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adv7604 autographic for 1280x768@75

Question asked by AndrewACL on Oct 8, 2012
Latest reply on Oct 11, 2012 by mattp

Hi all,

Our customer's requirement need 1280x768@75Hz video input which is not support by ADV7604 Primary Mode and Video Standard.

I follow autographic mode setting doc to set up 7604, but still not work to receive video data by AV code.

Here is my parameter for auto graphic mode.

Hope someone could give me suggestion.

Thanks.

 

System Clock28636363.00
Primary mode [5:0] 0b0010
VID_STD [3:0]0b00111
Pixel Clock102250000.00
Hsync60289.00
Dec
PLL Divider Ratio 1696.00
Free Run Line Length474.9848729
Interlace0
Total Line width1696
Hdisplay1280
Hblanking416
Hsync_Width128
Hsync_Back_Porch208
Hsync front porch80
Dec
CP_START_SAV332
CP_START_EAV1616
Field 1_Total_Line804
Field 2_Total_Line0
Lcount_max=Total number line =  Field1+Field2804
Sync_front_proch field13
Sync_front_proch field20
Vsync_field width17
Vsync_field width20
Vsync back proch field 127
Vsync back proch field 20
Dec
CP_START_VBI802
CP_END_VBI35

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