ASC_IOP_EEP_DATA
#define ASC_GET_CHIP_EEP_DATA(iot, ioh) bus_space_read_2((iot), (ioh), ASC_IOP_EEP_DATA)
#define ASC_SET_CHIP_EEP_DATA(iot, ioh, data) bus_space_write_2((iot), (ioh), ASC_IOP_EEP_DATA, data)