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Core Benefits
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To give the latest SD specification version support SD 3.0
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To enable memory storage (SD memory card) and memory input/ output (SDIO card) features in the product
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Host controller for SD/SDIO cards where the processor in the platform doesn’t support SD/SDIO interface
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To increase the number of SD/SDIO interface support in the platform
Deliverables
- Design document
- RTL Verilog synthesizable code
- Verification environment
- Detailed user guide
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iW-SDXC Host Controller
iW-SDXC Host controller is compatible with the SD Physical Layer specification V3.0. The core supports 32 bit AHB LITE Host interface working at SOC interface frequency. The Host interface is compatible with the standard register set for the host controller as per SD host controller specification Version 3.0.
Features
- Supports standard register set for the host controller
- Supports 32 bit AHB LITE synchronous Host interface working at SOC interface frequency.
- 1-bit/4-bit modes of SD/SDIO supported.
- Supports following UHS –I modes of operations.
- DS – Default speed mode upto 25MHz 3.3V signaling
- HS – High Speed mode upto 50MHz 3.3V signaling
- SDR12 – SDR upto 25MHz 1.8V signaling
- SDR25 – SDR upto 50MHz 1.8V signaling
- SDR50 – SDR upto 100MHz 1.8V signaling
- DDR50 – DDR upto 50MHz 1.8V signaling
- One data Transmit FIFO with 32-bit write width and 256 depths.
- One data Receive FIFO with 32-bit read width and 256 depths.
- SDIO Interrupts, Suspend/Resume Operation and SDIO Read Wait Operation are supported.
- Buffers to store the response received.
- Command buffers to store command index and argument.
- Timeout monitoring for response and data operation.
- Card detect and removal monitoring using debouncing logic.
- Supports various clock frequencies such as 25MHz, 50MHz, 100MHz required for SD/ SDIO operations. Operating frequency configurable through registers.
- CRC generation / checking supported for both command and data transactions.
- Compliant with SD specification version 3.0
For further details, contact mktg@iwavesystems.com |
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