36.4 Signal Description
| Signal Name | Type | Description |
|---|---|---|
| SDCD | Input | SD Card / SDIO /e.MMC Card Detect |
| SDCMD | I/O | SD Card / SDIO /e.MMC Command/Response Line |
| SDWP | Input | SD Card Connector Write Protect Signal |
| SDCK | Output | SD Card / SDIO /e.MMC Clock Signal |
| SDDAT[3:0] | I/O | SD Card / SDIO /e.MMC data lines |