Capturing images using the image capture board (continued)
(Refer to the following timing diagram for the setting of the capture board.)
Video signal
Sync signal
A :
B :
C :
No. of bits
H
No. of lines
V
Dot clock
Horizontal frequency :
Vertical frequency
Front porch
Synch signal width
Back porch
A
56
µs
3.9111
16
ms
2.0003
: 14.31818 MHz
8.00 kHz
:
7.49 Hz
E
F
D :
Blanking time
E :
Video signal interval
F :
Cycle
B
C
96
278
6.7048
19.416
9
19
1.1251
2.3753
D
B
A
C
D
E
430
1360
30.032
94.984
125.02
44
1024
5.5007
128.02
133.52
F
1790
1068
E69