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How to set stm32f407 sdio to 48Mhz?

Question asked by soheili.mehdi on Feb 25, 2017
Latest reply on Feb 25, 2017 by Clive One

hi 

i want use sdio as 8bit mode and 48Mhz but i try to do this and i saw max 25Mhz on clk line for sdio port.

how can i set sdio as 8bit-48Mhz mode?

tnx for replay

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