The general features of the MMCSD host controller IP are:
- Built-in 1024-byte buffer for read or write
- Two DMA channels, one interrupt line
- Clock support
- up to 384Mbit/sec (48MByte/sec) in MMC mode 8-bit data transfer
- up to 192Mbit/sec (24MByte/sec) in High-Speed SD mode 4-bit data transfer
- up to 24Mbit/sec (3MByte/sec) in Default SD mode 1-bit data transfer
- Support for SDA 3.0 Part A2 programming model
- Serial link supports full compliance with:
- MMC command/response sets as defined in the MMC standard specification v4.3.
- SD command/response sets as defined in the SD Physical Layer specification v2.00
- SDIO command/response sets and interrupt/read-wait suspend-resume operations as defined in the SD part E1 specification v 2.00
- SD Host Controller Standard Specification sets as defined in the SD card specification Part A2 v2.00