usb的测试源码 PDIUSBD12 是一款性价比很高的USB 器件它通常用作微控制器系统中实现与微控制器进行通信的 高速通用并行接口它还支持本地的DMA 传输 这种实现USB 接口的标准组件使得设计者可以在各种不同类型微控制器中选择出最合适的微控制器 这种灵活性减小了开发的时间风险以及费用通过使用已有的结构和减少固件上的投资从而用最快捷 的方法实现最经济的USB 外设的解决方案-usb source PDIUSBD12 test is a highly cost-effective USB device it is usually used for microcontroller system to achieve micro-controller and high-speed communications Universal Parallel Interface It also supports local DMA USB interface to achieve this standard components enables designers in different types of microcontrollers selected Optional out the most suitable microcontroller this flexibility reduces the development time and cost risks through the use of the existing structure and reduce investment in the firmware so that the most efficient way to achieve the most economical USB peripherals solutions