cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 206

• 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
Table A-10. Overscan Values, 800 x 600 NTSC, Pixel-Based Controller, 1-Pixel Resolution (4 of 4)
A-24
H_CLKI
889
882
885
890
895
900
900
900
900
905
903
910
925
Controller Pixels
Total
V_LINESI
750
725
735
735
735
735
728
721
714
735
725
720
714
V_ACTIVEO
Active
210
218
215
215
215
215
217
219
221
215
218
219
221
Encoder Pixels
H_CLKO
Total
1270
1218
1239
1246
1253
1260
1248
1236
1224
1267
1247
1248
1258
Conexant
Flicker-Free Video Encoder with Ultrascale Technology
Horizontal
23.97
20.72
22.07
22.50
22.94
23.36
22.63
21.88
21.11
23.79
22.57
22.63
23.24
Overscan (Percent)
Vertical
13.58
10.29
11.52
11.52
11.52
11.52
10.70
11.52
10.29
9.88
9.05
9.88
9.05
CX25870/871
Resolution
10.39
10.43
10.54
10.98
11.41
11.84
11.93
12.00
12.06
12.27
12.28
12.75
14.19
100381B