USB方向
摘要：
Because the host is always the bus master, it is easy to remember USB direction: OUT means from the host to the device, and IN means from the device t... 阅读全文
posted @ 2014-06-26 10:38 oO龍飛Oo 阅读(288) 评论(0) 推荐(0) 编辑
cypress的EZ-USB对于USB的介绍
摘要：
Host is MasterThis is a fundamental USB concept. There is exactly onemaster in a USB system: the host computer. USB devicesrespond to host requests. U... 阅读全文
posted @ 2014-06-26 10:04 oO龍飛Oo 阅读(570) 评论(0) 推荐(0) 编辑
