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Display Refresh Issue in custom PCB

Balavardhi
Associate II

Hi,

We have created a custom PCB for our project using STM32L4R9ZI. We are using 390*390 AUO Display.

Previously I used STM32L4+ Discovery board for evaluation and by taking that as a base code I made display working in our PCB. Normally display is working fine. But when i do cover transition, certain pixels on the Top side of the display will always lags while displaying.

I have attached a video that shows the issue. Only top side, pixels are always giving that delay while displaying. To see the issue, i have given transitionSteps as 70 in Cover transition logic.

Please help to solve the issue.

Thanks and Regards,

Bala

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