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Reviewing Technical Data 4-5
Preset Timing
-
VGA
ITEM 640 x 350
720 x 400
640 x 480
fH
(kHz)
3 1.469
3 1.469 3 1.469
A
ys
(Line time total)
B ys (Sync. pulse width)
C
ps
(Back porch)
D ps (Active)
E ps (Front
Porch)
fv
(Hz)
3 1.778
3 1.778
3 1.778
3.813 3.813
3.813
1.589 1.589
26.05
8
1.589
26.058 26.058
0.318 0.318
0.3 18
70.080 70.080
59.940
P ms (Frame time total)
Q ms (Sync. pulse width)
R ms (Back porch)
S ms (Active)
T ms (Front porch)
14.268 14.268 16.683
0.064 0.064 0.064
1.716
0.890 0.793
11.504 13.156
15.762
0.985 0.159 0.064
Horizontal Sync. Polarity
Vertical
Sync. Polarity
Interlaced
Separate
Sync.
Positive
Negative
Separate
Separate
Sync. Sync.
Negative Negative
Positive Negative
No No No