STM32U5A9J-DK1 UsbX Device MSC standalone + SDMMC DMA transfer speed
Hi all,I want to use the EMMC as USB storage space.After connecting to the computer and successfully formatting, I found that the file transfer speed is very slow (write speed is 1-2 Mb/s, read speed is 2-6 Mb/s).After enabling DMA, the speed still h...