开发一个U盘的全套资料，单片机采用Cypress SL811HS，包含原理图，PCB图，器件资料和源程序，自己开发U盘或者是基于USB协议产品，这样的资料就你想要得！-development of a U disk full set of information, microcontroller using Cypress SL811HS, includes drawings, PCB plans, device information and source files, develope