Questions tagged [emmc]

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eMMC power-on write protection and SATA

The power-on write protection of eMMCs, once enabled, can only be cleared by resetting or power-cycling the chip. This is great for creating a trusted computing base that later software stages cannot ...
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STM32 in emmc-slave role. DMA transfer by both edges of external clock

I want to implement emmc protocol in a device role with STM32 (for now I've had ST-Nucleo-F767ZI and ST-Nucleo-F429ZI dev boards). Idea is to have a bridge to real emmc with STM32 as an adapter. STM32 ...
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SATA to mmc with custom FW

I want to minimize the price of the device (board) with the next functionality: it connects to M2 and supports SATA to internal emmc memory (access to memory through functional block). That functional ...
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106 views

How different are the eMMC and SD Card protocols?

The eMMC protocol is freely available on the JEDEC website. The SD Card (4-bit) protocol is not publicly available. Many sources imply compatibility between SD Cards and eMMC, apart from differing bus ...