SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
Figure 27-39 shows the read and write protocol in DMA mode.
Figure 27-39 eMMC/SD/SDIO Controller Read/Write Transfer Flow in DMA Mode With Polling| Register Name | Register Name | Register Name |
|---|---|---|
| MMCHS_PSTATE | MMCHS_STAT | MMCHS_SYSCTL |
| MMCHS_CMD | MMCHS_AC12 |
| Subprocess Name | Cross-Reference |
|---|---|
| Send command. | See Section 27.5.1.2.1.7.1, Command Transfer Flow. |
| Perform DATA lines reset. | See Section 27.5.1.2.1.2.1, DATA Lines Reset Procedure. |