如何改良USB接口的EMI和ESD设计。时下流行的USB2.0接口具有高达480Mbps的传输速率，并与传输速率为12Mbps的全速USB1.1和传输速率为1.5Mbps的低速USB1.0完全兼容。这使得数字图像器、扫描仪、视频会议摄像机等消费类产品可以与计算机进行高速、高性能的数据传输。另外值得一提的是，USB2.0的加强版USB OTG可以实现没有主机时设备与设备之间的数据传输。-How to improve the USB interface of EMI and ESD design. Popular USB2.0 interface with transfer rate up to 480Mbps and 12Mbps transfer rate for the full-speed USB1.1 and transmission rate of 1.5Mbps low-speed fully compatible with USB1.0. This makes digital imaging devices, scanners, video conferencing cameras, such as consumer products and computer high-speed, high-performance data transmission. Also worth mentioning are, USB2.0 enhanced version of USB OTG host can be achieved when there is no equipment and data transmission between devices.