40.5 Signal Description
| SignalName | Type | Description |
|---|---|---|
| SDHCx_SDCD | Digital Input |
SD Card / SDIO /e.MMC Card Detect (Requires 10k to 100k external pull-up) |
| SDHCx_SDCMD | Digital I/O |
SD Card / SDIO /e.MMC Command/Response Line (Requires 10k to 100k external pull-up) |
| SDHCx_SDWP | Digital Input |
SD Card Connector Write Protect Signal (Requires 10k to 100k external pull-up) |
| SDMMC CK | Digital Output | SD Card / SDIO /e.MMC Clock Signal |
| SDHCx_SDDAT[3:0] | Digital I/O |
SD Card / SDIO /e.MMC data lines (Requires 10k to 100k external pull-up) |
Note:
This product supports up to two, (i.e. x=0,1),SDHC controllers. Refer to the Pinout for details on the pin mapping for this peripheral.