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How to Select a USB Host Controller

Authored on: Feb 10, 2010 by Yingbo Hu

Technical Paper

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Many people we talk to assume that USB through-put in bytes per second will be the rated bus speed divided by 8. This is only the case if one is using a GHz processor with a DMA USB controller. Actual performance in a typical embedded system will fall far short of this. This paper gives some suggestions to achieve your performance goals, based upon our experience.

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