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Hi Sven, Thanks for your reply. I will have a look at the file you mentioned. As you said, I might look at SDRAM for the entire emWin. I have a big application to write ahead with ethernet, usb, fatfs, sdcard etc.. I might come back later with more questions :) . A.

Hi, I am new to emWin and I'd like to have some information. 1) Do we need external SDRAM for frame buffer? if, yes how to calculate the size required? 2) I found a bit difficult to understand what functions should be implemented by the user. I am using a 10.1" display with RGB interface. I will use the LTDC module in ST. Is there a file showing user's functions that need to be implemented? 3) Is there a diagram showing how the emWin lib is working? like init functions, periodic functions and ca…