Analog Timing Mode Table
1 2 3 4
5 6
7
Signal name
symbol TEXT
mode
TEXT
mode
VGA MAC-II
VESA-VGA
VESA-VG
A
VESA-VG
A
H-frequency
(kHz)
31.468 31.469 31.468 35.001 37.5
37.862 43.269
V-frequency
(Hz)
70.087 70.087 59.941 66.667
75
72.807
85.005
Pixel rate (MHz)
25.175
28.322
25.175
30.240
31.5
31.501
36.000
H-sync
Ths
96 108 96 64 64
40 56
H-back
porch
Thb
48 54 48 96
120 128
80
Count num
(H-total)
Thd
800 900 800 864
840 832
832
H- front porch
Thf
16
18
16
64
16
24
56
V-sync
Tvs
2 2 2 3
3 3
3
V-back
porch
Tvb
60 35 33 39
16 28
25
Count num
(V-total)
Tvd
449 449 525 525
500 520
509
V-front
porch
Tvf
37 12 10 3 1
9 1
H-sync.
Polarity
Positive
Negative Negative Negative Negative
Negative Negative
V-sync Polarity
Negative
Positive
Negative Negative Negative
Negative Negative
H-resolution
(dots) 640 720 640 640
640 640
640
V-resolution
(lines) 350 400 480 480
480 480
480
8 9 10
11
12 13
14
Signal name
Symbo
l
IBM-8514A SVGA
SVGA
SVGA
SVGA
MAC 16" XGA
H-frequency
(kHz)
35.156 37.879 48.077 46.875 53.674
49.725 48.363
V-frequency (Hz)
56.250
60.317
72.188
75.000
85.061
74.5
60.004
Pixel rate (MHz)
36.000
40.000
50.000
49.500
56.250
57.283
65.000
H-sync
Ths
72 128 120 80 64
64 136
H-back
porch Thb
128 88
64 160 152
224 160
Count num
(H-total)
Thd
1024 1056 1040 1056
1048 1152
1344
H- front porch
Thf
24
40
56
16
32
32
24
26!
ViewSonic Corporation
Confidential – Do Not Copy
VX
8
00-3
Содержание VX800-3
Страница 56: ...6 Mechanical Assembly 62 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 57: ...63 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 58: ...64 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 59: ...BASE ASSEMBLY 65 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 60: ...66 ViewSonic Corporation Confidential Do Not Copy VX800 3 TAPE...
Страница 62: ...7 Schematic Diagrams 57 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 63: ...58 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 64: ...59 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 65: ...60 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 66: ...61 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 67: ...62 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 68: ...63 ViewSonic Corporation Confidential Do Not Copy VX800 3...
Страница 69: ...8 PCB Layout ViewSonic Corporation Confidential Do Not Copy VX800 3 64...
Страница 70: ...ViewSonic Corporation Confidential Do Not Copy VX800 3 76...
Страница 71: ...77 ViewSonic Corporation Confidential Do Not Copy VX800 3...