SMSC USB2242, USB2242i User Manual

USB2242/USB2242I

Ultra Fast USB 2.0 Memory
Stick Flash Media Controller

PRODUCT FEATURES

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

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

 Sin gle 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 op tions

— Socket switch polarities, etc.

 Media Activity LED
 GPIO configura tion 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

 Inter nal Regulator for 1.8V core operation
 Optimized pinout improves signal routing, easing

implementation and allowing for improved signal integrity

Memory Stick

Datasheet

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 ReadyBo ost

 Compatible with Microsoft Vista, Windows XP, Windows

TM

ME, Windows 2K SP4, Apple OSx, and Linux Mass
Storage Class Drivers

SMSC USB2242/USB2242i DATASHEET Revision 1.0 (05-27-08)

Ultra Fast USB 2.0 Memory Stick Flash Media Controller

ORDER NUMBER:

USB2242/USB2242i-AEZG-XX for 36 pin, QFN Lead-Free RoHS Compliant Package

“XX” in the order number indicates the internal ROM firmware revision level.

Please contact your SMSC sales representative for more information.

Datasheet

80 ARKAY DRIVE, HAUPPAUGE, NY 11788 [phone], FAX [phone]

Copyright © 2008 SMSC or its subsidiaries. All rights reserved.
Circuit diagrams and other information relating to SMSC produ cts are included as a means of illustrating typical applications. Consequently, complete

information sufficient for construction purposes is not n ecessarily given. Although the information has been checked and is believed to be accurate, no
responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice.
Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey
to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales
are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC's standard Terms of Sale Agreement
dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors known as anomalies which may cause
the product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended,
authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property
damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the
customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC’s website at
http://www.smsc.com. SMSC is a registered trademark of Standard Microsystems Corporation (“SMSC”). Product names and company names are the
trademarks of their respective holders.

SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND ALL WARRANTIES
ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT,
SPECIAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS OR REVENUES OF ANY KIND; REGARDLESS OF THE FORM
OF ACTION, WHETHER BASED ON CONTRACT; TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE;
WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED
OF THE POSSIBILITY OF SUCH DAMAGES.

SMSC USB2242/USB2242i 2 Revision 1.0 (05-27-08)

DATASHEET

Ultra Fast USB 2.0 Memory Stick Flash Media Controller

Datasheet

Table of Contents

Chapter 1 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Chapter 2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chapter 3 Pin Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1 36-Pin Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 4 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Chapter 5 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.1 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.2 Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Chapter 6 Pin Reset State Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.1 36-Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Chapter 7 DC Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

7.1 Maximum Guaranteed Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

7.2 Recommended Operating Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.3 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.4 Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Chapter 8 AC Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

8.1 Oscillator/Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Chapter 9 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Chapter 10 GPIO Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

SMSC USB2242/USB2242i 3 Revision 1.0 (05-27-08)

DATASHEET

Ultra Fast USB 2.0 Memory Stick Flash Media Controller

Datasheet

List of Figures

Figure 2.1 USB2242/USB2242i Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 4.1 USB2242/USB2242i 36 Pin QFN Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 6.1 Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 6.2 Legend for Pin Reset States Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 7.1 Supply Rise Time Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 8.1 Typical Crystal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 8.2 Formula to Find Value of C1 and C2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 9.1 USB2242/USB2242i 36-QFN, 6x6mm Body , 0.5 m m Pitch . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Revision 1.0 (05-27-08) 4 SMSC USB2242/USB2242i

DATASHEET

Ultra Fast USB 2.0 Memory Stick Flash Media Controller

Datasheet

List of Tables

Table 3.1 USB2242/2242i 36-Pin QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 5.2 USB2242/2242i 36-Pin QFN Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 5.3 USB2242/USB2242i Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 6.1 USB2242/USB2242i Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 7.1 Pin Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 10.1 USB2242/USB2242i GPIO Usage (ROM Rev 0x00). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

SMSC USB2242/USB2242i 5 Revision 1.0 (05-27-08)

DATASHEET

Chapter 1 Acronyms

MS: Memory Stick
MSC: Memory Stick Controller

PLL: Phase-Locked Loop
QFN: Quad Flat no Leads
RoHS: Restriction of Hazardous Substances Directive
SIE: Serial Interface Engine

Ultra Fast USB 2.0 Memory Stick Flash Media Controller

Datasheet

*Note: In order to develop, make, use, or sell readers and/or other products using or incorporating any of the SMSC devices made
the subject of this document or to use related SMSC software programs, technical information and licenses under patent and other
intellectual property rights from or through various persons or entities, including without limitation media standard companies,
forums, and associations, and other patent holders may be required. These media standard companies, forums, and associations
include without limitation the following: Sony Corporation (Memory Stick, Memory Stick Pro); SD3 LLC (Secure Digital); MultiMedia
Card Association (MultiMediaCard); the SSFDC Forum (SmartMedia); the Compact Flash Association (Compact Flash); and Fuji
Photo Film Co., Ltd., Olympus Optical Co., Ltd., and Toshiba Corporation (xD-Picture Card). SMSC does not make such licenses
or technical information available; does not promise or represent that any such licenses or technical information will actually be
obtainable from or through the various persons or entities (including the media standard companies, forums, and associations), or
with respect to the terms under which they may be made available; and is not responsible for the accuracy or sufficiency of, or
otherwise with respect to, any such technical information.
SMSC's obligations (if any) under the Terms of Sale Agreement, or any other agreement with any customer, or otherwise, with
respect to infringement, including without limitation any obligations to defend or settle claims, to reimburse for costs, or to pay
damages, shall not apply to any of the devices made the subject of this document or any software programs related to any of such
devices, or to any combinations involving any of them, with respect to infringement or claimed infringement of any existing or future
patents related to solid state disk or other flash memory technology or applications ("Solid State Disk Patents"). By making any
purchase of any of the devices made the subject of this document, the customer represents, warrants, and agrees that it has
obtained all necessary licenses under then-existing Solid State Disk Patents for the manufacture, use and sale of solid state disk
and other flash memory products and that the customer will timely obtain at no cost or expense to SMSC all necessary licenses
under Solid State Disk Patents; that the manufacture and testing by or for SMSC of the units of any of the devices made the subject
of this document which may be sold to the customer, and any sale by SMSC of such units to the customer, are valid exercises of
the customer's rights and licenses under such Solid State Disk Patents; that SMSC shall have no obligation for royalties or otherwise
under any Solid State Disk Patents by reason of any such manufacture, use, or sale of such units; and that SMSC shall have no
obligation for any costs or expenses related to the customer's obtaining or having obtained rights or licenses under any Solid State
Disk Patents.

SMSC MAKES NO WARRANTIES, EXPRESS, IMPLIED, OR STATUTORY, IN REGARD TO INFRINGEMENT OR OTHER
VIOLATION OF INTELLECTUAL PROPERTY RIGHTS. SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES
AGAINST INFRINGEMENT AND THE LIKE.

No license is granted by SMSC expressly, by implication, by estoppel or otherwise, under any patent, trademark, copyright, mask
work right, trade secret, or other intellectual property right.

**To obtain this software program the appropriate SMSC Software License Agreement must be executed and in effect. Forms of
these Software License Agreements may be obtained by contacting SMSC.

Revision 1.0 (05-27-08) 6 SMSC USB2242/USB2242i

DATASHEET

Ultra Fast USB 2.0 Memory Stick Flash Media Controller

Datasheet

Chapter 2 Block Diagram

AUTO_

CBW

PROC

USB
Host

PHY

1.8V Reg

PLL

SIE

CTL

BUS

INTFC

XDATA BRIDGE

+ BUS ARBITER

BUS

INTFC

BUS

INTFC

FMDU

CTL

EP0 TX
EP0 RX

EP1 RX
EP1 TX
EP2 RX
EP2 TX

RAM

FMI

MS

4K

total

PWR_FET1

GPIOs

Media

Interface

GPIO10(CARD_PWR)

7 pins

RAM

Clock

Generation and

Control

10KB

ROM
64KB

ADDR

MAP

Program

Memory

I/O Bus

PROCESSOR

8051

SFR

RAM

Figure 2.1 USB2 242/USB2242i Block Diagram

SMSC USB2242/USB2242i 7 Revision 1.0 (05-27-08)

DATASHEET