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For many years, SD cards have been the de facto standard in the industry for data storage. It is a flash-based memory card well known for its high capacity, compact package, and security. SD cards are used in thousands of products, including digital cameras, smartphones & tablets, and other portable devices.
SD/SDIO Host Controller IP Core allows an embedded system to access an SD card or SDIO device via I/O pins of the FPGA and enables easy integration with the rest of the system. It acts as a mediator between a processor and an SD card enabling the command and data communication between the SD driver and SD card.
The iWave SD/SDIO Host Controller IP is fully compliant with SD Host Controller Specification Version 3.0 and Physical Layer Specification Version 3.0. It enables the host to access SD memory cards or SDIO devices. The IP has native support for all SD/SDIO commands and supports SD, MicroSD, SDHC, SDXC, and SDIO cards.
Following is the block diagram of SD/SDIO Host Controller 3.0 IP, which consists of the following main blocks:
The SD Host Controller IP supports default speed, high-speed and operations up to 104Mbps and 1-bit and 4-bit SD transactions. The built-in 2KB data buffer enables efficient communication with the host processor at low interrupt latency.
Key features of the SD/SDIO Host Controller are
Benefits
The SD Host Controller IP is developed in Verilog HDL and validated on multiple FPGA platforms including Xilinx, Intel, Lattice, and Microchip. Check out the resource utilization document for more information.
The SD Host Controller IP is available in two variants
iWave offers a complete IP solution for its SD/SDIO Host Controller IP consisting of RTL code or netlist, synthesis scripts, test environments, and comprehensive documentation, all backed by its world-class customer support.
For more information, please contact mktg@iwavesystems.com.
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