Design and realization of USB interface in the embedded system
Lin Tian
Abstract
Lin Tian
Abstract
To control peripheral unit USB Host must be realized in embeded system.This paper puts forward a 32 bit MPU+RTOS for realizing USB Host.To use ISP1160 as USB main controller and AT91R40008 in which μC/OS-Ⅱ is transplanted as microcomputer.It is given a way to realize the embedded USB Host through the design of hardwares and softwares.This technics makes the embedded system connect USB peripheral unit,enlarge function,enhance flexibility of use.
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To control peripheral unit USB Host must be realized in embeded system.This paper puts forward a 32 bit MPU+RTOS for realizing USB Host.To use ISP1160 as USB main controller and AT91R40008 in which μC/OS-Ⅱ is transplanted as microcomputer.It is given a way to realize the embedded USB Host through the design of hardwares and softwares.This technics makes the embedded system connect USB peripheral unit,enlarge function,enhance flexibility of use.
Key concepts: USB, Host controller interface, USB hub, eXtensible Host Controller Interface (xHCI), Embedded system, Interface (matter), PC Card, Flexibility (engineering)