SMSC USB2242, Datasheet

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SMSC USB2242/USB2242i
DATASHEET
Revision 1.0 (05-27-08)
Datasheet
PRODUCT FEATURES
USB2242/USB2242
I
Ultra Fast USB 2.0 Memory
Stick Flash Media Controller
General Description
The SMSC USB2242/USB2242i is a USB 2.0 compliant,
high speed Bulk Only Mass Storage Class Peripheral
Controller intended for reading and writing to
Memory Stick
Flash Media Cards.
The SMSC USB2242/USB2242i 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
— Sony MagicGate
TM
Hardware Features
„ Single Chip Flash Media Reader/Writer
— 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
„ 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 USB2242/USB2242i 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 ReadyBoost
TM
„
Compatible with Microsoft Vista, Windows XP, Windows
ME, Windows 2K SP4, Apple OSx, and Linux Mass
Storage Class Drivers