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HT45F5N Datasheet(PDF) 90 Page - Holtek Semiconductor Inc |
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HT45F5N Datasheet(HTML) 90 Page - Holtek Semiconductor Inc |
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90 / 202 page  Rev. 1.00 90 �ove��e� 1�� �01� Rev. 1.00 91 �ove��e� 1�� �01� HT45F5N/HT45FH5N Power Bank ASSP Flash MCU HT45F5N/HT45FH5N Power Bank ASSP Flash MCU Periodic Type TM – PTM ThePeriodicTypeTMcontainsfiveoperatingmodes,whichareCompareMatchOutput,Timer/ EventCounter,CaptureInput,SinglePulseOutputandPWMOutputmodes. fSYS fSYS/4 fH/�4 fH/1� fTBC PTCK 000 001 010 011 100 101 110 111 PTCK�~PTCK0 10-�it Count-up Counte� 10-�it Co�pa�ato� P CCRP �0~�9 �0~�9 10-�it Co�pa�ato� A PTO� PTPAU Co�pa�ato� A Match Co�pa�ato� P Match Counte� Clea� 0 1 Output Cont�ol Pola�ity Cont�ol PTP Pin Input/Output PTP PTOC PTM1� PTM0 PTIO1� PTIO0 PTMAF Inte��upt PTMPF Inte��upt PTPOL CCRA PTCCLR Edge Detecto� PTIO1� PTIO0 fH 1 0 PTCAPTS Periodic Type TM Block Diagram Periodic TM Operation ThePeriodicTypeTMcoreisa10-bitcount-upcounterwhichisdrivenbyauserselectableinternal orexternalclocksource.Therearealsotwointernalcomparatorswiththenames,ComparatorA andComparatorP.ThesecomparatorswillcomparethevalueinthecounterwithCCRPandCCRA registers.TheCCRPcomparatoris10-bitwide. Theonlywayofchangingthevalueofthe10-bitcounterusingtheapplicationprogram,isto clearthecounterbychangingthePTONbitfromlowtohigh.Thecounterwillalsobecleared automaticallybyacounteroverfloworacomparematchwithoneofitsassociatedcomparators. Whentheseconditionsoccur,aPTMinterruptsignalwillalsousuallybegenerated.ThePeriodic TypeTMcanoperateinanumberofdifferentoperationalmodes,canbedrivenbydifferentclock sourcesincludinganinputpinandcanalsocontrolmorethanoneoutputpin.Alloperatingsetup conditionsareselectedusingrelevantinternalregisters. Periodic Type TM Register Description OveralloperationofthePeriodicTypeTMiscontrolledusingaseriesofregisters.Areadonly registerpairexiststostoretheinternalcounter10-bitvalue,whiletworead/writeregisterpairsexist tostoretheinternal10-bitCCRAvalueandCCRPvalue.Theremainingtworegistersarecontrol registerswhichsetupthedifferentoperatingandcontrolmodes. Register Name Bit 7 6 5 4 3 2 1 0 PTMC0 PTPAU PTCK� PTCK1 PTCK0 PTO� — — — PTMC1 PTM1 PTM0 PTIO1 PTIO0 PTOC PTPOL PTCAPTS PTCCLR PTMDL D7 D� D5 D4 D3 D� D1 D0 PTMDH — — — — — — D9 D� PTMAL D7 D� D5 D4 D3 D� D1 D0 PTMAH — — — — — — D9 D� PTMRPL D7 D� D5 D4 D3 D� D1 D0 PTMRPH — — — — — — D9 D� 10-bit Periodic TM Register List |
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