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USB OTG HOST Mode on AM3517 EVM

ZhiRong Hsu
Prodigy 10 points
Other Parts Discussed in Thread: AM3517

Hi,

I have two bus-powered usb flash dirves. A  has MaxPower 100 mA and B has MaxPower 500 mA.

I plug A drive to USB0 (HOST Mode), it's work and I could see this device on Storage Manager in WINCE.

  When I plug B drive to USB0, it doesn't work. But when I put a self-powered hub between B drive and USB0, the B drive works and I could see this device on Storage Manager in WINCE.

Is there any power constraint of USB0 on AM3517 EVM ?

Thanks.