VB编写程序，通过CY7C63000芯片实现与USB通信的示例。是学习软硬件接口的好代码-VB prepared by CY7C63000 chip to achieve communication with USB example. Learning hardware and software interface is a good code

南京沁源的键盘显示接口芯片示例程序，非常好用，值得推荐，刚在项目中用过