NUC972DF62Y LCD FIFO Under-Run Interrupt

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Posts: 1
Joined: 30 May 2019, 18:03

30 May 2019, 18:30

I work with NUC972DF62Y and use LCM and GE2D module.
What causes to FIFO Under-Run Interrupt, and how I have to handle it?
After clearing UNDERRUN_INT flag, it set again.

Posts: 25
Joined: 20 Mar 2017, 13:25

23 Jul 2019, 23:21

There’s insufficient DDR bandwidth.
Please drop LCD pixel clock rate or use 16bpp instead of 24bpp.

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