这是博创科技PXA270A开发板的资料，详细介绍了各个部分的原理图以及PCB板图，对进行PXA270的硬件设计有很高的参考价值。,This is Fiberxon technology development board PXA270A information, detailed information on various parts of schematic and PCB board plans to conduct PXA270 hardware design has a high re