CX25870/871
Appendix A Scaling and I/0 Timing Register Calculations
Flicker-Free Video Encoder with Ultrascale Technology
Table A-25. Overscan Values 1024 x 768 PAL-BDGHI, Pixel-Based Controller, 1-Pixel Resolution, >3 µs Hblank (3 of 3)
Graphics Controller
Total
Encoder Pixels
Overscan (Percent)
Active
Total
H_CLKI
1575
V_LINESI
925
V_ACTIVEO
H_CLKO
Horizontal
Vertical
Delta
260
226
228
225
230
227
232
229
226
231
228
230
259
263
1554
1420
1408
1424
1396
1412
1384
1400
1416
1388
1404
1392
1612
1586
18.9
11.25
10.49
11.5
9.72
10.74
8.94
9.98
11
9.72
21.53
20.83
21.88
20.14
21.18
19.44
20.49
21.53
19.79
20.83
20.14
10.07
8.68
9.18
-10.2
-10.3
-10.3
-10.4
-10.4
-10.5
-10.5
-10.5
-10.5
-10.6
-10.6
11.75
11.85
1250
1250
1250
1250
1250
1250
1250
1250
1250
1250
1250
1625
1625
1065
1056
1068
1047
1059
1038
1050
1062
1041
1053
1044
930
9.2
10.23
9.46
21.82
20.54
915
100381B
Conexant
A-51
CONEXANT [ CONEXANT SYSTEMS, INC ]
