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USB3813I-1080XY 参数 Datasheet PDF下载

USB3813I-1080XY图片预览
型号: USB3813I-1080XY
PDF下载: 下载PDF文件 查看货源
内容描述: USB 2.0高速3端口集线器控制器经过优化,用于便携式应用 [USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications]
分类和应用: 控制器便携式
文件页数/大小: 68 页 / 882 K
品牌: SMSC [ SMSC CORPORATION ]
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USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications  
Datasheet  
2
6.2.1.2  
6.2.1.3  
6.2.1.4  
6.2.1.5  
I C Master Access over USB  
Access to I2C devices is performed as a pass-through operation from the USB Host. The device  
firmware has no knowledge of the operation of the attached I2C device. The supported commands are:  
Enable I2C pass through mode  
Disable I2C pass through mode  
I2C write  
I2C read  
Send I2C start  
Send I2C stop  
SPI Access over USB  
Access to an attached SPI device is performed as a pass-through operation from the USB Host. The  
device firmware has no knowledge of the operation of the attached SPI device. The supported  
commands are:  
Enable SPI pass through mode  
Disable SPI pass through mode  
SPI write  
SPI read  
Note: Refer to Section 7.1, "SPI Interface," on page 28 for additional information on the SPI interface.  
OTP Access over USB  
The OTP ROM in the device is accessible via the USB bus. All OTP parameters can modified via the  
USB Host. The OTP operates in Single Ended mode. The supported commands are:  
Enable OTP reset  
Set OTP operating mode  
Set OTP read mode  
Program OTP  
Get OTP status  
Program OTP control parameters  
Battery Charging Access over USB  
The Battery charging behavior of the device can be dynamically changed by the USB Host when  
something other than the preprogrammed or OTP programmed behavior is desired. The supported  
commands are:  
Enable/Disable battery charging  
Upstream battery charging mode control  
Downstream battery charging mode control  
Battery charging timing parameters  
Download custom battery charging algorithm  
SMSC USB3813  
25  
Revision 1.0 (06-17-13)  
DATASHEET