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TIMING CHART
<< Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >>
VIDEO
SYNC
B
C
E
A
D
Mode
H/V
Sort
Sync
Polarity
Frequency
Dot
Clock
Total Period
(E)
Video Active
Time (A)
Sync Duration
(C)
Back Porch
(B)
Resolution
1
H
+
25.175
31.469
800
640
16
96
48
640 x 350
V
-
70.09 449
350
37
2
60
2
H
-
28.321
31.468
900
720
18
108
54
720 X 400
V
+
70.08
449
400
12
2
35
3
H
-
25.175
31.469
800
640
16
96
48
640 x 480
V
-
59.94
525
480
10
2
33
4
H
-
31.5
37.5
840
640
16
64
120
640 x 480
V
-
75
500
480
1
3
16
5
H
+
40.0
37.879
1056
800
40
128
88
800 x 600
V
+
60.317
628
600
1
4
23
6
H
+
49.5
46.875
1056
800
16
80
160
800 x 600
V
+
75.0
625
600
1
3
21
7
H
+/-
57.283
49.725
1152
832
32
64
224
832 x 624
V
+/-
74.55
667
624
1
3
39
8
H
-
65.0
48.363
1344
1024
24
136
160
1024 x 768
V
-
60.0
806
768
3
6
29
9
H
-
78.75
60.123
1312
1024
16
96
176
1024 x 768
V
-
75.029
800
768
1
3
28
10
H
+/-
100.0
68.681
1456
1152
32
128
144
1152 x 870
V
+/-
75.062
915
870
3
3
39
11
H
+/-
92.978
61.805
1504
1152
18
134
200
1152 x 900
V
+/-
65.96
937
900
2
4
31
12
H
+
108.0
63.981
1688
1280
48
112
248
1280 x 1024
V
+
60.02
1066
1024
1
3
38
13
H
+
135.0
79.976
1688
1280
16
144
248
1280 x 1024
V
+
75.035
1066
1024
1
3
38
Front Porch
(D)
