59AppendixSpecifications (Conít)Preset Timing ChartItem Description:A Total timeB Active display area including bordersC Active display area excluding bordersD Left/Top borderE Right/bottom borderF Blanking timeG Front porchH Sync-widthI Back porchMode No 1 2 3 4 5 6 7 8 9H Resolution 640 640 640 640 800 800 800 800 800V Resolution 480 480 480 480 600 600 600 600 600Refresh Rate 60 72 75 85 56 60 72 75 85 HzPixel 25.175 31.500 31.500 36.000 36.000 40.000 50.000 49.500 56.250 MHzHorizontal visible 640 640 640 640 800 800 800 800 800 DotsHorizontal total 800 832 840 832 1024 1056 1040 1056 1048 DotsHorizontal front porch 16 24 16 56 24 40 56 16 32 DotsHorizontal sync 96 40 64 56 72 128 120 80 64 DotsHorizontal back porch 48 128 120 80 128 88 64 160 152 DotsHoriz blanking time 160 192 200 192 224 256 240 256 248 DotsVertical visible 480 480 480 480 600 600 600 600 600 LinesVertical total 525 520 500 509 625 628 666 625 631 LinesVertical front porch 10 9 1 1 1 1 37 1 1 LinesVertical sync 2 3 3 3 2 4 6 3 3 LinesVertical back porch 33 28 16 25 22 23 23 21 27 LinesVertical blanking time 45 40 20 29 25 28 66 25 31 LinesHorizontal frequency 31.469 37.861 37.500 43.269 35.156 37.879 48.077 46.875 53.674 KHzVertical frequency 59.940 72.809 75.000 85.008 56.250 60.317 72.188 75.000 85.061 HzVertical sync polarity - - - - + + + + + TTLHoriz sync polarity - - - - + + + + + TTL