The SAM4S Xplained Pro kit has one SD card connector which is
connected to High Speed Multimedia Card Interface (HSMCI) of the SAM4S.
Table 4-8. SD Card Connections| SAM4S pin | Function | SD card function | Shared functionality |
|---|
| PA26 | MCDA2 | DAT2 | SPARE Signal and PIOD Interface headers |
| PA27 | MCDA3 | DAT3 | SPARE Signal and PIOD Interface headers |
| PA28 | MCCDA | CMD | SPARE Signal and PIOD Interface headers |
| PA29 | MCCK | CLK | SPARE Signal and PIOD Interface headers |
| PA30 | MCDA0 | DAT0 | PIOD Interface header |
| PA31 | MCDA1 | DAT1 | SPARE Signal and PIOD Interface headers |
| PC12 | GPIO | Card Detect | |
