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Drive dual displays from a single STM32F400 series MCU

luke23
Associate III

‎2018-01-08 10:07 PM

Posted on January 09, 2018 at 07:07

We are designing for an application having front and back-facing 7' displays.  I am keen to hear suggestions for running both displays from the same processor using using LTDC or display peripheral?

Both displays will have different images.

Resolution will be somewhere around 800 x 480 in each display, so relatively lo-res.

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T J
Lead
In response to luke23

‎2018-01-16 05:32 PM

Posted on January 17, 2018 at 01:32

That's a much better solution.

no CPU overhead to refresh the screen, its a huge difference in performance.

as many displays as you want. with a fast update.

otherwise, SPI is the best but the update speed is like 1000x slower than the 'MCU interface.'

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