How to improve GPIO frequency

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How to improve GPIO frequency

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linhaiboyy
Contributor II

I am working on Mx6q,I want to use GPIO Simulation time sequence, but the frequency maximum reach  500K.How can I configure GPIO work faster ?

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi

there is no simple way as toggle speed depends on internal

delays. Some customers succeeded enabling MMU, L2 cache,

and set the mmu entry that cover the GPIO_DR address of Device type.

It may be useful to check

imx6 running slow 

Best regards
igor
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