TouchGFX shows flicker on content update

Hi

we had made a custom STM32 board and we had some issues setting up TouchGFX.

Display parallel interface with 800 x 480 pixels Model - > AT070TN94

MCU: STM32H7B0VBT6

External Flash QuadSpi W25Q128JV

I use external Flash Boot Loader

LDTC Clock 32MHz

The images are displayed well until they are updated, but after the update, they have problems. The problem can be seen in the video below.

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