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Guide to AM335x and AM43xx USB layout

Posted: 18 Sep 2014     Print Version  Bookmark and Share

Keywords:USB  differential signal pair  noise source  board designs  signal isolation 

The primary source of energy in a USB 2.0 design is the differential signal pair, DATA+ (DP), and DATA- (DM). Depending on the type of USB connection, this differential interface can operate at frequencies as high as 240MHz, which can present a significant noise source for board designs that do not take steps to ensure signal isolation and overall signal quality.

View the PDF document for more information.

Originally published by Texas Instruments Inc. at as "AM335x and AM43xx USB Layout Guidelines".

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