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STM32F103RET High speed communication with SDcard!!!

eleman3
Associate

‎2016-08-12 5:26 AM

Posted on August 12, 2016 at 14:26

Hi 

I want to know if I can reach a writting speed of 3-4Mbytes/sec to MicroSD ?

Microcontroller is STM32F103RET.

Clock rate: 72MHz.

MicroSD 2-4G calss 10.

SDIO protocol.

If you have any same experience , please to help me.

#stm32f103ret-sdcard-sdio
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Tesla DeLorean
Guru

‎2016-08-12 10:23 AM

Posted on August 12, 2016 at 19:23

I think you're unlikely to achieve that level of performance in a sustained manner.

Writing is highly dependent on the card, the clocking speed of the interface, and the size and alignment of the blocks of data written.

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