SPRUJB6B November 2024 – May 2025 AM2612
Table 13-252 summarizes the MMC/SD/SDIO hardware status features.
| Feature | Type | Register/Bit Field/Observability Control | Description |
|---|---|---|---|
| Interrupt flags | See Section 13.3.3.3.4. | ||
| CMD line signal level | Status | [24] CLEV | Indicates the level of the cmd line |
| DAT lines signal level | Status | [23:20] DLEV | Indicates the level of the data lines |
| Buffer read enable | Status | [11] BRE | Readable data exists in the buffer. |
| Buffer write enable | Status | [10] BWE | Indicates whether there is enough space in the buffer to write BLEN bytes of data |
| Read transfer active | Status | [9] RTA | This status is used for detecting completion of a read transfer. |
| Write transfer active | Status | [8] WTA | This status indicates a write transfer active. |
| Data line active | Status | [2] DLA | Indicates whether the data lines are active |
| Command Inhibit (data lines) | Status | [1] DATI | Indicates whether issuing of command using data lines is allowed |
| Command inhibit (CMD line) | Status | [0] CMDI | Indicates whether issuing of command using CMD line is allowed |