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參數(shù)資料
| 型號： | USB2227 |
| 廠商： | SMSC Corporation |
| 英文描述： | 4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS |
| 中文描述： | 第4代USB2.0閃存介質控制器，它集成卡功率場效應管 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 919K |
| 代理商： | USB2227 |
SMSC USB2227/USB2228
DATASHEET
Revision 1.77 (06-13-05)
Datasheet
PRODUCT FEATURES
USB2227/USB2228
4th Generation USB2.0
Flash Media Controller
with Integrated Card
Power FETs
■
Complete System Solution for interfacing
SmartMedia
TM
(SM) or xD Picture Card
TM
(xD)
1
,
Memory Stick
TM
(MS), High Speed Memory Stick
(HSMS), Memory Stick PRO (MSPRO), MS Duo
TM
,
Secure Digital (SD), Mini-Secure Digital (Mini-SD),
TransFlash (SD), MultiMediaCard
TM
(MMC),
Reduced Size MultiMediaCard (RS-MMC), NAND
Flash, Compact Flash
TM
(CF) and CF Ultra
TM
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
■
Hardware support for SD Security Command
Extensions
■
On-chip power FETs for supplying flash media card
power with minimum board components
■
USB Bus Power Certified
■
3.3 Volt I/O with 5V input tolerance on VBUS/GPIO3
■
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 24Mhz Crystal Driver Circuit
■
Can be clocked by 48MHz external source
■
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
—
SmartDetach Detach from USB when 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
—
Internal or External Power FET operation
■
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 VTQFP Package (1.0mm height, 14mm
x14mm footprint); green, lead-free package also
available
1.xD Picture Card not applicable to USB2227.
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| USB2228 | 4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS |
| USB2228-NE-XX | 4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS |
| USB2228-NU-XX | 4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| USB2227_0503 | 制造商:SMSC 制造商全稱:SMSC 功能描述:Flash Card Reader Media Power Considerations |
| USB2227_06 | 制造商:SMSC 制造商全稱:SMSC 功能描述:4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs |
| USB2227-AHZS-XX | 制造商:SMSC 制造商全稱:SMSC 功能描述:4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs |
| USB2227-NE-03 | 功能描述:USB 接口集成電路 USB 2.0 Flash Media Card RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| USB2227-NE-05 | 功能描述:USB 接口集成電路 USB 2.0 Flash Media Card RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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