Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 4/01/2024
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

5.4.6.3. DMA Operation

The SD host controller supports three DMA modes:

  • SDMA – Defined in SD Host Controller Standard Specification Version 1.00
  • ADMA2 – Defined in SD Host Controller Standard Specification Version 2.00
  • ADMA3 – Defined in SD Host Controller Standard Specification Version 4.20
Note:
  • The ADMA1, defined in SD Host Controller Standard Specification Version 2.00, became obsolete and it is not supported by the SD host controller.
  • This section only contains an overview of how the DMA modes operate. Refer to the SD Host Controller Standard Specification Version 4.20 for full details.