Freescale Semiconductor TWR-MCF52259-Ethenet - Manual (Page 125)

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Introduction to USB USB On-the-Go:
What Applications would use it?
OTG Device in
Peripheral mode Same OTG Device
in host mode
Above is a typical applications that would use USB On-the-Go. On the
left laptop is acting as the host controlling the flow of data to the camera
phone and on the right the camera phone is acting as the host
controlling the flow of data to the printer. Depending upon the
application, a device can dynamically decide whether it will be the host
or the device. Other possible applications include:
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