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USB2244 Datasheet(PDF) 1 Page - SMSC Corporation |
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USB2244 Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 22 page  SMSC USB2244/USB2244i DATASHEET Revision 1.0 (05-27-08) Datasheet PRODUCT FEATURES USB2244/USB2244I Ultra Fast USB 2.0 SD/MMC Flash Media Controller 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 self- mapped media Pipelined hardware support for access to non-self- mapped 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 Hardware Features Single Chip Flash Media Reader/Writer — Secure Digital 2.0 – HS-SD, HC-SD, TransFlash™ and reduced form factor media — MultiMediaCard Specification 4.2 – 1/4/8 bit MMC SDIO and MMC Streaming Mode support Extended configuration options — Socket switch polarities, etc. Media Activity LED GPIO configuration and polarity — Up to 8 GPIOs for special function use: LED indicators, power control to memory devices, etc. The number of actual GPIO’s depends on the implementation configuration used. — One GPIO with up to 200 mA drive On Board 24MHz Crystal Driver Circuit Internal Card Power FET — 200mA — "Fold-back" short circuit current protected 8051 8-bit microprocessor — 60MHz - single cycle execution — 64KB ROM; 14KB RAM Internal Regulator for 1.8V core operation Optimized pinout improves signal routing, easing implementation and allowing for improved signal integrity Mask Programmable Features VID/PID/Language ID 28-character Manufacturer ID and Product string 12-hex digit (max) Serial Number string Customizable Vendor specific data LED blink interval or duration Software Features Optimized for low latency interrupt handling Reduced memory footprint Please see the USB2244/USB2244i Software Release Notes for additional Software Features. Applications Flash Media Card Reader/Writer Printers 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 |
Similar Part No. - USB2244 |
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Similar Description - USB2244 |
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