摘要
U SB( U niversal Serial Bus)经过了 9年发展 ,已经得到了市场的认可 ,其传输速度达到了最大 480 Mb/s的惊人地步 ,而 USB OTG ( On The Go)的推出更是鼓舞人心 ,其双重角色的强大功能可以使 U SB设备摆脱对 PC的完全依赖。 USB OTG是 U SB 2 .0规范的补充 ,他使外设可以在无主机参与的情况下直接互连进行通信工程。本文简单介绍了 U SB OTG的工作原理 ,并分析了现在 U SB OTG的应用情况 ,重点针对数码相机伴侣存在的问题 。
USB (Serial Bus of Universal) has developed for nine years, and is approved by the market.Its transmission speed reaches the surprising 480 Mb/s at the most. The appearance of USB OTG (OnTheGo) is more inspiring, whose strong functions of its dual role make USB devices break away from the complete reliance on PC. USB OTG is a supplemental standard to USB 2.0, which can make peripherals interconnect and communicate with each other direct in case of no host participates in. This paper simply introduces the operation principle of USB OTG, analyses the application situation of USB OTG, and puts emphasis on my own solution to the problem of which the digital camera companions have.
出处
《现代电子技术》
2004年第15期68-70,74,共4页
Modern Electronics Technique
