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15 lines
595 B
Markdown
15 lines
595 B
Markdown
# DMA eMMC USB mass storage class device demo STM32L476RET6
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IMPORTANT: Clock is configured for a 16 MHz crystal.
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Example of how to use the SDIO/SDMMC peripheral in 4-bit wide mode with USB mass storage class with DMA transfers.
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Read my post about setting this up on my website:
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[https://www.petertanner.dev/posts/Debugging-STM32-USB-Mass-Storage-Class-Device/](https://www.petertanner.dev/posts/Debugging-STM32-USB-Mass-Storage-Class-Device/)
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## Example benchmark
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_Wow this performance is terrible... but at least I got it working or something_
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