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CSI transfer rates and limitations

Question asked by Dennis Muhlestein on Feb 7, 2020
Latest reply on May 15, 2020 by Dennis Muhlestein



I'm working with a custom camera on an imx8mq board.  I see in the specs for the imx8 that we can do 1080p@30 which is working fine for me.  Other sensors on evaluation boards for the imx8 that I've looked at that go to 4k must go down to 15 fps.  I'd like to more understand where the limitation is.  


I understand from other posts that the mipi-phy could support 4k@30 data rates but that the imx8 can't support it.  I'd like to better understand which component has the limitation and what it's capabilities are so that I can support some resolution larger than 1080p but still maintain 30fps.  I don't need to get all the way to 4k.


If someone can shed light on where to find the pipeline specs that better describe this process I'd much appreciate it.