这是博创科技PXA270A开发板的资料，详细介绍了各个部分的原原理图和PCB板图，对进行PXA270的硬件设计有很高的参考价值。 -This is a the Borch the technology PXA270A development board information, detailing the various parts of the original schematic and PCB plans on the the PXA270 hardware design of hig