Question Display flickering at start-up

Jul 23, 2020
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Hello,

I am using NHD-7.0-800480EF-ASXN#-T display with iMX6QP processor and PAM2841GR led driver. The designed board for display meets all electrical and timing requirements on the datasheet. The display flickers or manufacturer's logo appears at start-up for 1-2 seconds then works fine. And I don't encounter this problem every time. I've checked all signals but couldn't find the reason. Which signals may cause this problem?

Need your helps, thanks
 

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