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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45F4MA датащи(PDF) 55 Page - Holtek Semiconductor Inc |
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HT45F4MA датащи(HTML) 55 Page - Holtek Semiconductor Inc |
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55 / 145 page  Rev. 1.20 5� De�e��e� 1�� 201� Rev. 1.20 55 De�e��e� 1�� 201� HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Flash MCU HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Flash MCU Port A Wake-up TheHALTinstructionforcesthemicrocontrollerintotheSLEEPorIDLEModewhichpreserves power,afeaturethatisimportantforbatteryandotherlow-powerapplications.Variousmethods existtowake-upthemicrocontroller,oneofwhichistochangethelogicconditionononeofthePort Apinsfromhightolow.Thisfunctionisespeciallysuitableforapplicationsthatcanbewokenup viaexternalswitches.EachpinonPortAcanbeselectedindividuallytohavethiswake-upfeature usingthePAWUregister. PAWU Register Bit 7 6 5 4 3 2 1 0 Na�e D7 D� D5 D� D3 D2 D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7~0 I/OPortAbit7~bit0WakeUpControl 0:Disable 1:Enable I/O Port Control Registers EachI/OporthasitsowncontrolregisterknownasPAC~PBC,tocontroltheinput/output configuration.Withthiscontrolregister,eachCMOSoutputorinputcanbereconfigured dynamicallyundersoftwarecontrol.EachpinoftheI/Oportsisdirectlymappedtoabitinits associatedportcontrolregister.FortheI/Opintofunctionasaninput,thecorrespondingbitofthe controlregistermustbewrittenasa“1”.Thiswillthenallowthelogicstateoftheinputpintobe directlyreadbyinstructions.Whenthecorrespondingbitofthecontrolregisteriswrittenasa“0”, theI/OpinwillbesetupasaCMOSoutput.Ifthepiniscurrentlysetupasanoutput,instructions canstillbeusedtoreadtheoutputregister.However,itshouldbenotedthattheprogramwillinfact onlyreadthestatusoftheoutputdatalatchandnottheactuallogicstatusoftheoutputpin. PAC Register Bit 7 6 5 4 3 2 1 0 Na�e D7 D� D5 D� D3 D2 D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 1 1 1 1 1 1 1 1 Bit7~0 I/OPortAbit7~bit0Input/OutputControl 0:Output 1:Input PBC Register Bit 7 6 5 4 3 2 1 0 Na�e D7 D� D5 D� D3 D2 D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 1 1 1 1 1 1 1 1 Bit7~0 I/OPortBbit7~bit0Input/OutputControl 0:Output 1:Input |
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