Appendix A Scaling and I/0 Timing Register Calculations
CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Table A-10. Overscan Values, 800 x 600 NTSC, Pixel-Based Controller, 1-Pixel Resolution (4 of 4)
Controller Pixels
Total
Encoder Pixels
Overscan (Percent)
Active
Total
H_CLKI
V_LINESI
V_ACTIVEO
H_CLKO
Horizontal
Vertical
Resolution
889
882
885
890
895
900
900
900
900
905
903
910
925
750
725
735
735
735
735
728
721
714
735
725
720
714
210
218
215
215
215
215
217
219
221
215
218
219
221
1270
1218
1239
1246
1253
1260
1248
1236
1224
1267
1247
1248
1258
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
13.58
10.29
11.52
11.52
11.52
11.52
10.70
9.88
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
9.05
11.52
10.29
9.88
9.05
A-24
Conexant
100381B
CONEXANT [ CONEXANT SYSTEMS, INC ]
