这是本人开发的ARM9核心板的底板，包括原理图和PCB文件，经过实际应用，运行正常！各位同僚可参考借鉴！-This is my core ARM9 development board floor, including schematic and PCB files, through the practical application, to run properly! Colleagues can refer to learn!

mini2440开发板pcb，嵌入式ARM9原理图pcb-mini2440 development board pcb