CX25870/871
Appendix A Scaling and I/0 Timing Register Calculations
Flicker-Free Video Encoder with Ultrascale Technology
Table A-15. Overscan Values 800 x 600 NTSC, Character Clocked-Based Controller, 9-Pixel Resolution, 3:2 Clocking
Mode (2 of 2)
Controller Pixels
Total
Encoder Pixels
Overscan (Percent)
Active
Total
H_CLKI
V_LINESI
V_ACTIVEO
H_CLKO
Horizontal
Vertical
Delta
1260
1260
1260
1260
1260
1260
1260
1080
1071
1071
1305
1323
1350
1350
760
730
745
720
735
725
715
805
825
800
735
725
721
714
208
216
212
219
215
218
221
196
191
197
215
218
219
221
1216
1168
1192
1152
1176
1160
1144
1104
1122
1088
1218
1218
1236
1224
20.59
17.33
18.99
16.18
17.89
16.76
15.59
12.54
13.94
11.25
20.72
20.72
21.88
21.11
14.40
11.11
12.76
9.88
6.19
6.22
6.24
6.30
11.52
10.29
9.05
6.37
6.47
6.54
19.34
21.40
18.93
11.52
10.29
9.88
–6.81
–7.46
–7.68
9.20
10.43
12.00
12.06
9.05
100381B
Conexant
A-33
CONEXANT [ CONEXANT SYSTEMS, INC ]
