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2.4 Input Signals
2.4.1 Video Input
•
Type
•
Input Impedance
•
Polarity
•
Amplitude
•
Display Colour
2.4.2 Sync Input
•
Signal
•
Polarity
2.4.3 Interface Frequency
The following frequency range is generalised by supported timing. If the entered
mode does not match the supported timing the display optimisation will not be
assured.
•
Horizontal Frequency 24KHz --80KHz (analog), 31.5– 80KHz (digital)
•
Vertical Frequency
MONITOR
MODE NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Analog RGB Digital TMDS
75 ohm +/- 2%
Positive
0 - 0.7 +/- 0.05 Vp-p
same as LCD panel
separate horizontal and vertical sync, or composite sync
which are TTL compatible
positive and negative.
56Hz ---------75Hz
DISPLAY MODES
SCREEN
HORIZONTAL
RESOLUTION
SYNC RATE
640x350
640X400
640X400
640X400
640X480
640X480
640X480
640X480
720X400
832X624
800X600
800X600
800X600
800X600
1024X768
1024X768
1024X768
1024X768
1024x768
1280X1024
1280X1024
VERTICAL
SYNC RATE
(kHz)
(Hz)
31.5 +
70.0 -
24.83 -
56.4 -
31.5-
70.0+
31.5-
70.1-
31.5 -
60.0 -
35.0-
66.67-
37.86-
72.80-
37.5-
75.0-
31.5 -
70.0 +
49.72-
74.55 -
35.16+
56.25+
37.8 +
60.0 +
48.07 +
72.18 +
46.87+
75.0+
48.4 -
60.0 -
53.96 +
66.13 +
56.47 -
70.07 -
60.0 +
75.0 +
60.24-
75.02-
64.0 +
60.0 +
80.0 +
75.0 +
8
VIDEO CLK
STANDARD
(MHz)
25.0
VGA
21.05
NEC
25.0
VGA
25.19
NEC
25.0
Defacto
30.24
MAC
31.5
VESA
31.5
VESA
28.0
Text Defacto
57.28
MAC
36.0
SVGA
40.0
VESA
50.0
VESA
49.5
VESA
65.0
VESA
71.66
XGA
75.0
VESA
78.75
VESA
80.0
MAC-768
108.5
SXGA
135.0
Defacto
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