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How to increase speed for SD card using SPI in FRDM-K20D50M board?

Question asked by Amit Kumar on Nov 12, 2013
Latest reply on Nov 12, 2013 by Amit Kumar

Hello

I am trying to store some counting values to check the speed of data storage in SD card so for 1 minute the counter is showing values upto 327. Which I think is less for my use, I need to increase the speed how can it be done? I am attaching the snapshot of speed setting for the SD card library.

 

and that of clock setting is

 

 

 

After all effort the maximum speed I could get is around 25 Mhz in place of 24 MHz. Kindly look into the matter.

 

Thanks & Regards

Amit Kumar

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