-16. Overscan Values, 800 x 600 PAL-BDGHI, Pixel-Based Controller, 1-Pixel Resolution, >2.5 µs HBlank (2 of 2)
100381B
H_CLKI
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
995
Controller Pixels
Total
V_LINESI
750
785
775
750
780
760
770
745
730
755
765
V_ACTIVEO
Active
250
239
242
250
241
247
244
252
257
249
246
Encoder Pixels
Conexant
H_CLKO
Total
1194
1256
1240
1200
1248
1216
1232
1192
1168
1208
1224
Appendix A Scaling and I/0 Timing Register Calculations
Horizontal
17.54
21.61
20.60
17.95
21.10
19.03
20.08
17.40
15.70
18.49
19.56
Overscan (Percent)
Vertical
13.19
17.01
15.97
13.19
16.32
14.24
15.28
12.50
10.76
13.54
14.58
Resolution
4.34
4.59
4.62
4.75
4.79
4.79
4.80
4.90
4.94
4.95
4.97
A-35