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HT45R2K-C Folha de dados(PDF) 73 Page - Holtek Semiconductor Inc |
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HT45R2K-C Folha de dados(HTML) 73 Page - Holtek Semiconductor Inc |
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73 / 105 page  Rev. 1.40 7� �a��� 1�� �01� Rev. 1.40 73 �a��� 1�� �01� HT45R2K-C/-B/-A Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale HT45R2K-C/-B/-A Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale Thevariousinterruptenablebits,togetherwiththeirassociatedrequestflags,areshowninthe followingdiagramwiththeirorderofpriority. 04H 08H 0CH 10H 14H 18H Low Priority High Request Flags Enable Bits Master Enable Request Flags Enable Bits EMI auto disabled in ISR Interrupt Name Interrupt Name EMI EMI EMI EMI EMI EMI M16CTF TK 16-bit M16CTE EIF INT Pin EEI T0F Timer0 ET0I T1F Timer1 ET1I MFF Multi-Function EMFI ADF A/D EADI TKF Touch Key TKE xxF Request Flag – no auto reset in ISR xxF Request Flag – auto reset in ISR xxE Enable Bit M10CTF TK 10-bit M10CTE T2F Timer2 ET21 Interrupt Vector Interrupts contained within Multi-Function Interrupt 04H 08H 0CH 10H 14H 18H Low Priority High Request Flags Enable Bits Master Enable Request Flags Enable Bits EMI auto disabled in ISR Interrupt Name Interrupt Name EMI EMI EMI EMI EMI EMI M16CTF TK 16-bit M16CTE EIF INT Pin EEI T0F Timer0 ET0I T1F Timer1 ET1I MFF Multi-Function EMFI ADF A/D EADI TKF Touch Key TKE xxF Request Flag – no auto reset in ISR xxF Request Flag – auto reset in ISR xxE Enable Bit M10CTF TK 10-bit M10CTE T2F Timer2 ET21 Interrupt Vector Interrupts contained within Multi-Function Interrupt Interrupt Structure Onceaninterruptsubroutineisserviced,alltheotherinterruptswillbeblocked,astheEMIbitwill beclearedautomatically.Thiswillpreventanyfurtherinterruptnestingfromoccurring.However, ifotherinterruptrequestsoccurduringthisinterval,althoughtheinterruptwillnotbeimmediately serviced,therequestflagwillstillberecorded.Ifaninterruptrequiresimmediateservicingwhilethe programisalreadyinanotherinterruptserviceroutine,theEMIbitshouldbesetafterenteringthe routine,toallowinterruptnesting.Ifthestackisfull,theinterruptrequestwillnotbeacknowledged, eveniftherelatedinterruptisenabled,untiltheStackPointerisdecremented.Ifimmediateservice isdesired,thestackmustbepreventedfrombecomingfull. Whenaninterruptrequestisgeneratedittakes2or3instructioncyclebeforetheprogramjumps totheinterruptvector.IfthedeviceisintheSleeporIdleModeandiswokenupbyaninterrupt requestthenitwilltake3cyclesbeforetheprogramjumpstotheinterruptvector. |
Nº de peça semelhante - HT45R2K-C_15 |
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Descrição semelhante - HT45R2K-C_15 |
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