Справочник Пользователя для Planar LC12
Title: Product Specification: LC12 High-Bright Monitor
Page 14 of 24
Document Number: 023-0284-01
Revision: A
VIDEO MODES
IBM VGA
VESA
RESOLUTION
640 x 400
640 x 480
800 x 600
Video Clock
25.175 MHz
25.175 MHz
50.000 MHz
Horizontal Scan Frequency
31.468 KHz
31.468 KHz
48.077 KHz
Horizontal Line Period
31
.778
µs
800
dots
31
.778
µs
800
dots
20
.800
µs
1040
dots
Horizontal Blanking
6
.356
µs
160
dots
6
.356
µs
160
dots
4
.800
µs
240
dots
Horizontal Sync Pulse
3
.813
µs
96
dots
3
.813
µs
96
dots
2
.400
µs
120
dots
Horizontal Front Porch
0
.636
µs
16
dots
0
.636
µs
16
dots
1
.120
µs
56
dots
Horizontal Back Porch
1
.907
µs
48
dots
1
.907
µs
48
dots
1
.280
µs
64
dots
Horizontal Active Display
25
.422
µs
640
dots
25
.422
µs
640
dots
16
.000
µs
800
dots
Horizontal Sync Polarity
-
-
+
Vertical Scan Frequency
70.087 Hz
59.94 Hz
72.187 Hz
Vertical Frame Period
14
.268
ms
449
line
16
.683
ms
525
line
13
.853
ms
666
line
Vertical Blanking
1
.557
ms
49
line
1
.430
ms
45
line
1
.373
ms
66
line
Vertical Sync Pulse
0
.064
ms
2
line
0
.064
ms
2
line
0
.125
ms
6
line
Vertical Front Porch
0
.381
ms
12
line
0
.318
ms
10
line
0
.770
ms
37
line
Vertical Back Porch
1
.112
ms
35
line
1
.049
ms
33
line
0
.478
ms
23
line
Vertical Active Display
12
.711
ms
400
line
15
.254
ms
480
line
12
.480
ms
600
line
Vertical Sync Polarity
+
-
+
Note: For video mode 720 x 400 missing video rows and columns are allowed. This is a text mode
only. Performance is acceptable if characters as defined section 1.2.1 are legible. Missing row or
columns at edge of display is acceptable as long as characters remain legible.
columns at edge of display is acceptable as long as characters remain legible.