SMSC USB2244, USB2244i User Manual

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USB2244/USB2244I

Ultra Fast USB 2.0 SD/MMC

Flash Media Controller

PRODUCT FEATURES

Datasheet

 

 

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 selfmapped 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

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 ReadyBoostTM

Compatible with Microsoft Vista, Windows XP, Windows ME, Windows 2K SP4, Apple OSx, and Linux Mass Storage Class Drivers

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

SMSC USB2244/USB2244i

DATASHEET

Revision 1.0 (05-27-08)

Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

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 revision level. Please contact your SMSC sales representative for more information.

80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123

Copyright © 2008 SMSC or its subsidiaries. All rights reserved.

Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily 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 USB2244/USB2244i

2

Revision 1.0 (05-27-08)

DATASHEET

Ultra Fast USB 2.0 SD/MMC 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Chapter 6 Pin Reset State Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1 36-Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Chapter 7 DC Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

7.1 Maximum Guaranteed Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

7.2 Recommended Operating Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

7.3 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.4 Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chapter 8 AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8.1 Oscillator/Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Chapter 9 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Chapter 10 GPIO Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

SMSC USB2244/USB2244i

3

Revision 1.0 (05-27-08)

DATASHEET

Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

List of Figures

Figure 2.1 USB2244/USB2244i Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4.1 USB2244/USB2244i 36 Pin QFN Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 6.1 Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 6.2 Legend for Pin Reset States Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 7.1 Supply Rise Time Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 8.1 Typical Crystal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 8.2 Formula to Find Value of C1 and C2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 9.1 USB2244/USB2244i 36-QFN, 6x6mm Body, 0.5mm Pitch . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Revision 1.0 (05-27-08)

4

SMSC USB2244/USB2244i

DATASHEET

Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

List of Tables

Table 3.1 USB2244/2244i 36-Pin QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5.2 USB2244/2244i 36-Pin QFN Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 5.3 USB2244/USB2244i Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 6.1 USB2244/USB2244i Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 7.1 Pin Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Table 10.1 USB2244/USB2244i GPIO Usage (ROM Rev 0x00). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

SMSC USB2244/USB2244i

5

Revision 1.0 (05-27-08)

DATASHEET

Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

Chapter 1 Acronyms

MMC: MultiMediaCard

PLL: Phase-Locked Loop

QFN: Quad Flat no Leads

RoHS: Restriction of Hazardous Substances Directive

SD: Secure Digital

SDIO: Secure Digital Input/Output

SDC: Secure Digital Controllerl

SIE: Serial Interface Engine

*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 USB2244/USB2244i

DATASHEET

Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

Chapter 2 Block Diagram

 

 

 

 

AUTO_

 

 

 

 

 

 

CBW

 

 

 

 

 

 

PROC

 

 

USB

 

 

 

 

FMI

 

Media

Host

 

SIE

BUS

BUS

SD/

PHY

FMDU

 

CTL

INTFC

INTFC

CTL

MMC

Interface

 

 

 

 

 

 

 

EP0 TX

 

 

 

 

 

 

 

EP0 RX

 

 

 

 

 

 

BUS

RAM

4K

 

 

 

 

 

INTFC

 

 

 

 

 

 

 

 

 

 

 

 

 

total

 

 

Reg

 

 

 

EP1 RX

 

 

 

 

 

 

EP1 TX

 

 

 

 

 

 

 

 

 

 

1.8V

 

 

 

EP2 RX

 

 

 

 

 

 

EP2 TX

 

 

 

PLL

 

 

XDATA BRIDGE

 

 

 

 

 

 

+ BUS ARBITER

 

 

 

 

 

 

 

 

 

PWR_FET1

GPIO10(CARD_PWR)

 

 

 

 

 

 

GPIOs

7 pins

 

 

RAM

 

 

 

 

 

 

 

10KB

ADDR

Program

 

 

 

 

 

 

Memory

 

 

 

 

 

 

MAP

 

 

 

 

 

ROM

I/O Bus

 

 

 

 

 

 

 

 

 

 

 

64KB

 

 

 

 

 

 

Clock

 

 

 

 

 

 

 

Generation and

 

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

8051

SFR

 

 

 

 

 

 

PROCESSOR

RAM

 

 

Figure 2.1 USB2244/USB2244i Block Diagram

SMSC USB2244/USB2244i

7

Revision 1.0 (05-27-08)

DATASHEET

+ 15 hidden pages