MICROCHIP USB2241I-AEZG-06

USB224x
Ultra Fast USB 2.0 Multi-Format, SD/MMC,
and MS Flash Media Controllers
PRODUCT FEATURES
Data Brief
General Description

The SMSC USB224x is a USB 2.0 compliant, Hi-Speed
bulk only1 mass storage class peripheral controller intended
for reading and writing to popular flash media from the xDPicture CardTM (xD)2, Memory Stick® (MS), Secure Digital
(SD), and MultiMediaCardTM (MMC) families.

The SMSC USB224x is a fully integrated, single chip
solution capable of ultra high performance operation.
Average sustained transfer rates exceeding 35 MB/s are
possible if the media and host can support those rates. The
USB2244/44i includes provisions to read/write secure
media formats.
General Features


— Targeted for applications in which single or "combo"
media sockets are used




Hardware-controlled data flow architecture for all selfmapped media
Pipelined hardware support for access to non-selfmapped media
Order number with “i” denote the products that support
the industrial temperature range of -40ºC to 85ºC
Support included for secure media format on a licensed,
customized basis

8051 8-bit microprocessor
— 60 MHz - single cycle execution
— 64 KB ROM | 14 KB RAM

Supports a single external 3.3 V supply source; internal
regulators provide 1.8 V internal core voltage for
additional bill of materials and power savings
Optimized pinout improves signal routing which eases
implementation for improved signal integrity
Flash Media Specification Compliance

Secure Digital 2.0
— HS-SD, SDHC
— TransFlashTM and reduced form factor media

MultiMediaCard 4.2

Memory Stick Formats
— 1/4/8-bit MMC
— MS 1.43, Pro 1.02, Duo 1.10
— Pro-HG Duo 1.01
– MS, MS Duo, HS-MS, MS Pro-HG, MS Pro


Single chip flash media controller with
SDIO and MMC Streaming Mode support
Extended configuration options
xD-Picture Card 1.2
Customizable vendor specific data
Optimized for low latency interrupt handling
Reduced memory footprint
Applications





— xD player mode operation
— Socket switch polarities, etc.

On board 24 MHz crystal driver circuit
Optional external 24 MHz clock input3
Internal card power FET
— 200 mA
— "Fold-back" short circuit protection

— USB2240/40i/41/4i: multiplexed interface for use with
“combo” card sockets
— USB2242/42i: MS flash media reader/writer
— USB2244/44i: SD/MMC flash media reader/writer



Hardware Features


Software Features
— USB2244/44i: SD Secure
— USB2242/42i: Sony MagicGateTM

— Up to 8 GPIOs for special function use
— One GPIO with up to 200 mA drive

Low pin count 36-pin QFN (6x6 mm) lead-free RoHS
compliant package
USB2240/40i/41/41i
GPIO configuration and polarity
Flash media card reader/writers
Desktop and mobile PCs
Printers
Consumer A/V and media players/viewers
Compatible with
– Microsoft® VistaTM and Vista ReadyBoostTM
– Windows® XP, ME, 2K SP4
– Apple Mac OSx®
– Linux Mass Storage Class Drivers
Media Activity LED
1.Bulk only is not applicable to USB2240/40i/41/41i.
2.xD-Picture Card is not applicable to USB2241/41i.
3.Only applicable to USB2240/40i/41/41i.
SMSC USB224x
Revision 2.1 (02-07-13)
PRODUCT PREVIEW
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
Order Numbers:
LEAD-FREE
ROHS
COMPLIANT
PACKAGE
TYPE / SIZE
SD/MMC
xD
MS/
MS PRO/
MS PRO-HG
USB2240-AEZG-XX



0ºC to 70ºC
USB2240i-AEZG-XX



-40ºC to 85ºC
USB2241-AEZG-XX


0ºC to 70ºC


-40ºC to 85ºC

0ºC to 70ºC

-40ºC to 85ºC
ORDER NUMBERS
USB2241i-AEZG-XX
36 QFN
USB2242-AEZG-XX
6 x 6 x 0.5 mm
USB2242i-AEZG-XX
OPERATING
TEMPERATURE
USB2244-AEZG-XX

0ºC to 70ºC
USB2244i-AEZG-XX

-40ºC to 85ºC
“XX” in the order number indicates the internal ROM firmware revision level.
Please contact your SMSC sales representative for more information.
This product meets the halogen maximum concentration values per IEC61249-2-21
For RoHS compliance and environmental information, please visit www.smsc.com/rohs
Copyright © 2013 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.
The Microchip name and logo, and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
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.
Revision 2.1 (02-07-13)
2
PRODUCT PREVIEW
SMSC USB224x
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
Overview
The SMSC USB224x is a flash media card reader solution fully compliant with the USB 2.0
specification. All required resistors on the USB ports are integrated into the device. This includes all
series termination resistors on D+ and D– pins and all required pull-down and pull-up resistors. The
over-current sense inputs for the downstream facing ports have internal pull-up resistors.
Hardware Features

Single chip flash media controller in low pin count 36-pin QFN, lead-free RoHS compliant package

Commercial temperature products support 0°C to +70°C: USB2240/41, USB2242 and USB2244

Industrial temperature products support -40°C to +85°C: USB2240i/41i, USB2242i and USB2244i

Up to 8 GPIOs
— Configuration and polarity for special function use such as LED indicators, button inputs, and
power control to memory devices
— The number of actual GPIOs depends on the implementation configuration used

One GPIO available with up to 200 mA drive and “fold-back” short circuit protection

8051 8-bit microprocessor
— 60 MHz - single cycle execution
— 64 KB ROM |14 KB RAM

Supports a single external 3.3 V supply source; internal regulators provide 1.8 V internal core
voltage for additional bill of materials and power savings
Compliance with the following flash media card specifications:

Secure Digital 2.0
— HS-SD and SDHC
— TransFlash™ and reduced form factor media

MultiMediaCard 4.2
— 1/4/8 bit MMC

Memory Stick 1.43

Memory Stick Pro Format 1.02

Memory Stick Pro-HG Duo Format 1.01
— Memory Stick, MS Duo, HS-MS, MS Pro-HG, MS Pro

Memory Stick Duo 1.10

xD-Picture Card 1.2
Software Features

SMSC USB224x
If the OEM is using an external EEPROM, the following features are available:
— Customizable vendor, product, language, and device ID’s
— 12-hex digits maximum for the serial number string
— 28-character manufacturer ID and product strings for the flash media reader/writer
— LED blink interval or duration
3
PRODUCT PREVIEW
Revision 2.1 (02-07-13)
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
Block Diagrams
USB2240 / 40i
USB2241 / 41i*
USB
Host
SIE
CTL
PHY
AUTO_CBW
PROC
BUS
INTFC
BUS FMDU
INTFC CTL
SD/
MMC
FMI
Multiplexed
Interface
MS
xD*
3.3 V
EP0 TX
EP0 RX
1.8 V Reg
BUS
INTFC
VDD18
RAM
4K
total
EP1 RX
EP1 TX
EP2 RX
EP2 TX
24 MHz
Crystal
PLL
XDATA BRIDGE
+ BUS ARBITER
VDD18PLL
3.3 V
1.8 V Reg
PWR_FET1
GPIOs
RAM
10 KB
ROM
64 KB
ADDR
MAP
GPIO10 / CRD_PWR
8 pins
Program Memory I/O Bus
Clock
Generation and
Control
SFR
RAM
8051
PROCESSOR
NOTE: xD-Picture Card is not applicable to USB2241/41i.
Figure 1 USB2240/40i/41/41i Block Diagram
Revision 2.1 (02-07-13)
4
PRODUCT PREVIEW
SMSC USB224x
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
USB2242 / USB2242i
USB
Host
SIE
CTL
PHY
AUTO_CBW
PROC
BUS
INTFC
BUS FMDU
INTFC CTL
FMI
Media
Interface
MS
3.3 V
EP0 TX
EP0 RX
1.8 V Reg
BUS
INTFC
VDD18
RAM
4K
total
EP1 RX
EP1 TX
EP2 RX
EP2 TX
24 MHz
Crystal
PLL
XDATA BRIDGE
+ BUS ARBITER
VDD18PLL
3.3 V
1.8 V Reg
PWR_FET1
GPIOs
RAM
10 KB
ROM
64 KB
ADDR
MAP
GPIO10 / CRD_PWR
7 pins
Program Memory I/O Bus
Clock
Generation and
Control
SFR
RAM
8051
PROCESSOR
Figure 2 USB2242/42i Block Diagram
SMSC USB224x
5
PRODUCT PREVIEW
Revision 2.1 (02-07-13)
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
USB2244 / USB2244i
USB
Host
SIE
CTL
PHY
AUTO_CBW
PROC
BUS
INTFC
BUS FMDU
INTFC CTL
FMI
SD/
MMC
Media
Interface
3.3 V
EP0 TX
EP0 RX
1.8 V Reg
BUS
INTFC
VDD18
RAM
4K
total
EP1 RX
EP1 TX
EP2 RX
EP2 TX
24 MHz
Crystal
PLL
XDATA BRIDGE
+ BUS ARBITER
VDD18PLL
3.3 V
1.8 V Reg
PWR_FET1
GPIOs
RAM
10 KB
ROM
64 KB
ADDR
MAP
GPIO10 / CRD_PWR
7 pins
Program Memory I/O Bus
Clock
Generation and
Control
SFR
RAM
8051
PROCESSOR
Figure 3 USB2244/44i Block Diagram
Revision 2.1 (02-07-13)
6
PRODUCT PREVIEW
SMSC USB224x
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
Package Outline
Figure 4 USB224x 36-QFN, 6x6 mm Body, 0.5 mm Pitch
Table 1 Package Parameters
SYMBOL
MIN
NOMINAL
MAX
NOTE
REMARKS
A
A1
A2
A3
D/E
D1/E1
D2/E2
L
b
e
0.80
0
0.60
~
0.02
~
0.20 REF
6.00
~
4.10
0.60
0.25
0.50 BSC
1.00
0.05
0.80
2
2
-
Overall Package Height
Standoff
Mold Thickness
Leadframe Thickness
X/Y Overall Body Size
X/Y Mold Cap Size
X/Y Exposed Pad Size
Terminal Length
Terminal Width
Terminal Pitch
5.85
5.55
4.00
0.50
0.18
6.15
5.95
4.20
0.75
0.30
Note 1
All dimensions are in millimeters.
Note 2
Position tolerance of each terminal and exposed pad is ±0.05 mm at maximum material
condition.
SMSC USB224x
7
PRODUCT PREVIEW
Revision 2.1 (02-07-13)
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
Note 3
Dimension “b” applies to plated terminals and is measured between 0.15 mm and 0.30 mm
from the terminal tip.
Note 4
Details of terminal #1 identifier are optional but must be located within the area indicated.
Note 5
Coplanarity zone applies to exposed pad and terminals.
Figure 5 Additional Package Information and Notes
Revision 2.1 (02-07-13)
8
PRODUCT PREVIEW
SMSC USB224x