| SDIO Slave Controller |
- Compliant with SD Physical Specification Version 3.00 and SDIO Specification Version 3.00
- Supports 1-bit and 4bit SD modes
- Supports SDIO Interrupt feature
- Supports all mandatory SDIO Commands/Response types
- SPI Mode: CMD0, CMD5, CMD52, CMD53, CMD59
- SD Mode: CMD0, CMD3, CMD5, CMD7, CMD52, CMD53
- CRC7 checking/generation for Command/Response
- CRC16 checking/generation for Data transfer
- Supports SDR12, SDR25, SDR50 and SDR104** Mode of operation
- Supports only 1.8V or 3.3V SDIO Voltage. SDIO voltage switching is not supported
- Data Transfer in Multi Byte and Multi Block mode using CMD53
- 8-bit Wishbone interface with constant burst, Wishbone Specification- B3 supported
- Function0 and Function1 supported
- SDIO only implementation, Combo card features are not supported
- Optional Code Storage Area (CSA) is not supported
- Suspend/Resume Features not supported
- DDR50 mode is not supported
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| Highlights |
- Compliant with SD Physical Specification Version 3.00 and SDIO Specification Version 3.00
- Controller handles SD bus protocol on the card interface and provides simplified interface to user logic
- Controller handle all the housekeeping tasks by itself without user logic intervention
- Supports multiple interfaces such as AXI, Avalon and Wishbone towards user side
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