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VESA Signal 640 x 350 @ 85 Hz timing

General timing

Screen refresh rate 85 Hz

Vertical refresh 37.860576923077 kHz

Pixel freq. 31.5 MHz

Polarity of horizontal sync pulse is positive.

Scanline part Pixels Time [µs]

Visible area 640 20.31746031746

Front porch 32 1.015873015873

Sync pulse 64 2.031746031746

Back porch 96 3.047619047619

Whole line 832 26.412698412698

Polarity of vertical sync pulse is negative.

Frame part Lines Time [ms]

Visible area 350 9.2444444444444

Front porch 32 0.84520634920635

Sync pulse 3 0.079238095238095

Back porch 60 1.5847619047619

Whole frame 445 11.753650793651