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USB2512I-AEZG PDF预览

USB2512I-AEZG

更新时间： 2024-11-14 03:18:03
品牌 Logo 应用领域
SMSC 控制器
页数 文件大小 规格书
37页 817K
描述
Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller

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中文翻译

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USB2512I-AEZG 数据手册

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USB2512i  
Industrial Temperature  
Rated USB 2.0 High-Speed  
2-Port Hub Controller  
Datasheet  
PRODUCT FEATURES  
„
Programmable USB signal drive strength. Recover  
USB signal integrity due to compromised system  
environment using 2-level driving strength resolution  
Select the presence of a permanently hardwired USB  
peripheral device on a port by port basis  
Configure the delay time for filtering the over-current  
sense inputs  
Configure the delay time for turning on downstream  
port power  
Indicate the maximum current that the 2-port hub  
consumes from the USB upstream port  
Indicate the maximum current required for the hub  
controller  
General Description  
The SMSC 2-Port Hub is a low power, OEM  
configurable, STT (Single transaction translator) hub  
controller IC with 2 downstream ports for embedded  
USB solutions. The 2-port hub is fully compliant with the  
USB 2.0 Specification and will attach to an upstream  
port as a Full-Speed Hub or as a Full-/High-Speed Hub.  
The 2-Port Hub supports Low-Speed, Full- Speed, and  
High-Speed (if operating as a High-Speed Hub)  
downstream devices on all of the enabled downstream  
ports.  
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General Features  
Pin Selectable Options for Default Configuration  
„
Hub Controller IC with 2 downstream ports  
Enhanced OEM configuration options available  
through either a single serial I2C EEPROM, or  
SMBus Slave Port  
—
Select Downstream Ports as Non-Removable Ports  
„
Applications  
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LCD monitors and TVs  
Multi-function USB peripherals  
PC mother boards  
Set-top boxes, DVD players, DVR/PVR  
Printers and scanners  
PC media drive bay  
Portable hub boxes  
Mobile PC docking  
Embedded systems  
„
„
36-pin (6x6mm) QFN lead-free, RoHS compliant  
package  
Supports industrial temperature range of -40ºC - 85ºC  
Hardware Features  
„
Low power operation  
„
Full Power Management with individual or ganged  
power control of each downstream port  
On-chip Power On Reset (POR)  
Internal 1.8V Voltage Regulator  
Fully integrated USB termination and Pull-up/Pull-  
down resistors  
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On Board 24MHz Crystal Driver, Resonator or  
External 24MHz clock input  
Enhanced EMI rejection and ESD protection  
performance  
OEM Selectable Features  
„
Customize Vendor ID, Product ID, and Device ID  
Select whether the hub is part of a compound device  
(When any downstream port is permanently  
hardwired to a USB peripheral device, the hub is part  
of a compound device)  
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Flexible port mapping and disable sequence. Ports  
can be disabled/reordered in any order to support  
multiple product SKUs. Hub will automatically reorder  
the remaining ports to match the Host controller's  
numbering scheme.  
Programmable USB differential-pair pin location.  
Ease PCB layout by aligning USB signal lines directly  
to connectors  
SMSC USB2512i  
DATASHEET  
Revision 1.92 (11-28-07)  
1234567...37

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