•Increases SD memory card interface performance to 312MB/s •Fastest IP solution available today, supporting Default, High and Ultra-High Speeds •Supports both removable and embedded memory
The SD 4.0 Host Controller IP core can support both removable and embedded memory devices. To achieve optimal performance, an advanced scatter-gather direct memory access (DMA) engine is integrated into the IP core along with configurable ping-ping data buffers and a dual-buffer option. To achieve low-power operation, the SD 4.0 Host Controller IP core is architected to allow users to independently switch on and off the master SD card clock and the memory card clock, thus saving power. Designed for ease of use and flexibility, the IP core has a standard AMBA® AXI™ master interface for DMA operation and a separate AMBA AHB™ slave interface for CPU configuration. The SD 4.0 Host Controller IP core also supports standard Linux drivers for SD Host.
The SD standard is the most widely adopted interface in the consumer market, and is commonly used in applications such as cameras, mobile phones, tablets and general consumer products. As a critical component for the success of consumer products, file transfer times play an increasing factor in the customer experience, driving the need for faster speed and design innovation. The SD Specification Version 4.0 helps achieve optimal performance. More information is available here.
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