
Recommended timing
640x400at 85 Hz
640 x 480 at 85 Hz
720 x 400at 85 Hz
Dot clock
31.5000 MHz
36.0000 MHz
35.5000 MHz
C
o
N
*C
0
1
fH 37.860 kHz
43.269 kHz
37.928 kHz
A H-Period
26.413us( 832dots)
23.111 us i 832dots)
26.366 us ( 936dots)
F H-Blanking
6.095 us( 192dots)
5.333 us i 192dots)
6.085 us ( 216dots)
B H‘Sync width
2.032 us( 64dots)
1.556 us ( 56dots) 2.028 us ( 72dots)
c H-Back porch
3.048 us ( 96dots)
2.222 us ( 80dots)
3.042 us i 108dots)
D H-Active
20.317 us ( 640dots)
17.778 us( 640dots)
20.282 us ( 720dots)
E H-Front porch 1.016 us ( 32dots)
1.556 us ( 56dots)
1.014 us ( 36dots)
Id
u
'€
(U
>
fV
85.080 Hz
85.010 Hz
85.040 Hz
P V-Period
11.754 ms(445lines)
11.763 ms(509lines)
11.759 ms(446lines)
U V-Blanking
1.189 ms ( 45lines)
0.670 ms { 29lines)
1.213 ms ( 46lines)
Q
V-Sync width
0.079 ms ( 3lines)
0.069 ms( 3lines)
0.079 ms ( 3lines)
R V-Back porch
1.083 ms { 41 lines)
0.578 ms ( 25lines)
1.107 ms ( 42lines)
S V-Active 10.565 ms{400lines)
11.093 ms(480lines)
10.546 ms( 400lines)
T V-Front porch 0.026 ms{ nine )
0.023 ms ( nine )
0.026 ms( 1line )
Sync polarity (H/V) Negative/Positive
Negative/Negative Negative/Positive
Recommended timing
800 x 600at 85 Hz
1024 x 768 at 85 Hz
1152 x 900at 66 Hz
Dot clock
56.2500 MHz
94.5000 MHz
92.9407 MHz
ra
c
o
N
k.
o
X
fH 53.674 kHz
68.677 kHz
61.797 kHz
A H-Period 18.631 us(1048dots)
14.561 us(1376dots)
16.182 us(1504dots)
F H-Blanking
4.409 us{ 248dots)
3.725 us( 352dots)
3.787 us ( 352dots)
B
H-Sync width
1.138 us { 64dots)
1.016 us( 96dots)
1.377 us ( 128dots)
C
H-Back porch
2.702 us { 152dots)
2.201 us( 208dots)
2.098 us ( 195dots)
D
H-Active 14.222 us { SOOdots)
10.836 us(1024dots)
12.395 us(1152dots)
E H-Front porch
0.569 us{ 32dots)
0.508 us( 48dots)
0.312 us( 29dots)
"[5
o
tr
0
>
fV
85.060 Hz
85.000 Hz
65.950 Hz
P
V-Period 11.756 ms ( 631 lines)
11.765 ms (808lines)
15.163ms( 937lines)
U V-Blanking
0.578 ms( 31lines)
0.582 ms ( 401ines)
0.599 ms ( 37lines)
Q
V-Sync width
0.056 ms( 31ines)
0.044 ms ( 3iines)
0.065 ms( 4lines)
R V-Back porch
0.503 ms ( 271ines)
0.524 ms ( 36lines)
0.502 ms ( 31lines)
S V-Active
11.179 ms(6001ines)
11.183 ms (768lines) 14.564 ms(900lines)
T
V-Front porch
0.019 ms( nine )
0.015 ms( nine )
0.032 ms( 2lines)
Sync polarity (HA/)
Positive/Positive
Positive/Positive Composite
— 16
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