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USB4640

更新时间： 2024-02-23 07:36:48
品牌 Logo 应用领域
SMSC 闪存控制器
页数 文件大小 规格书
64页 1182K
描述
High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller

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中文翻译

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USB4640 技术参数

生命周期：Transferred包装说明：,
Reach Compliance Code：unknownHTS代码：8542.31.00.01
风险等级：5.75技术：CMOS
uPs/uCs/外围集成电路类型：SERIAL IO/COMMUNICATION CONTROLLER, SERIALBase Number Matches：1

USB4640 数据手册

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USB4640/USB4640i  
High Speed Inter-Chip (HSIC)  
USB 2.0 Hub and Flash Media  
Controller  
Datasheet  
PRODUCT FEATURES  
General Description  
Features  
The SMSC USB4640/USB4640i is a Hi-Speed HSIC USB hub  
and card reader combo solution with an upstream port  
compliant to HSIC 1.0, a supplement to the USB 2.0  
specification. The two downstream ports are compliant with the  
USB 2.0 specification.  
„
„
„
Compliance with the following flash media card  
specifications SD 2.0 / MMC 4.2 / MS 1.43 / MS-Pro 1.02 /  
MS-Pro-HG 1.01 / MS-Duo 1.10 / xD 1.2  
Low-power digital HSIC interface offers a replacement for  
onboard host and device connection for analog USB bus  
cable  
High Speed Inter-Chip (HSIC) is a digital interconnect bus that  
enables the use of USB technology as a low-power chip-to-chip  
interconnect at speeds up to 480 Mb/s. The HSIC interface is  
an industry standard 2-pin digital interface which uses standard  
USB software. The SMSC USB4640/USB4640i provides an  
ultra fast interface between an HSIC enabled host and today’s  
popular flash media formats. The controller allows read/write  
capability to flash media from the following families:  
HSIC interface enables printers, mobile PCs, ultra-mobile  
PCs, and cell phone products to reduce the total power  
budget while taking full advantage of USB connectivity and  
compatibility with existing USB drivers and software  
„
„
External 1.2 V reference allows upstream and downstream  
HSIC links to use the same voltage reference  
– Secure DigitalTM (SD)  
– MultiMediaCardTM (MMC)  
– Memory Stick® (MS)  
Supports a single external 3.3 V supply source; internal  
regulators provide 1.8 V internal core voltage for additional  
bill of materials and power savings  
– xD Picture CardTM (xD)1  
„
The transaction translator (TT) in the hub supports operation  
of Full-Speed and Low-Speed peripherals  
The USB4640/USB4640i offers a versatile, cost-effective, and  
energy-efficient hub controller with 2 downstream USB 2.0  
ports. This combo solution leverages SMSC’s innovative  
technology that delivers industry-leading data throughput in  
mixed-speed USB environments. Average sustained transfer  
rates exceeding 35 MB/s are possible2.  
„
„
„
9 K RAM | 64 K on-chip ROM  
Enhanced EMI rejection and ESD protection performance  
Hub and flash media reader/writer configuration from a  
single source: External I2C® ROM or external SPI ROM  
—
—
—
Configures internal code using an external I2C EEPROM  
Supports external code using an SPI Flash EEPROM  
Highlights  
Customizable vendor ID, product ID, and language ID if using  
an external EEPROM  
„
Upstream HSIC port and 2 exposed Hi-Speed USB 2.0  
downstream ports for external peripheral expansion  
The dedicated flash media reader is internally attached to a  
3rd downstream port of the hub as a USB Compound  
Device  
„
„
Up to 9 configurable GPIOs for special functions  
„
The USB4640 supports the commercial temperature range  
of 0°C to +70°C  
„
„
The USB4640i supports the industrial temperature range of  
-40°C to +85°C  
—
a single or multiplexed flash media reader interface  
„
„
„
PortMap  
48-pin QFN lead-free, RoHS compliant package (7x7 mm)  
—
Flexible port mapping and port disable sequencing supports  
multiple platform designs  
Applications  
PortSwap  
„
3G/4G handsets, smartphones, cell phones, and other  
mobile devices  
—
Programmable USB differential-pair pin locations eases PCB  
design by aligning USB signal traces directly to connectors  
PHYBoost  
„
„
„
„
„
„
Desktop and mobile PCs  
Printers  
—
Programmable USB transceiver drive strength recovers signal  
integrity  
GPS navigation systems  
Media players/viewers  
Consumer A/V  
1.For xD-Picture CardTM support, please obtain a user license  
from the xD-Picture Card License Office.  
2.Host and media dependent.  
Set-top boxes  
„ Industrial products  
DATASHEET  
SMSC USB4640/USB4640i  
Revision 1.0 (06-09-09)  
1234567...64

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与USB4640相关器件

型号 品牌 获取价格 描述 数据表
USB4640-HZH SMSC

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 		High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
USB4640-HZH-03 MICROCHIP

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 		IC,BUS CONTROLLER,LLCC,48PIN
USB4640-HZH-03-TR MICROCHIP

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 		IC,BUS CONTROLLER,LLCC,48PIN
USB4640-HZH-TR-XX MICROCHIP

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 		SERIAL COMM CONTROLLER
USB4640-HZH-XX MICROCHIP

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 		SERIAL COMM CONTROLLER
USB4640-HZH-XX-TR SMSC

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 		Serial I/O Controller, CMOS
USB4640-HZH-XX-TR MICROCHIP

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 		SERIAL COMM CONTROLLER
USB4640I SMSC

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 		High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
USB4640I-HZH SMSC

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 		High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
USB4640I-HZH-03 MICROCHIP

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 		IC,BUS CONTROLLER,LLCC,48PIN

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