void itead_studio_itdb02_write_16b_to_8b_bus(ITDB02_BUS_STATE_t *self, int data);
itead_studio_itdb02_write_16b_to_8b_bus writes 16 bits of data to the 16-bit ITDB02 bus self. The bus may be implemented as a single 16-bit parallel bus or as an 8-bit bus that requires two 8-bit write cycles.