SC589 SRU

FOR EXCEMPLE

SRU(DAI0_PB01_O, DAI0_PB13_I);
SRU(DAI0_PB02_O, DAI0_PB14_I);
SRU(DAI0_PB03_O, DAI0_PB15_I);
SRU(DAI0_PB04_O, DAI0_PB16_I);

WHERE DEFINE  "DAI0_PB04_O"   ,"DAI0_PB03_O"

I CAN'T JUMP INTO KNOW  THE VALUE OF THEM.