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What is USB2224?

This electronic component, produced by the manufacturer "SMSC Corporation", performs the same function as "Bus Powered USB2.0 Flash Media Controller".


USB2224 Datasheet PDF - SMSC Corporation

Part Number USB2224
Description Bus Powered USB2.0 Flash Media Controller
Manufacturers SMSC Corporation 
Logo SMSC Corporation Logo 


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Total 20 Pages



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No Preview Available ! USB2224 datasheet, circuit

USB2224
Bus Powered USB2.0
Flash Media Controller
Product Features
ƒ Complete System Solution for interfacing
SmartMediaTM (SM) or xD Picture CardTM (xD),
Memory StickTM (MS), High Speed Memory Stick
(HSMS), Memory Stick PRO (MSPRO), MS
DuoTM, Secure Digital (SD), Mini-Secure Digital
(Mini-SD), Transflash (SD), MultiMediaCardTM
(MMC), Reduced Size Multimedia Card (RS-
MMC), NAND Flash, Compact FlashTM (CF), CF
UltraTM I & II and CF form-factor ATA hard drives
to USB2.0 bus.
Supports USB Bulk Only Mass Storage Compliant
Bootable BIOS
ƒ Support for simultaneous operation of all above
devices. (only one at a time of each of the
following groups supported: CF or ATA drive, SM
or XD or NAND, SD or MMC)
ƒ On-Chip 4-Bit High Speed Memory Stick and MS
PRO Hardware Circuitry
ƒ On-Chip firmware reads and writes High Speed
Memory Stick and MS PRO
ƒ 1-bit ECC correction performed in hardware for
maximum efficiency
ƒ USB Bus Power Certified
ƒ 3.3 Volt I/O with 5V input tolerance
ƒ Complete USB Specification 2.0 Compatibility for
Bus Powered Operation
Includes USB2.0 Transceiver
A Bi-directional Control and a Bi-directional Bulk
Endpoint are provided.
ƒ 8051 8 bit microprocessor
Provides low speed control functions
30 Mhz execution speed at 4 cycles per instruction
average
12K Bytes of internal SRAM for general purpose
scratchpad
768 Bytes of internal SRAM for general purpose
scratchpad or program execution while re-flashing
external ROM
Datasheet
ƒ Double Buffered Bulk Endpoint
Bi-directional 512 Byte Buffer for Bulk Endpoint
64 Byte RX Control Endpoint Buffer
64 Byte TX Control Endpoint Buffer
ƒ Internal or External Program Memory Interface
64K Byte Internal Code Space or Optional 64K Byte
External Code Space using Flash, SRAM or EPROM
memory.
ƒ On Board 12Mhz Crystal Driver Circuit
ƒ On-Chip 1.8V Regulator for Low Power Core
Operation
ƒ Internal PLL for 480Mhz USB2.0 Sampling,
Configurable MCU clock
ƒ Supports firmware upgrade via USB bus if “boot
block” Flash program memory is used
ƒ 15 GPIOs for special function use: LED
indicators, button inputs, power control to
memory devices, etc.
Inputs capable of generating interrupts with either
edge sensitivity
Attribute bit controlled features:
Activity LED polarity/operation/blink rate
Full or Partial Card compliance checking
Bus or Self Powered
LUN configuration and assignment
Write Protect Polarity
Detach on no Card Inserted for Notebook apps
Cover Switch operation for xD compliance
Inquiry Command operation
SD Write Protect operation
Older CF card support
Force USB 1.1 reporting
ƒ Compatible with Microsoft WinXP, WinME,
Win2K SP3, Apple OS10, Softconnex, and Linux
Multi-LUN Mass Storage Class Drivers
ƒ Win2K, Win98/98SE and Apple OS8.6 and OS9
Multi-LUN Mass Storage Class Drivers available
from SMSC
ƒ 128 Pin TQFP Green, Lead-free Package
(1.0mm height, 14mm x14mm footprint)
SMSC USB2224
Page 1
DATASHEET
Revision 1.3 (06-13-06)

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USB2224 equivalent
Bus Powered USB2.0 Flash Media Controller
Datasheet
Chapter 2 Acronyms and Definitions
2.1
Acronyms
SM: SmartMedia
SMC: SmartMedia Controller
FM: Flash Media
FMC: Flash Media Controller
CF: Compact Flash
CFC: CompactFlash Controller
SD: Secure Digital
SDC: Secure Digital Controller
MMC: MultiMediaCard
MS: Memory Stick
MSC: Memory Stick Controller
TPC: Transport Protocol Code.
ECC: Error Checking and Correcting
CRC: Cyclic Redundancy Checking
XD: XD Picture Card
2.2
Definitions
Flash Media DMA UNIT (FMDU): The control logic in the flash media controller block as shown in the
Block Diagram that support the data transfer from CFC, SMC, MSC and SDC to EP2 buffer directly.
SD/MMC: the built-in SD controller (SDC) supports both SD and MMC devices.
Flash Media Controller Data Multiplexer (FMC DATA MUX): The multiplexer to enable the different data
path from the different flash media controllers (CFC, SMC, MSC and SDC).
SMSC USB2224
Page 5
DATASHEET
Revision 1.3 (06-13-06)


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for USB2224 electronic component.


Information Total 20 Pages
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