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adv7842 decimation

Question asked by JustinH on Jun 26, 2015
Latest reply on Jun 29, 2015 by JustinH

Hello,

 

Is it possible to configure the adv7842 to decimate all 50fps and 60fps inputs to 25fps and 30fps respectively? Our host processor is only interested in handling 30fps maximum (and is limited to a 120 MHz pixel clock, so it couldn't handle 1080p50/60 anyway), so decimating at the adv7842 would prevent skipping frames on the host side.

 

It looks like there are a few decimation modes built into the selection of PRIM_MODE[3:0] and VID_STD[5:0], but they look somewhat incomplete. Am I missing something?

 

Thanks,

 

     -Justin

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