Reviewing Technical Data 4-5
Preset Timing - VGA
ITEM 640 x 350 720 x 400 640 x 480
(kHz) 3 1.469 3 1.469 3 1.469
A (Line time total)
B (Sync. pulse width)
C (Back porch)
D ps (Active)
E ps (Front Porch)
(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
