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Hello, I designed a custom graphics driver with FPGA. MCU is 100 pin stm32h750 with QSPI 16 mb flash, have only internal ram, it run 480 mhz. MCU to FPGA indirect 16 bit FMC bus. (STEMWIN flexcolor driver, like SSD1963)FPGA have 32 mb SDRAM, 720x480 pixels 60 hz HDMI out. FPGA (SDRAM) to HDMI works very well. So, i have a two problem;1- when i use cached GUIDRV_FLEXCOLOR_M16C1B16 and GUI_SetRefreshHook(_RefreshHook) if my draw greater then 130x130 pixels screen begin to flickering. Because VSYNC…