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Controller IP supports ultrahigh-speed SD operation

Posted: 31 Aug 2009 ?? ?Print Version ?Bookmark and Share

Keywords:secure digital card? controller IP? NAND flash?

Arasan Chip Systems Inc. announced the availability of a Secure Digital eXtended Capacity (SDXC) Card Controller IP compliant with the latest SD Memory Specification v3.0. The card controller supports Ultra-High Speed I (UHS-I) operation and incorporates all standard security features.

The SDXC standard specifies cards with a maximum capacity of up to 2Tbyte and bandwidth that scales up to 104MBps (UHS-I) in this version. This increase in capacity and bandwidth will enable consumers to store, download and share higher resolution multimedia content using the familiar SD card form-factor. Card manufacturers can use SDXC to leverage the rapid advances in NAND flash technology to bring these high performance cards to market. This will enable SDXC to accelerate the introduction of cutting edge multimedia features into devices such as mobile phones, digital cameras and camcorders thereby enriching the user experience.

With this release, Arasan continues to demonstrate its commitment to being the first to deliver SD IP. "The performance and capacity offered by SDXC memory cards are a discontinuous innovation and will enable a new generation of ultra portable consumer electronics and multimedia devices," said Somnath Viswanath, product marketing manager at Arasan. "By integrating Arasan's SDXC Card Controller IP, memory card designers can be the first to offer SDXC memory cards that will span several generations of such consumer products."

Arasan's SDXC Card Controller IP is capable of both DDR (50MBps) and SDR (up to 104MBps) operation. It has built-in hardware support for multiple data protection schemes such as mechanical switch-based, password, temporary or permanent write protection. The IP supports newer SDXC commands via the Switch Function Command. It also incorporates CRC checking to validate transactions on the SD memory card bus.

Arasan provides a "Total IP Solution" for its SDXC Card Controller IP Core including RTL source code, synthesis scripts, test environment and documentation all backed by world-class customer support.

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