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USB2241

Description
Ultra Fast USB 2.0 Multi-Format Flash Media Controller
File Size476KB,28 Pages
ManufacturerSMSC
Websitehttp://www.smsc.com/
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USB2241 Overview

Ultra Fast USB 2.0 Multi-Format Flash Media Controller

USB2240/USB2241
Ultra Fast USB 2.0 Multi-Format
Flash Media Controller
PRODUCT FEATURES
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 Card
TM
(xD)
1
, Memory Stick
TM
(MS), Secure Digital (SD), and MultiMediaCard
TM
(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.
Internal Card Power FET
— 200mA
— "Fold-back" short circuit current protected
Datasheet
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
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
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
Optimized for low latency interrupt handling
Reduced memory footprint
Please see the USB2240/USB2241 Software Release
Notes for additional Software Features
Flash Media Card Reader/Writer
Printers
Desktop and Mobile PCs
Consumer A/V
Media Players/Viewers
Vista ReadyBoost
TM
Compatible with Microsoft Vista, Windows XP, Windows
ME, Windows 2K SP4, Apple OSx, and Linux Mass
Storage Class Drivers
Software Features
Hardware Features
Applications
Single Chip Flash Media Controller with multiplexed
interface for use with “combo” card sockets
— Memory Stick Specification 1.43
— Memory 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
— MultiMediaCard Specification 4.2
1/4/8 bit MMC
HS-SD, HC-SD, TransFlash™ and reduced form factor
media
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
1.) xD Picture Card not applicable to USB2241
SMSC USB2240/USB2241
DATASHEET
Revision 2.6 (05-08-08)

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USB2241 USB2240
Description Ultra Fast USB 2.0 Multi-Format Flash Media Controller Ultra Fast USB 2.0 Multi-Format Flash Media Controller
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