Arasan Chip Systems Introduces MMC/eMMC 4.5 Host Controller IP

First eMMC Host Controller to support new high speed standard

San Jose, California - June 16, 2011 - Arasan Chip Systems, Inc. ("Arasan"), a leading provider of Total IP Solutions, announced today the introduction of its MMC/eMMC 4.5 Host Controller IP product.  Arasan's MMC/eMMC 4.5 Host Controller is the first to support the new specification, released by JEDEC, that is designed to meet requirements for secure yet flexible program code and data storage for consumer electronic products.  The MMC/eMMC 4.5 standard was approved June 9, 2011.


With its low-pin count, high bandwidth and multiple boot mechanisms, eMMC 4.5 greatly simplifies design for systems employing non-volatile storage.    Arasan's Host Controller IP implementation of the eMMC 4.5 specification facilitates higher system level performance in order to meet the increasing demands of consumer electronic devices.   Arasan's SD3.0/eMMC 4.5 Controllers are offered as a Total IP solution including RTL Host Controller IP, Software Stack, Hardware Development Board, Verification IP and ESL models.

Arasan's eMMC 4.5 Host Controller offers important new features enabling superior consumer products including:

  •  Higher bandwidth - eMMC 4.5 improves the performance of consumer devices by supporting 1.6Gb/sec operation at 200 MHz, which doubles the bandwidth of the previous generation devices.
  • Larger sector size - Arasan's implementation supports read and write operations up to 4KB sectors as specified in the standard, further improving system level performance.
  • Automatic Transmission Parameter Tuning - Arasan's eMMC 4.5 Host and Device Controller IP automatically and periodically conduct transmission parameter tuning to ensure that temperature and electrical variations in the transmission path do not degrade system performance.
  • e 2 MMC support - Arasan's implementation supports the new e 2 MMC feature of the specification, which uses a cache to further improve system performance.

"Building on our extensive experience and compliance testing with SD/SDIO and eMMC standards, we were able to quickly create a Host Controller compliant with the new standards, enabling our customers to immediately take advantage of the new, higher performance capability", said Prakash Kamath, Vice President Engineering.

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