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DM355 - SD write speed

Hello,

We have a custom board with a SD card slot. We are currently writting data buffers from SDRAM to the SD card.

We ran some tests with different SD card type and found very slow writting data rates.

ie : 4 GB SDHC card from Sandisk, 115 MB data file written in 104 sec

We are using the SD / MMC driver from Arago project and are wondering if there is a way to improve writting speed ?

Thanks a lot for your help

Kind regards