QII 9.0 SP2
I have a a clipped image that is 720 x 480p @60Hz, RGB, that I have feeding the Interlacer and then Clocked Video out. My task is to generate "480i". I have the CVO configured as follows:
Interlaced
F0 Sample Count = 720
F0 Line Count = 240
F1 Sample Count = 720
F1 Line Count = 240
HFP = 16
HSync = 62
HBlank = 138
VFP = 2
VSync = 3
VBlank = 19
F0VFP = 3
F0VSync = 3
F0VBlank = 20
APLine = 21
FRising = 264
FFalling = 1
My first question is what should the Pixel Clock frequency be when reading out of CVO? In my past dealings with "480i" I've used 27MHz. When I use 27MHz here my Vsyncs look correct at 16.67ms but I get 525 lines in between the VSyncs and the line rate is 31.6us. If I lower the Pixel Clock to 13.5MHz the Horzontal period looks correct - 63us - but now my vertical period is too wide at 33.3ms.
So it looks like the Interlacer or the interlace function on the CVO is not working. I wanted to at least try to find out if anyone else has done this so I can get the clock correct.
I have not looked at the control packets yet to see what's going on the there - that's next I suppose.
If anyone has any ideas I'd appreciate them - thanks.
