Interpolated Control (VIC) Port Reference Guide

BT.656 and Y/C Mode Field and Frame Operation
3-23Video Capture PortSPRU629
Figure 3–9. HCOUNT Operation Example (EXC = 0)
VDIN[9–0]
80.0 80.0 10.0
FF.C
00.0 00.0
Cb 0
Y 2
Cb 359
Cr 359
Y 719
Y 0
Cr 0
Y 1
Cb 1
One Line
XY.0
10.0 80.0 10.0
FF.C
00.0 00.0
XY.0
855 856 857 0 1 2
718 719 720 721 722 723
720 721 722 723
HCOUNT
SAVEAV Blanking Data EAV
Active VideoBlanking
VCLKIN
Next Line
4
4
268 1440
EXC=0
HRST=0
One Line
133 134 135 136 273 274
854 855 856 857 0 1
856 857 0 1
HCOUNT
Next Line
EXC=0
HRST=1
n n+1n–1
VCOUNT
Y 718
Figure 3–10. HCOUNT Operation Example (EXC = 1)
n
n
n
140
2
60
n
1440
Active Video
124
Y 2
Blanking Data
1
721
779
843
VCOUNT
VCOUNT
EXC=1
HRST=1
EXC=1
HRST=0
HCOUNT
720
HCOUNT
VCOUNT
0
AVID
EXC=1
HRST=0
EXC=1
HRST=1
HCOUNT
842
HCOUNT
VCOUNT
778
HSYNC
79
799
857
63
n–1
15
735722
2
736
n–1
16
793
857844
780
n–1
0
794
136
856855800
80 135
857 10
138137 139
56
12011964
0 55
121 123122
5857 59
Blanking
80.0
VCLKIN
VDIN[9–0]
80.0 10.0 10.0 80.0 80.0 10.0 10.0 10.0 80.0 80.0 10.0 10.0 80.0 10.0 80.0
Y 0
10.0 80.0
Cb 0 Cb 1
Y 1
Cr 0
n+1
1
721
779
843
720719718
857856 0
842842840
777776 778
722
2
844
780
10.0
Cb 0
80.0
Y 719
Cr 359
Y 718
10.0 80.0 10.0 80.0
276