"ARM9 embedded system design through-train" - Chapter VIII Pan read MMC / SD / SDIO controller study notes

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Chapter VIII MMC / SD / SDIO controller

8.1 Overview

MMU(Memory Management Unit)It refers to a memory manager unit . itsThe main functionHave:

  • The virtual addresses are mapped to a physical address;
  • Provide hardware mechanisms of memory access authorization.

S3C2440A responsible for memory management is MMC / SD / SDIO controller .
MMC / SD / SDIO module

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Origin blog.csdn.net/qq_38210354/article/details/93191798