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VESA Signal 640 x 480 @ 100 Hz timing

General timing

Screen refresh rate 100 Hz

Vertical refresh 50.896226415094 kHz

Pixel freq. 43.16 MHz

Polarity of horizontal sync pulse is negative.

Scanline part Pixels Time [µs]

Visible area 640 14.828544949027

Front porch 40 0.92678405931418

Sync pulse 64 1.4828544949027

Back porch 104 2.4096385542169

Whole line 848 19.647822057461

Polarity of vertical sync pulse is positive.

Frame part Lines Time [ms]

Visible area 480 9.4309545875811

Front porch 1 0.019647822057461

Sync pulse 3 0.058943466172382

Back porch 25 0.49119555143652

Whole frame 509 10.000741427247