实现dsp28335的串口通信程序 EALLOW; // This is needed to write to EALLOW protected registers PieVectTable.SCIRXINTA = &sciaRxIsr; PieVectTable.SCITXINTA = &sciaTxIsr; PieVectTable.SCIRXINTB = &scibRxIsr; PieVectTable.SCITXINTB = &scibTxIsr; EDIS; // This is needed to disable write to EALLOW protected registers