Which model TFT (hopefully a 2.4") has double buffering?

dfansler

I am working on a project where I update data on the LCD.  While I am running an AT32UC at 66MHz (240MHz internally), the update of the screen is why too noticeable.  I saw in a previous post that to be write to the display and then have it update is called double buffering.  

My question is what is the lowest cost (hopefully 2.4") TFT display that has parallel interface that supports double buffering?

Kind regards,

David

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  • Engineering Support
    Community moderator

    Hi David,

    Unfortunately, many of our displays do not support double buffering as this requires additional memory and increases the overall cost.  My suggestion for improving the write speed would be to use our EVE2 displays and implementing the Swap command.  The Swap command does not swap a full image, but rather swaps a command buffer so that all display list commands in the buffer are executed at once.

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