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2.2. SUPPORTING TIMING CHART
ITEM
1
2
3
4
5
TIMING 640
×
350@70
Hz
720
×
400@70
Hz
640
×
480@60
Hz
640
×
480@67
Hz
640
×
480@72
Hz
Pixel
Rate 25.175MHz 28.322MHz 25.175MHz 30.240MHz 31.500MHz
H
TOTAL 31.778us 31.778us 31.778us 28.571us 26.413us
H
DISPLAY
25.422us 25.422us 25.422us 21.164us 20.317us
H
B-Porch
1.907us 1.907us 1.907us 3.175us 4.063us
H
Width 3.813us 3.813us 3.813us 2.116us 0.270us
H
Border 0.318us 0.318us 0.318us 0.000us 0.000us
V
TOTAL 14.268ms 14.268ms 16.683ms 15.000ms 13.734ms
V
DISPLAY
11.122ms 12.711ms 15.253ms 13.714ms 12.678ms
V
B-Porch
1.907ms 1.112ms 1.049ms 1.114ms 0.528ms
Vs
Width 0.064ms 0.064ms 0.064ms 0.086ms 0.079ms
V
Border 0.191ms 0.222ms 0.254ms 0.000ms 0.000ms
H/V Sync
+/-
-/+
-/-
-/-
-/-
Interlace
No. No. No. No. No.
ITEM
6
7
8
9
10
TIMING 640
×
480@75
Hz
800
×
600@56
Hz
800
×
600@60
Hz
800
×
600@72
Hz
800
×
600@75
Hz
Pixel
Rate 31.500MHz 36.000MHz 40.000MHz 50.000MHz 48.500MHz
H
TOTAL 26.667us 28.444us 26.400us 20.800us 21.333us
H
DISPLAY
20.317us 22.222us 20.000us 16.000us 16.162us
H
B-Porch
3.810us 3.556us 2.200us 1.280us 3.232us
H
Width 2.032us 2.000us 3.200us 2.400us 1.616us
H
Border 0.000us 0.000us 0.000us 0.000us 0.000us
V
TOTAL 13.334ms 17.778ms 16.579ms 13.853ms 13.333ms
V
DISPLAY
12.800ms 17.066ms 15.840ms 12.480ms 12.800ms
V
B-Porch
0.427ms 0.626ms 0.607ms 0.478ms 0.448ms
Vs
Width 0.080ms 0.057ms 0.106ms 0.125ms 0.064ms
V
Border 0.000ms 0.000ms 0.000ms 0.000ms 0.000ms
H/V
Sync
-/- +/+ +/+ +/+ +/+
Interlace
No. No. No. No. No.
!
!
ViewSonic Corporation
3
Confidential
– Do Not Copy
VE155s
, VE500-2
VE
15
5
/b, VA520-2