Table of Contents
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Video Memory Modes
Factory Preset Timing Signal Chart
Video
B
Sync
C
D
Mode1
Polarity
-
H
Frequency
kHz
31.47
O
R
Total Period
uS
31.78
I
Data Period
uS
25.420
Z
O
Blanking
uS
6.360
N
Front Porch
uS
0.640
T
A
Pulse Width
uS
3.810
L
Back Porch
uS
1.910
Polarity
+
V
Frequency
Hz
70.08
E
R
Total Period
mS
14.268
T
Data Period mS
12.711
I
C
Blanking
mS
1.557
A
Front Porch mS
0.413
L
Pulse Width mS
0.064
Back Porch
mS
1.08
720
Resolution
x 400
Recall
YES
A
F
E
Mode2
Mode3
-
-
31.469
37.5
31.778
26.667
25.422
20.317
6.356
6.35
0.636
0.508
3.813
2.032
1.907
3.81
-
-
59.940
75.0
16.683
13.333
15.253
12.80
1.430
0.533
0.318
0.026
0.064
0.08
1.048
0.427
640
640
x 480
x 480
YES
YES
A11
Mode4
Mode5
Symbol
+
-
46.875
48.36
21.333
20.677
E
16.162
15.754
A
5.171
4.923
B
0.323
0.369
C
1.616
2.092
D
3.232
2.462
F
+
-
75.0
60.0
13.333
16.666
E
12.80
15.880
A
0.533
0.786
B
0.021
0.062
C
0.064
0.124
D
0.448
0.060
F
800
1024
x 600
x 768
YES
YES
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