參數(shù)資料
型號(hào)： USB2224
廠商： SMSC Corporation
英文描述： BUS POWERED USB2.0 FLASH MEDIA CONTROLLER
中文描述： 總線供電個(gè)USB2.0閃存介質(zhì)控制器
文件頁數(shù)： 1/20頁
文件大?。?/td> 286K
代理商： USB2224
SMSC USB2224
Page 1
Revision 1.3 (09-21-04)
DATASHEET
USB2224
Bus Powered USB2.0
Flash Media Controller
Datasheet
Product Features
Complete System Solution for interfacing
SmartMedia
(SM) or xD Picture Card
(xD),
Memory Stick
TM
(MS), High Speed Memory Stick
(HSMS), Memory Stick PRO (MSPRO), MS
Duo
, Secure Digital (SD), Mini-Secure Digital
(Mini-SD), Transflash (SD), MultiMediaCard
(MMC), Reduced Size Multimedia Card (RS-
MMC), NAND Flash, Compact Flash
(CF), CF
Ultra
I & II and CF form-factor ATA hard drives
to USB2.0 bus.
Supports USB Bulk Only Mass Storage Compliant
Bootable BIOS
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)
On-Chip 4-Bit High Speed Memory Stick and MS
PRO Hardware Circuitry
On-Chip firmware reads and writes High Speed
Memory Stick and MS PRO
1-bit ECC correction performed in hardware for
maximum efficiency
USB Bus Power Certified
3.3 Volt I/O with 5V input tolerance
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.
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
Double Buffered Bulk Endpoint
Bi-directional 512 Byte Buffer for Bulk Endpoint
64 Byte RX Control Endpoint Buffer
64 Byte TX Control Endpoint Buffer
Internal or External Program Memory Interface
64K Byte Internal Code Space or Optional 64K Byte
External Code Space using Flash, SRAM or EPROM
memory.
On Board 12Mhz Crystal Driver Circuit
On-Chip 1.8V Regulator for Low Power Core
Operation
Internal PLL for 480Mhz USB2.0 Sampling,
Configurable MCU clock
Supports firmware upgrade via USB bus if “boot
block” Flash program memory is used
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
Compatible with Microsoft WinXP, WinME,
Win2K SP3, Apple OS10, Softconnex, and Linux
Multi-LUN Mass Storage Class Drivers
Win2K, Win98/98SE and Apple OS8.6 and OS9
Multi-LUN Mass Storage Class Drivers available
from SMSC
128 Pin TQFP Package (1.0mm height, 14mm
x14mm footprint); PB free package also available
相關(guān)PDF資料
PDF描述
USB2224-NE-02 BUS POWERED USB2.0 FLASH MEDIA CONTROLLER
USB2224-NU-02 BUS POWERED USB2.0 FLASH MEDIA CONTROLLER
USB2227 4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS
USB2227-NE-XX 4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS
USB2227-NU-XX 4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
USB2224_06 制造商:SMSC 制造商全稱:SMSC 功能描述:Bus Powered USB2.0 Flash Media Controller
USB2224-NE-02 制造商:Rochester Electronics LLC 功能描述:- Bulk
USB2224-NE-04 制造商:Rochester Electronics LLC 功能描述:- Bulk
USB2224-NE-05 制造商:Rochester Electronics LLC 功能描述:- Bulk
USB2224-NU-02 制造商:SMSC 制造商全稱:SMSC 功能描述:BUS POWERED USB2.0 FLASH MEDIA CONTROLLER
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