DTCHE
r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port));
r8a66597_bclr(r8a66597, DTCHE, get_intenb_reg(port));
r8a66597_bclr(r8a66597, DTCHE, INTENB2);
r8a66597_bclr(r8a66597, DTCHE, INTENB1);
intenb1 |= DTCHE;