STM32F103RET High speed communication with SDcard!!!

[eleman3]

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

[Tesla DeLorean]

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.