USB2241 SMSC Corporation, USB2241 Datasheet
USB2241
Manufacturer Part Number
USB2241
Description
(USB2240 / USB2241) Ultra Fast USB 2.0 Multi-Format Flash Media Controller
Manufacturer
SMSC Corporation
Datasheet
1.USB2241.pdf
(28 pages)
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SMSC USB2240/USB2241
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
(MS), Secure Digital (SD), and MultiMediaCard
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
Hardware Features
36-pin QFN lead-free RoHS compliant package
Targeted for applications in which single or "combo"
Hardware-controlled data flow architecture for all self-
Pipelined hardware support for access to non-self-
Single Chip Flash Media Controller with multiplexed
SDIO and MMC Streaming Mode support
Extended configuration options
Media Activity LED
GPIO configuration and polarity
On Board 24MHz Crystal Driver Circuit
Optional external 24MHz clock input
media sockets are used
mapped media
mapped media
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
— xD Picture Card 1.2
— Secure Digital 2.0
— MultiMediaCard Specification 4.2
— xD player mode operation
— Socket switch polarities, etc.
— Up to 8 GPIOs for special function use: LED indicators,
— One GPIO with up to 200 mA drive.
1.) xD Picture Card not applicable to USB2241
power control to memory devices, etc. The number of
actual GPIO’s depends on the implementation
configuration used.
–
–
–
Memory Stick, MS Duo, HS-MS, MS Pro-HG, MS Pro
HS-SD, HC-SD, TransFlash™ and reduced form factor
media
1/4/8 bit MMC
TM
(xD)
1
, Memory Stick
TM
DATASHEET
Ultra Fast USB 2.0 Multi-Format
Flash Media Controller
(MMC)
TM
Software Features
Applications
Mask Programmable Features
Internal Card Power FET
8051 8-bit microprocessor
Internal Regulator for 1.8V core operation
Optimized pinout improves signal routing, easing
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
Optimized for low latency interrupt handling
Reduced memory footprint
Please see the USB2240/USB2241 Software Release
Flash Media Card Reader/Writer
Printers
Desktop and Mobile PCs
Consumer A/V
Media Players/Viewers
Vista ReadyBoost
Compatible with Microsoft Vista, Windows XP, Windows
USB2240/USB2241
— 200mA
— "Fold-back" short circuit current protected
— 60MHz - single cycle execution
— 64KB ROM; 14KB RAM
implementation and allowing for improved signal integrity.
duration
Notes for additional Software Features
ME, Windows 2K SP4, Apple OSx, and Linux Mass
Storage Class Drivers
TM
Revision 2.6 (05-08-08)
Datasheet
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