12. Secure digital memory control(SD_CTL)

The system’s SD card host controller can support SD/MMC card devices.

1. SD memory Card Spec (Ver2.0) / MMC Spec (Ver4.3) compatible.

2. CRC7 and CRC16 Generator.

3. Support Interrupt and DMA Data transfer mode.

4. Support 1-bit or 4-bit data bus width.

5. Support up to 50MHz in data transfer mode for SD.

6. Support up to 50MHz in data transfer mode for MMC.