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Hi everyone, i'm working with the stm32f4 lcd module and i realized that whenenever i try to read the screen (actually the ram memory) some data are repeated. For example, after read and write the memory i dont have the same picture despite having done any kind of processing. This is solve just adding a delay function between each reading. I've tryed working with dma and I am having the same issue.
I would really preciated any help. Best regards
So you'd probably want to start by reviewing the SSD2119 controller documentation, and the FSMC settings on the F4, confirming those, and determining the maximum supported bandwidth