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English 27
Getting started
Preset timing
VESA 640x480 at 85Hz VESA 640x480 at 72Hz VESA 640x480 at 75 Hz
Dot Clock 31.5 MHz 31.5 MHz 31.5 Mhz
Horizontal frequency 37.861 KHz 37.861 KHz 37.500 KHz
A-Period 26.413 µs (832 dots) 26.413 µs (832 dots) 26.667 µs (840 dots)
B-Blanking 6.095 µs (192 dots) 6.095 µs (192 dots) 6.349 µs (200 dots)
C-Sync Width 2.032 µs (64 dots) 1.270 µs (40 dots) 2.032 µs (64 dots)
D-Back Porch 3.048 µs (96 dots) 4.063 µs (128 dots) 3.810 µs (120 dots)
E-Active Time 20.317 µs (640 dots) 20.317 µs (640 dots) 20.317 µs (640 dots)
F-Front Porch 1.016 µs (32 dots) 0.762 µs (24 dots) 0.508 µs (16 dots)
Vertical frequency 85.080 Hz 72.8088 Hz 75.0000 Hz
A-Period 11.754 ms (445 lines) 13.735 ms (520 lines) 13.333 ms (500 lines)
B-Blanking 1.189 ms (45 lines) 1.057 ms (40 lines) 0.533 ms (20 lines)
C-Sync Width 0.079 ms (3 lines) 0.079 ms (3 lines) 0.080 ms (3 lines)
D-Back Porch 1.083 ms (41 lines) 0.740 ms (28 lines) 0.427 ms (16 lines)
E-Active Time 10.566 ms (400 lines) 12.678 ms (480 lines) 12.800 ms (480 lines)
F-Front Porch 0.026 ms (1 line) 0.238 ms (9 lines) 0.027 ms (1 line)
Sync Polarity (H/V) Negative/Positive Negative/Negative Negative/Negative
Preset timing
VESA 640x480 at 85Hz VESA 800x600 at 56Hz VESA 800x600 at 60Hz
Dot Clock 36.000 Mhz 36.000 Mhz 40.000 Mhz
Horizontal frequency 43.269 Khz 35.156 Khz 37.879 Khz
A-Period 23.111 µs (832 dots) 28.444 µs (1024 dots) 26.400 µs (1056 dots)
B-Blanking 5.333 µs (192 dots) 6.222 µs (224 dots) 6.400 µs (256 dots)
C-Sync Width 1.333 µs (48 dots) 2.000 µs (72 dots) 3.200 µs (128 dots)
D-Back Porch 3.111 µs (112 dots) 3.556 µs (128 dots) 2.200 µs (88 dots)
E-Active Time 17.778 µs (640 dots) 22.222 µs (800 dots) 20.000 µs (800 dots)
F-Front Porch 0.889 µs (32 dots) 0.667 µs (24 dots) 1.000 µs (40 dots)
Vertical frequency 85.008 Hz 56.250 Hz 60.317 Hz
A-Period 11.764 ms (509 lines) 17.778 ms (625 lines) 16.579 ms (628 lines)
B-Blanking 0.670 ms (29 lines) 0.711 ms (25 lines) 0.739 ms (28 lines)
C-Sync Width 0.069 ms (3 lines) 0.057 ms (2 lines) 0.106 ms (4 lines)
D-Back Porch 0.578 ms (25 lines) 0.626 ms (22 lines) 0.607 ms (23 lines)
E-Active Time 11.093 ms (480 lines) 17.067 ms (600 lines) 15.840 ms (600 lines)
F-Front Porch 0.023 ms (1 line) 0.028 ms (1 line) 0.026 ms (1 line)
Sync Polarity (H/V) Negative/Negative Positive/Positive Positive/Positive