使用LPC214x的USB设备功能实现的USB虚拟串口功能。-This application note describes how to design a virtual COM driver using USB device on LPC214x.

usb转串口驱动方便大家下载，不用到处找。51单片机：http://www.mcujc.com-usb to serial port driver to facilitate download, do not find that. 51 MCU: http://www.mcujc.com

1.C8051F320做的测试USB速度可到240KBps. 包含单片机源码,驱动和上位机程序2.MCUc8051f040用自带的IIC控制器读写实时钟芯片PCF8563,完成BCD码到十进制码转换3.PCF8563的驱动程序,通过模拟IIC总线对PCF8563进行访问,有完整的读写报警,定时中断,最后把时间显示在LED上4.USB CDC using C8051F320340, virtual COM port thru usb connection5.本库函数实现了C8051F020 SMB

stm32f103c8t6 usb 转com 源代码和驱动。原始程序是103vct 移植后适用与103c8t6-stm32f103 usb to com source and driver