at89c51读写Usb源程序和原理图。有详细C51源码。-at89c51 Usb source and schematic reading and writing

利用芯片CY7C63723设计的USB/PS2鼠标，含有所有驱动源代码和硬件原理图，对开发计算机USB或PS2设备很有参考价值，开发环境为keil C51.-USB/PS2 mouse chip CY7C63723 design contains all the driver source code and hardware schematics, the development computer USB or PS2 devices of great reference value, a de