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DRA718: VIP module receive non-standard BT.656

Part Number: DRA718

Hi:

 

         Now, we need to use VIP module to receive BT.656 signal.

 

         However, the BT.656 signal is non-standard.


        The blank area of the non-standard BT.656 is less than the value in standard BT.656,  where the blank clocks less than 256 clocks.


eg:  720P@30fps   8-bit YUYV timing:


In standard BT656 Timing:

Horizontal active pixel per line : 1280

Horizontal clocks per line in BT.656 Mode: 2560

Horizontal bank pixel per line :   370

Horizontal blank clocks per line:740

Horizontal clocks per line in BT.656 Mode : 3300.

Vertical active lines per frame :720

Vertical bank lines per frame : 30

Pixel Clock 74.25M .


In Non-Standard BT656 Timing

Horizontal active pixel per line : 1280

Horizontal clocks per line in BT.656 Mode: 2560

Horizontal bank pixel per line :    < 128

Horizontal blank clocks per line:  < 256

Horizontal clocks per line in BT.656 Mode : 3300.

Pixel Clock < 74.25M .

We need to confirm if the VIP module could support this non-standard BT.656