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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT68F003 датащи(PDF) 85 Page - Holtek Semiconductor Inc |
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HT68F003 датащи(HTML) 85 Page - Holtek Semiconductor Inc |
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85 / 119 page  Rev. 1.41 84 April 11, 2017 Rev. 1.41 85 April 11, 2017 HT68F002/HT68F0025/HT68F003 Cost-Effective Flash MCU with EEPROM HT68F002/HT68F0025/HT68F003 Cost-Effective Flash MCU with EEPROM Single Pulse Output Mode Toselectthismode,therequiredbitpairs,PT1M1andPT1M0shouldbesetto10respectivelyand alsothecorrespondingPT1IO1andPT1IO0bitsshouldbesetto11respectively.TheSinglePulse OutputMode,asthenamesuggests,willgenerateasingleshotpulseontheTMoutputpin. ThetriggerforthepulseoutputleadingedgeisalowtohightransitionofthePT1ONbit,which canbeimplementedusingtheapplicationprogram.HoweverintheSinglePulseMode,thePT1ON bitcanalsobemadetoautomaticallychangefromlowtohighusingtheexternalPTCK1pin, whichwillinturninitiatetheSinglePulseoutput.WhenthePT1ONbittransitionstoahighlevel, thecounterwillstartrunningandthepulseleadingedgewillbegenerated.ThePT1ONbitshould remainhighwhenthepulseisinitsactivestate.Thegeneratedpulsetrailingedgewillbegenerated whenthePT1ONbitisclearedtozero,whichcanbeimplementedusingtheapplicationprogramor whenacomparematchoccursfromComparatorA. HoweveracomparematchfromComparatorAwillalsoautomaticallyclearthePT1ONbitandthus generatetheSinglePulseoutputtrailingedge.InthiswaytheCCRAvaluecanbeusedtocontrol thepulsewidth.AcomparematchfromComparatorAwillalsogenerateTMinterrupts.Thecounter canonlyberesetbacktozerowhenthePT1ONbitchangesfromlowtohighwhenthecounter restarts.IntheSinglePulseModeCCRPisnotused.ThePT1CCLRbitisalsonotused. S/W Command SET“PT1ON” or PTCK1 Pin Transition Trailing Edge S/W Command CLR“PT1ON” or CCRA Compare Match PTP1/PTP1B Output Pin Pulse Width = CCRA Value Leading Edge PT1ON bit 0 → 1 PT1ON bit 1 → 0 Single Pulse Generation |
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