Vivitek RP56HD21-A User Manual page 49

Preset Timing Chart & Reference Timing Table
Model no.
Model name EGA/70 EGA/85 VGA
Horizontal dots
Vertical lines
Pixel clock (mhz) 25.175
Horizontal freq
(khz)
Sync. Polarity
A h.total (us)
(pixels)
B h.sync
(us)(pixels)
C h.back porch
(us) (pixels)
D h.active
(us) (pixels)
E h.front porch
(us) (pixels)
Vertical freq (hz) 70.087
Sync. Polarity
O v.total (ms)
(lines)
P v.sync
(ms) (lines)
Q v.back porch
(ms) (lines)
R v.active (ms)
(lines)
S v.front porch
(ms) (lines)
1 2
640 640 640
350 350 480
31.5 25.175
31.469 37.861 31.469 37.861
+ +
31.778 (832) 31.778
(800) (800)
3.813 (64) 3.813
(96) (96)
1.907 (96) 1.907
(48) (48)
25.422 (640) 25.422
(640) (640)
(16) (32) 0.318
(16)
85.08 59.94 72.809
- -
14.268 (445) 16.684
(449) (525)
0.064 (3) 0.064
(2)
1.112 (60) 1.048
(60) (33)
11.122 (350) 15.254
(350) (480)
0.222 (32) 0.318
(37) (10)
3 4 5
VGA VGA
640 640
480 480
31.5 31.50
37.5
- - -
832 26.667
(840)
40 2.032
(64)
128 3.810
(120)
640 20.317
(640)
24 0.508
(16)
75
- - -
520 13.333
(500)
3 0.080
(2) (3)
28 0.427
(16)
480 12.800
(480)
9 0.027
(1)
6 7
VGA VESA
640 800
480 600
36 36
43.269 35.156
- +
23.111 1024
(832)
1.556 72
(56)
2.222 128
(80)
17.778 800
(640)
1.556 24
(56)
85.008 56.25
- +
11.764 625
(509)
0.069 2
(3)
0.578 22
(25)
11.093 600
(480)
0.023 1
(1)