ORX_NSU_AOX_STDBY_W__A
rc = drxj_dap_read_reg16(dev_addr, ORX_NSU_AOX_STDBY_W__A, &data, 0);
rc = drxj_dap_write_reg16(dev_addr, ORX_NSU_AOX_STDBY_W__A, data, 0);