//这段代码耗费时间150us 波特率256000
// GpioDataRegs.GPBSET.bit.GPIO54 = 1; //上电配置输出高电平
/*
ScicRegs.SCITXBUF = 0x00;
while(ScicRegs.SCICTL2.bit.TXRDY!=1){}
ScicRegs.SCITXBUF = 0x00;
while(ScicRegs.SCICTL2.bit.TXRDY!=1){}
ScicRegs.SCITXBUF = 0x80;
while(ScicRegs.SCICTL2.bit.TXRDY!=1){}
ScicRegs.SCITXBUF = 0x7f;
while(ScicRegs.SCICTL2.bit.TXRDY!=1){}
*/
//GpioDataRegs.GPBCLEAR.bit.GPIO54 = 1; //上电配置输出低电平