USB 2.0 continues to be one of the
most widely-used systems buses in all
manner of systems, due to its reliability,
simple plug-and-play usability and costeffectiveness. While itís not the fastest
version of USB, with bit rates up to
480 Mb/s, it covers a wide range of applications. Although formal compliance
testing isnít a requirement in all cases,
comprehensive electrical testing and debug are important steps to ensuring reliable operation. This article gives a breakdown of the key tests.