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HT68F005 Datasheet(PDF) 54 Page - Holtek Semiconductor Inc |
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HT68F005 Datasheet(HTML) 54 Page - Holtek Semiconductor Inc |
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54 / 93 page  Rev. 1.00 54 ��to�e� ��� �01� Rev. 1.00 55 ��to�e� ��� �01� HT68F005/HT68F006 Enhanced I/O Flash Type MCU HT68F005/HT68F006 Enhanced I/O Flash Type MCU TM External Pins EachoftheTMshasoneTMinputpin,withthelabelTCKn.TheTMinputpin,isessentiallya clocksourcefortheTMandisselectedusingtheTnCK2~TnCK0bitsintheTMnC0register.This externalTMinputpinallowsanexternalclocksourcetodrivetheinternalTM.ThisexternalTM inputpinissharedwithotherfunctionsbutwillbeconnectedtotheinternalTMifselectedusingthe TnCK2~TnCK0bits.TheTMinputpincanbechosentohaveeitherarisingorfallingactiveedge. TheTMseachhavetwooutputpinswiththelabelTPn_0andTPn_1.WhentheTMisinthe CompareMatchOutputMode,thesepinscanbecontrolledbytheTMtoswitchtoahighorlow levelortotogglewhenacomparematchsituationoccurs.TheexternalTPn_0andTPn_1output pinsarealsothepinswheretheTMgeneratesthePWMoutputwaveform.AstheTPn_0andTPn_1 pinsarepin-sharedwithotherfunctions,theTPn_0orTPn_1pinfunctionisenabledordisabled accordingtotheinternalTMon/offcontrol,operationmodeandoutputcontrolsettings.Whenthe correspondingTMconfigurationselectstheTPn_0orTPn_1pintobeusedasanoutputpin,the associatedpinwillbesetupasanexternalTMoutputpin.IftheTMconfigurationdeterminesthat theTPn_0orTPn_1pinfunctionisnotused,theassociatedpinwillbecontrolledbyotherpin- sharedfunctions.ThedetailsoftheTPn_0orTPn_1pinforeachTManddeviceareprovidedinthe accompanyingtable. Device TM0 TM1 HT68F005/HT68F006 TP0_0� TP0_1 TP1_0� TP1_1 TM Output Pins TC K I npu t TM 0 (C TM ) PA 7/ TC K0 PA5 O ut pu t Fu nc ti on 0 1 PA5 1 0 Ou t put PA5 /T P 0_1 T0 CP 1 PA2 O ut pu t Fu nc ti on 0 1 PA2 1 0 PA2 /T P 0_0 T0 CP 0 TC K I npu t TM 1 (C TM ) PA 2/ TC K1 PA4 O ut pu t Fu nc ti on 0 1 PA4 1 0 Ou t put PA4 /T P 1_1 T1 CP 1 PA6 O ut pu t Fu nc ti on 0 1 PA6 1 0 PA6 /T P 1_0 T1 CP 0 HT68F005/HT68F006 TM Function Pin Control Block Diagram |
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