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SMSC Corporation - (USB2240 / USB2241) Ultra Fast USB 2.0 Multi-Format Flash Media Controller

Numéro de référence USB2240
Description (USB2240 / USB2241) Ultra Fast USB 2.0 Multi-Format Flash Media Controller
Fabricant SMSC Corporation 
Logo SMSC Corporation 





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USB2240 fiche technique
USB2240/USB2241
Ultra Fast USB 2.0 Multi-Format
Flash Media Controller
PRODUCT FEATURES
Datasheet
General Description
The SMSC USB2240/USB2241 is a USB 2.0 compliant, high
speed Mass Storage Class Peripheral Controller intended for
reading and writing to more than 20 popular flash media
formats from the xD Picture CardTM (xD)1, Memory StickTM
(MS), Secure Digital (SD), and MultiMediaCardTM (MMC)
families.
The SMSC USB2240/USB2241 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.
General Features
„ 36-pin QFN lead-free RoHS compliant package
„ Targeted for applications in which single or "combo"
media sockets are used
„ Hardware-controlled data flow architecture for all self-
mapped media
„ Pipelined hardware support for access to non-self-
mapped media
Hardware Features
„ Single Chip Flash Media Controller with multiplexed
interface for use with “combo” card sockets
— Memory Stick Specification 1.43
www.DataSheet4U.coMmemory Stick Pro Format Specification 1.02
— Memory Stick Pro-HG Duo Format Specification 1.01
– Memory Stick, MS Duo, HS-MS, MS Pro-HG, MS Pro
— xD Picture Card 1.2
— 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
— xD player mode operation
— 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
„ Optional external 24MHz clock input
„ 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 USB2240/USB2241 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
1.) xD Picture Card not applicable to USB2241
SMSC USB2240/USB2241
DATASHEET
Revision 2.6 (05-08-08)

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