SCA_TCSR0
sca_write_1(sc, SCA_TCSR0, 0);
(void)sca_read_1(sc, SCA_TCSR0);
sca_write_1(sc, SCA_TCSR0, SCA_TCSR_TME);
while (!(sca_read_1(sc, SCA_TCSR0) & SCA_TCSR_CMF))
sca_write_1(sc, SCA_TCSR0, 0);