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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT82B42R датащи(PDF) 36 Page - Holtek Semiconductor Inc |
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HT82B42R датащи(HTML) 36 Page - Holtek Semiconductor Inc |
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36 / 86 page  Rev. 1.00 36 October 27, 2011 Rev. 1.00 37 October 27, 2011 HT82B42R/HT82B42RE I/O MCU with USB Interface Interrupts Interruptsareanimportantpartofanymicrocontrollersystem.Whenaninternalfunctionsuch asaTimer/EventCounteroverflow,aUSBinterruptoccur,oraSPIinterrupttakesplace,their correspondinginterruptwillenforceatemporarysuspensionofthemainprogramallowing themicrocontrollertodirectattentiontotheirrespectiveneedswhiletheinternalinterruptsare controlledbytheTimer/EventCounteroverflow,USBinterruptorreceptionandtheSPIonebyte receptionortransmission. Interrupt Registers Overallinterruptcontrol,whichmeansinterruptenablingandrequestflagsetting,iscontrolledby theinterruptcontrolregisters,INTC0andINTC1.Bycontrollingtheappropriateenablebitsinthe registerseachindividualinterruptcanbeenabledordisabled.Alsowhenaninterruptoccurs,the correspondingrequestflagwillbesetbythemicrocontroller.Theglobalenableflagifclearedto zerowilldisableallinterrupts. INTC0 Register Bit 7 6 5 4 3 2 1 0 Name ― T1F T0F USBF ET1I ET0I EUI EMI R/W ― R/W R/W R/W R/W R/W R/W R/W POR ― 0 0 0 0 0 0 0 Bit7 Unimplemented,readas“0” Bit6 T1F:Timer/EventCounter1interruptrequestflag 0:inactive 1:active Bit5 T0F:Timer/EventCounter0interruptrequestflag 0:inactive 1:active Bit4 USBF:USBinterruptrequestflag 0:inactive 1:active Bit3 ET1I:Timer/EventCounter1interruptenable 0:disable 1:enable Bit2 ET0I:Timer/EventCounter0interruptenable 0:disable 1:enable Bit1 EUI:USBinterruptenable 0:disable 1:enable Bit0 EMI:Masterinterruptglobalenable 0:disable 1:enable |
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