Intel® Agilex™ Hard Processor System Technical Reference Manual

ID 683567
Date 2/14/2023
Public

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2.2.8.2. SD/MMC Controller

The Secure Digital (SD), Multimedia Card (MMC), (SD/MMC) and CE-ATA host controller is based on the Synopsys® DesignWare* Mobile Storage Host controller and offers the following features:

  • Supports eMMC
  • Integrated descriptor-based DMA
  • Supports CE-ATA digital protocol commands
  • Supports only single card
    • Single data rate (SDR) mode only
    • Programmable card width: 1-, 4-, and 8-bit
    • Programmable card types: SD, SDIO, or MMC
  • Up to 64 KB programmable block size
  • Supports up to 50 MHz flash operating frequency
Note: For an inclusive list of the programmable card types and versions supported, refer to the SD/MMC Controller chapter.