General Description
The SMSC USB2244/USB2244i is a USB 2.0 compliant, high speed Bulk Only Mass Storage Class Peripheral Controller intended for reading and writing to SD/MMC Flash Media Cards.
The SMSC USB2244/USB2244i is a fully integrated, single chip solution capable of ultra high performance operation. Average sustained transfer rates exceeding 35MB/s are possible if the media and host can support those rates. Provisions to read/write secure media formats is also provided.

General Features
*36-pin QFN (6x6mm) lead-free RoHS compliant package
*Hardware-controlled data flow architecture for all selfmapped media
*Pipelined hardware support for access to non-selfmapped media
*Product name with “i” denotes the version that supports the industrial temperature range of -40ºC to 85ºC
*Support included for secure media format on a licensed, customized basis — SD Secure

*Flash Media Card Reader/Writer
*Desktop and Mobile PCs
*Consumer A/V
*Media Players/Viewers
*Vista ReadyBoostTM
*Compatible with Microsoft Vista, Windows XP, Windows ME, Windows 2K SP4, Apple OSx, and Linux Mass Storage Class Drivers


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