Doing now and STM32F469i discovery program, according to the reading CAN - Bus data to display data on the screen, and design a simple UI interface, when doing the program on found screen refresh will be flashing, I personally think that may be a MCU HCLK frequency is too low, so I want to improve frequency,
Before using the STM32CubeMX HCLK frequency is 80 MHZ, TFT LCD frequency 18 MHZ is now the goal is changed to 180 MHZ, LCD TFT 25 MHZ
Improve the frequency, the split screen and the screen color is not accurate, refresh the flashing disappear
Because it is a new entry-level newcomers, please bosses to give directions, if there is a very low-level mistakes, please forgive me, this is where LTCD or clock tree parameters out of the question? Used by software STM32CubeMX and SW4STM32, here attach a screenshot before before and no change is


Scintillation screen screenshots, because can't send video, so a frame of a frame of found the time flashing