SPRUJ17H March 2022 – October 2024 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1
The MMC/SD/SDIO controller can be interfaced with a DMA controller. At system level, the advantage is to discharge the local host (LH) of the data transfers. The module does not support wide DMA access (above 1024 bytes) for SD cards as specified in the SD Card Specification and SD Host Controller Standard Specification.
The DMA request is issued if the following conditions are met: