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Can FMC_NOE used as Clock?

Question asked by Gao.Benjamin on Jun 27, 2016
Latest reply on Jun 28, 2016 by Rygel.Troy1818
Hello eveyone.

I'm using a STM32F746 to drive two AD7606s under FMC NOR-flash mode, to read the AD's data, i need to put a nRD signal into the AD7606, and FMC_NOE is chosen for it. The nRD signal shall be 15ns low and 16ns high, i don't know if FMC_NOE under FMC mode is capable to reach  such a high freq. Also this come to me with a question that if any GPIO pin in any mode can reach the highest freq(like 260MHz) in STM32F746 ?

Thanks a lot~