ICCR_ICE
iic_wr(pd, ICCR, ICCR_ICE | ICCR_TRS | ICCR_BBSY);
iic_wr(pd, ICCR, pd->send_stop ? ICCR_ICE | ICCR_TRS
: ICCR_ICE | ICCR_TRS | ICCR_BBSY);
iic_wr(pd, ICCR, ICCR_ICE | ICCR_SCP);
iic_wr(pd, ICCR, ICCR_ICE | ICCR_RACK);
iic_wr(pd, ICCR, ICCR_ICE | ICCR_RACK);
iic_wr(pd, ICCR, ICCR_ICE | ICCR_SCP);
iic_set_clr(pd, ICCR, ICCR_ICE, 0);