SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
Figure 25-36 and Figure 25-37 show the card detection, identification and selection process.
Figure 25-36 eMMC/SD/SDIO Controller Card Identification and Selection – Part 1
Figure 25-37 eMMC/SD/SDIO Controller Card Identification and Selection – Part 2| Register Name | Register Name | Register Name |
|---|---|---|
| MMCHS_CON | MMCHS_CMD | MMCHS_STAT |
| MMCHS_SYSCTL | MMCHS_RSP10 |
Table 25-29 lists the subprocess call summary.
| Subprocess Name | Cross-Reference |
|---|---|
| Initialize module. | See Section 25.5.1.1.2 , eMMC/SD/SDIO Host Controller Initialization Flow. |
| Change clock frequency to fit protocol. | See Section 25.5.1.2.1.7.2, MMCHS Clock Frequency Change. |
| Send a command. | See Section 25.5.1.2.1.7.1, Command Transfer Flow. |
| Perform CMD line reset. | See Section 25.5.1.2.1.1.1, CMD Line Reset Procedure. |