USB在高端单片机中也开始应用，通过USB可以方便与存储外设连接，实现现场数据的定期导出。

USB在高端单片机中也开始应用，通过USB可以方便与存储外设连接，实现现场数据的定期导出。-USB in the high-end single-chip microcomputer is also the beginning of the application through the USB peripherals and storage can be easily connected to realize the regular