摘要
阐述了数据在USB总线上的传输机理,高速USB2.0的数据传输能力,USB支持的控制传输、同步传输、块传输及中断传输4种传输类型。介绍了Cypress公司的EZ-USBFX2高速外设控制器的内部结构、工作原理和使用时要注意的问题。
It presents the transmission mechanism of the data on the USB and the ability of transferring data of the high-speed USB 2.0. The USB supports four transmisson types: control transmission,synchronous transmission, reley transmission and block transmission. Moreover, it introduces the internal structure and working principle of ZE-USB FX 2′s high-speed external installed controller which is produced by Cypress, and some questions should be paid attention to use them.
出处
《电子产品可靠性与环境试验》
2004年第5期56-60,共5页
Electronic Product Reliability and Environmental Testing
关键词
通用串行总线
传输类型
规范
外设
universal serial bus
transmission type
specification
peripheral external