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Analog timing mode table

mode 1 2 3 4 5

signal name symbol text Dos-text VGA MAC 14" VGA

H-frequency(khz) 31.468 31.468 31.468 35 37.862

V-frequency(hz) 70.087 70.077 59.941 66.667 72.807

Pixel rate(mhz) 25.175 28.327 25.175 30.24 31.501

H-sync Ths 96 108 96 64 40

H-back porch Thb 48 54 48 96 128

H-total Thd 800 900 800 864 832

H- front porch Tv 16 18 16 64 24

V-sync Tvs 2 2 2 3 3

V-back porch Tvb 60 35 33 39 28

V-total Tvd 449 449 525 525 520

V-front porch Tvf 37 12 10 3 9

H-sync. Polarity Positive Negative Negative Negative Negative

V-sync Polarity Negative Positive Negative Negative Negative

H-resolution(dots) 640 720 640 640 640

V-resolution(lines) 350 400 480 480 480

mode 678910

signal name symbo VGA

VESA-VGA

SVGA SVGA SVGA

H-frequency(khz) 37.5

43.269

35.156 37.879 48.077

V-frequency(hz) 75

85.005

56.25 60.317 72.188

Pixel rate(mhz) 31.5

36.000

36 40 50

H-sync Ths 64

72 128 120

H-back porch Thb 120

128 88 64

H-total Thd 840

832

1024 1056 1040

H- front porch Tv 16

24 40 56

V-sync Tvs 3

246

V-back porch Tvb 16

22 23 23

V-total Tvd 500

509

625 628 666

V-front porch Tvf 1

1137

H-sync. Polarity Negative

Negative

Negative Positive Positive

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VG800b