TI公司EVMK2E开发板的一个例程，其作用为单核操控PA、EMAC、QM、PKTDMA等组件完成网络通信-An example of EVMK2E development board producted by TI company, whose function is communicated with network under mononuclear control of the PA, EMAC, QM and PKTDMA components