3.2INTERRUPTSETTINGSFivedifferenttypesofinterruptscanbeprogrammed.Whenthecorrespondingcriterionbecomesvalid,theinterruptpinistriggeredtoahighlevel.AllinterruptcriteriaarecombinedanddrivetheinterruptpadwithanBooleancondition.3.2中断设置5种不同类型的可编程中断。当相应的(中断)准则有效时，中断引脚被一个高电平触发。所有的中断准则都是相结合(联合的)的（combined），而且可以用布尔条件来（Booleancondition）驱动中断缓冲器。InterruptgenerationsmaybedisturbedbychangesofEEPROM,imageorothercontrolbitsbecausesomeofthesebitsinfluencetheinterruptcalculation.Asaconsequence,nowritesequenceshouldoccurwhenmicroprocessoristriggeredbyinterruptortheinterruptshouldbedeactivatedonthemicroprocessorsidewhenwritesequencesareoperated.中断的产生可能被EEPROM，image或其他控制位的改变所改变.因为其中一些控制位影响中断计算。因此，未写的（中断）时间序列应该在微处理器被其他中断触发（生效）前发生，或者微处理器应该屏蔽（后来发生的）中断当已写（中断）时间序列（writesequences）正在运行时。Interruptcriteriaareusingdigitalcodecomingfromdigitalfilteroutput.Asaconsequenceallthresholdsarescaledwithrangeselection(section3.1.3.2).Timingsusedforhighaccelerationandlowaccelerationdebouncingareabsolutevalues(1LSBofHG_durandLG_durregisterscorrespondsto1millisecond,timimingaccuracyisproportionaltooscillatoraccuracy=+/-10%),thusitdoesnotdependonselectedbandwidth.Timingsusedforanymotioninterruptandalertdetectionareproportionaltobandwidthsettings(section3.1.3).中断准则使用的数字代码来自数字滤波器输出。因此所有阈值的设置都由量程选择开关来界定（section3.1.3.2）。用于高加速度和低加速度之间的去抖的timiming(定时)是绝对值（HG_dur和LG_dur寄存器的一个最小可分辨信号相当于1毫秒，timiming的准确性于振荡器精度成正比=+/-10％），因此，它并不依赖于选定的带宽。用于anymotion中断位和alert规则的timiming正比于带宽设置（section3.1.3）。3.2.1Enable_LG使能位_LG:Thisbit(address0Bh,bit0)enablestheLG_threscriteriatogenerateaninterrupt.这个位（address0Bh,bit0）使LG_thres(lowg阈值)准则产生一个中断。3.2.2Enable_HG:Thisbit(address0Bh,bit1)enablestheHG_threscriteriatogenerateaninterrupt.这位（address0Bh,bit1）使HG_thres（highg阈值）准则产生一个中断。3.2.3Enable_adv_INT:Thisbit(address15h,bit6)isusedtodisableadvancedinterruptcontrolbits(any_motion,alert).Ifenable_adv_INT=0,writingtothesebitshasnoeffectonsensorICfunction.这个位（address15h,bit6）是用来屏蔽高级中断控制位（any_motion，alert）。如果enable_adv_INT=0，写这些位（any_motion，alert）不会改变传感器IC的功能。3.2.4Any_motion:Thisbit((address0Bh,bit6)enablestheanymotioncriteriatogeneratedirectlyaninterrupt.Itcannotbeturnedonsimultaneouslywithalert.Thisbitcanbemaskedbyenable_adv_INT,thevalueofthisbitisignoredwhenenable_adv_INT=0(section3.2.3)这个位（address0Bh,bit6）使any_motion准则产生直接中断。它不能和alert位同时打开。这一位的值可以被enable_adv_INT位屏蔽。当enable_adv_INT=0时,这一位的值被忽视。(section3.2.3)3.2.5Alert:Ifthisbit(address0Bh,bit7)isat1,theany_motioncriterionwillsetSMB380intoalertmode(section3.2.9).Thisbitcanbemaskedbyenable_adv_INT,thevalueofthisbitisignoredwhenenable_adv_INT=0(section3.2.3)如果此位（address0Bh,bit7）是1，any_motion准则将使SMB380进入警戒模式(注意此模式有什么功能？)。(section3.2.9)这一位的值可以被enable_adv_INT位屏蔽。当enable_adv_INT=0时这一位的值被忽视。(section3.2.3)3.2.6Latch_INT:Ifthisbit(address15h,bit4)isat1,interruptsarelatched.TheINTpadstayshighuntilmicro...
