ESA_ASSP_CONTROL_B
bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP);
bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP);
ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B);