这是基于TQ2440的裸板程序，包含触摸屏，通信接口键盘等芯片内部资源极其常用外设的应用，对于快速熟悉2440芯片掌握arm开发具有十分良好的参考作用。-This application is based on the the TQ2440 bare board procedures, including touch screen, communication interface keyboard chip internal resources is extremely common perip