TIMING CHART
VIDEO
SYNC
C
E
D
F
A
B
MODE
1
2
3
4
H/V
Sort
H
V
H
V
H
V
H
V
Sync
Polarity
-
-
+
+
+
+
+
+
Frequency
37.50
74.99
46.88
75.01
53.68
85.07
68.677
85.00
Total
Period(E)
26.67
13.335
21.33
13.331
18.63
11.755
14.561
11.764
Video
Active
Time(A)
20.32
12.802
16.16
12.798
14.22
11.178
10.836
11.182
Blanking
Time(B)
6.35
0.533
5.17
0.533
4.41
0.577
3.725
0.582
Sync
Duration(D)
2.03
0.080
1.62
0.064
1.14
0.056
1.016
0.044
Back
Porch(C)
0.51
0.026
0.32
0.021
0.57
0.018
0.508
0.014
Front
Porch(F)
3.81
0.427
3.23
0.448
2.70
0.503
2.201
0.524
Resolution
640 X 480
75Hz
800 X 600
75Hz
800X 600
85Hz
1024 X 768
85Hz
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