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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 ReadyBoost

 Compatible with Microsoft Vista, Windows XP, Windows

ME, Windows 2K SP4, Apple OSx, and Linux Mass

Storage Class Drivers

1 2 3 4 5 6 ... 21 22

Resumo do Conteúdo

Página 1 - Flash Media Controller

SMSC USB2244/USB2244i DATASHEET Revision 1.0 (05-27-08) DatasheetPRODUCT FEATURESUSB2244/USB2244I Ultra Fast USB 2.0 SD/MMC Flash Media ControllerGene

Página 2 - ORDER NUMBER:

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 10 SMSC USB2244/USB2244iDATASHEETChapter 5 Pin DescriptionsThis secti

Página 3 - Table of Contents

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 11 Revision 1.0 (05-27-08)DATASHEET24MHz Crystal or external clock inpu

Página 4 - List of Figures

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 12 SMSC USB2244/USB2244iDATASHEET5.2 Buffer Type DescriptionsTEST I

Página 5 - List of Tables

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 13 Revision 1.0 (05-27-08)DATASHEETChapter 6 Pin Reset State TableFigur

Página 6 - Chapter 1 Acronyms

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 14 SMSC USB2244/USB2244iDATASHEET6.1 36-Pin Reset StatesTable 6.1

Página 7 - Chapter 2 Block Diagram

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 15 Revision 1.0 (05-27-08)DATASHEETChapter 7 DC Parameters7.1 Maximum

Página 8 - Chapter 3 Pin Table

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 16 SMSC USB2244/USB2244iDATASHEETFigure 7.1 Supply Rise Time Model7.2

Página 9 - Chapter 4 Pin Configuration

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 17 Revision 1.0 (05-27-08)DATASHEET7.3 DC Electrical CharacteristicsP

Página 10 - Chapter 5 Pin Descriptions

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 18 SMSC USB2244/USB2244iDATASHEETNote 7.4 Output leakage is measured

Página 11 - Datasheet

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 19 Revision 1.0 (05-27-08)DATASHEETthe settings listed in Table 10.1, “

Página 12

ORDER NUMBER:USB2244/USB2244i-AEZG-XX for 36 pin, QFN Lead-Free RoHS Compliant Package“XX” in the order number indicates the internal ROM firmware rev

Página 13 - Figure 6.1 Pin Reset States

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 20 SMSC USB2244/USB2244iDATASHEETChapter 8 AC Specifications8.1 Osc

Página 14 - 6.1 36-Pin Reset States

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 21 SMSC USB2244/USB2244iDATASHEETChapter 9 Package OutlineFigure 9.1

Página 15 - Chapter 7 DC Parameters

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 22 SMSC USB2244/USB2244iDATASHEETChapter 10 GPIO UsageTable 10.1 USB

Página 16

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 3 Revision 1.0 (05-27-08)DATASHEETTable of ContentsChapter 1 Acronyms .

Página 17

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 4 SMSC USB2244/USB2244iDATASHEETList of FiguresFigure 2.1 USB2244/USB

Página 18

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 5 Revision 1.0 (05-27-08)DATASHEETList of TablesTable 3.1 USB2244/2244i

Página 19 - 7.4 Capacitance

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 6 SMSC USB2244/USB2244iDATASHEETChapter 1 AcronymsMMC: MultiMediaCard

Página 20 - Chapter 8 AC Specifications

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 7 Revision 1.0 (05-27-08)DATASHEETChapter 2 Block DiagramFigure 2.1 USB

Página 21 - Chapter 9 Package Outline

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetRevision 1.0 (05-27-08) 8 SMSC USB2244/USB2244iDATASHEETChapter 3 Pin Table3.1 36-Pin Packa

Página 22 - Chapter 10 GPIO Usage

Ultra Fast USB 2.0 SD/MMC Flash Media ControllerDatasheetSMSC USB2244/USB2244i 9 Revision 1.0 (05-27-08)DATASHEETChapter 4 Pin ConfigurationFigure 4.1

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