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What is USB2240I?

This electronic component, produced by the manufacturer "Microchip", performs the same function as "Ultra Fast USB 2.0 Multi-Format Controllers".


USB2240I Datasheet PDF - Microchip

Part Number USB2240I
Description Ultra Fast USB 2.0 Multi-Format Controllers
Manufacturers Microchip 
Logo Microchip Logo 


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No Preview Available ! USB2240I datasheet, circuit

USB224X
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash
Media Controllers
Highlights
The Microchip USB224x is a USB 2.0 compliant, Hi-
Speed bulk only1 mass storage class peripheral con-
troller intended for reading and writing to popular flash
media from the xD-Picture CardTM (xD)2, Memory
Stick® (MS), Secure Digital (SD), and MultiMedia-
CardTM (MMC) families.
The USB224x is a fully integrated, single chip solution
capable of ultra high performance operation. Average
sustained transfer rates exceeding 35 MB/s are possi-
ble if the media and host can support those rates. The
USB2244/44i includes provisions to read/write secure
media formats.
General Features
• Low pin count 36-pin QFN (6x6 mm) RoHS com-
pliant package
• USB2240/40I/41/41I
- Targeted for applications in which single or
"combo" media sockets are used
• Hardware-controlled data flow architecture for all
self-mapped media
• Pipelined hardware support for access to non-
self-mapped 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
- USB2244/44I: SD Secure
Hardware Features
• Single chip flash media controller with
- USB2240/40I/41/4I: multiplexed interface for
use with “combo” card sockets
- USB2244/44I: SD/MMC flash media reader/
writer
• MMC Streaming Mode support
• Extended configuration options
- xD player mode operation
- Socket switch polarities, etc.
• Media Activity LED
• On board 24 MHz crystal driver circuit
• Optional external 24 MHz clock input3
• Internal card power FET
- 200 mA
- "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 volt-
age for additional bill of materials and power sav-
ings
• Optimized pinout improves signal routing which
eases implementation for improved signal integ-
rity
Flash Media Specification Compliance
• Secure Digital 2.0
- HS-SD, SDHC
- TransFlashTM and reduced form factor media
• MultiMediaCard 4.2
- 1/4/8-bit MMC
• Memory Stick Formats
- MS 1.43, Pro 1.02, Duo 1.10
- Pro-HG Duo 1.01
–MS, MS Duo, HS-MS, MS Pro-HG, MS Pro
• xD-Picture Card 1.2
Software Features
• Customizable vendor specific data
• Optimized for low latency interrupt handling
• Reduced memory footprint
Applications
• 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
1.Bulk only is not applicable to USB2240/40i/41/41i.
2.xD-Picture Card is not applicable to USB2241/41i.
2010 - 2015 Microchip Technology Inc.
3.Only applicable to USB2240/40i/41/41i.
DS00001979A-page 1

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USB2240I equivalent
3.0 BLOCK DIAGRAMS
FIGURE 3-1:
USB2240/40I/41/41I BLOCK DIAGRAM
USB224X
USB
Host
3.3 V
VDD18
24 MHz
Crystal
VDD18PLL
3.3 V
USB2240/40I
USB2241/41I*
PHY SIE
BUS
CTL INTFC
AUTO_CBW
PROC
BUS FMDU FMI
INTFC CTL
1.8 V Reg
PLL
BUS
INTFC
EP0 TX
EP0 RX
RAM
EP1 RX
EP1 TX
EP2 RX
EP2 TX
XDATA BRIDGE
+ BUS ARBITER
SD/
MMC
MS
xD*
4K
total
1.8 V Reg
PWR_FET1
RAM
10 KB
ROM
64 KB
ADDR
MAP
Clock
Generation and
Control
Program Memory I/O Bus
8051
PROCESSOR
SFR
RAM
SPI
Interface
Trace FIFO
NOTE: xD-Picture Card is not applicable to USB2241/41i.
Multiplexed
Interface
CRD_PWR
SPI
Interface
2010 - 2015 Microchip Technology Inc.
DS00001979A-page 5


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Information Total 30 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
USB2240The function is (USB2240 / USB2241) Ultra Fast USB 2.0 Multi-Format Flash Media Controller. SMSC CorporationSMSC Corporation
USB2240The function is Ultra Fast USB 2.0 Multi-Format Controllers. MicrochipMicrochip
USB2240IThe function is Ultra Fast USB 2.0 Multi-Format Controllers. MicrochipMicrochip

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