Fang Chun Yang
Abstract
Though USB is a high-speed smart interface, the development of USB devices is difficult because of the annoying protocol. This paper introduced the features and the development procedure of general USB devices. At last a concrete example with EZ-USB of Cypress Corporation is given for implement analysis.
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Though USB is a high-speed smart interface, the development of USB devices is difficult because of the annoying protocol. This paper introduced the features and the development procedure of general USB devices. At last a concrete example with EZ-USB of Cypress Corporation is given for implement analysis.
Key concepts: USB, Host controller interface, USB hub, Interface (matter), Embedded system, eXtensible Host Controller Interface (xHCI), PC Card, Protocol (science)