40.2 Features
The following are key features of the SDHC module:
- Compatibility:
- SD Host Controller Standard Specification
- MultiMedia Card Specification
- SD Memory Card Specification
- SDIO Specification Version
- Support for 1-bit/ 4-bit SD/SDIO Devices
- Support for 1-bit/4-bit e.MMC Devices
- Support for SD/SDIO Default Speed (Maximum SDCLK Frequency = 25MHz)
- Support for SD/SDIO High Speed (Maximum SDCLK Frequency = 50MHz)
- Support for e.MMC Default Speed (Maximum SDCLK Frequency = 26MHz)
- e.MMC Boot Operation Mode Support
- Support for Block Size from 1 to 512bytes
- Support for Stream, Block and Multi-block Data Read and Write -Advanced DMA and SDMA Capability
- Internal 2 x 512, (1024) -byte Dual Port RAM
- Support for both synchronous and asynchronous abort
- Supports for SDIO Card Interrupt