Datasheet > USB2244I

USB2244I

更新时间： 2024-01-07 09:31:59

品牌	Logo	应用领域
SMSC		闪存控制器
页数	文件大小	规格书
22页	540K
描述
Ultra Fast USB 2.0 SD/MMC Flash Media Controller

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技术参数
数据手册

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USB2244I 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	HVQCCN, LCC36,.25SQ,20	针数：	36
Reach Compliance Code：	compliant	风险等级：	5.14
主机数据传输速率最大值：	35 MBps	主机接口标准：	USB
JESD-30 代码：	S-XQCC-N36	长度：	6 mm
端子数量：	36	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装等效代码：	LCC36,.25SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	1.8,3.3 V
认证状态：	Not Qualified	座面最大高度：	1 mm
子类别：	Bus Controllers	最大压摆率：	140 mA
最大供电电压：	3.6 V	最小供电电压：	3 V
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	6 mm	uPs/uCs/外围集成电路类型：	SECONDARY STORAGE CONTROLLER, FLASH MEMORY DRIVE
Base Number Matches：	1

USB2244I 数据手册

USB2244/USB2244I

Ultra Fast USB 2.0 SD/MMC

Flash Media Controller

Datasheet

PRODUCT FEATURES

General Description

Mask Programmable Features

The SMSC USB2244/USB2244i is a USB 2.0 compliant,

VID/PID/Language ID

high speed Bulk Only Mass Storage Class Peripheral

Controller intended for reading and writing to SD/MMC Flash

Media Cards.

28-character Manufacturer ID and Product string

12-hex digit (max) Serial Number string

Customizable Vendor specific data LED blink interval or

duration

The SMSC USB2244/USB2244i is a fully integrated, single

chip solution capable of ultra high performance operation.

Average sustained transfer rates exceeding 35MB/s are

possible if the media and host can support those rates.

Provisions to read/write secure media formats is also

provided.

Software Features

Optimized for low latency interrupt handling

Reduced memory footprint

Please see the USB2244/USB2244i Software Release

Notes for additional Software Features.

Applications

Flash Media Card Reader/Writer

Printers

General Features

36-pin QFN (6x6mm) lead-free RoHS compliant package

Hardware-controlled data flow architecture for all self-

mapped media

Desktop and Mobile PCs

Consumer A/V

Media Players/Viewers

Vista ReadyBoost

Pipelined hardware support for access to non-self-

mapped media

Product name with “i” denotes the version that supports

the industrial temperature range of -40ºC to 85ºC

Support included for secure media format on a licensed,

customized basis

Compatible with Microsoft Vista, Windows XP, Windows

ME, Windows 2K SP4, Apple OSx, and Linux Mass

Storage Class Drivers

—

SD Secure

Hardware Features

Single Chip Flash Media Reader/Writer

—

Secure Digital 2.0

–

HS-SD, HC-SD, TransFlash™ and reduced form factor

media

—

MultiMediaCard Specification 4.2

–

1/4/8 bit MMC

SDIO and MMC Streaming Mode support

Extended configuration options

—

Socket switch polarities, etc.

Media Activity LED

GPIO configuration and polarity

—

Up to 8 GPIOs for special function use: LED indicators,

power control to memory devices, etc. The number of

actual GPIO’s depends on the implementation

configuration used.

—

One GPIO with up to 200 mA drive

On Board 24MHz Crystal Driver Circuit

Internal Card Power FET

—

200mA

"Fold-back" short circuit current protected

8051 8-bit microprocessor

—

60MHz - single cycle execution

64KB ROM; 14KB RAM

Internal Regulator for 1.8V core operation

Optimized pinout improves signal routing, easing

implementation and allowing for improved signal integrity

SMSC USB2244/USB2244i

DATASHEET

Revision 1.0 (05-27-08)

12 3 4 5 6 7...22

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与USB2244I相关器件

型号	品牌	描述	获取价格	数据表
USB2244I-AEZG	MICROCHIP	Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers	获取价格
USB2244I-AEZG-06	MICROCHIP	FLASH MEMORY DRIVE CONTROLLER, QCC36, 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, VQFN-36	获取价格
USB2244I-AEZG-06	SMSC	Flash Memory Drive, CMOS, 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-36	获取价格
USB2244I-AEZG-06-TR	MICROCHIP	FLASH MEMORY DRIVE CONTROLLER, QCC36, 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, VQFN-36	获取价格
USB2244I-AEZG-TR	MICROCHIP	Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers	获取价格
USB2244I-AEZG-XX	MICROCHIP	FLASH MEMORY DRIVE CONTROLLER, QCC36, 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-36	获取价格

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