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HT45F3830 Datasheet(PDF) 87 Page - Holtek Semiconductor Inc |
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HT45F3830 Datasheet(HTML) 87 Page - Holtek Semiconductor Inc |
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87 / 149 page  Rev. 1.10 8� �an�a�� 0�� �01� Rev. 1.10 8� �an�a�� 0�� �01� HT45F3830 Ultrasonic Atomizer Flash MCU HT45F3830 Ultrasonic Atomizer Flash MCU Periodic Type TM – PTM ThePeriodicTypeTMcontainsfiveoperatingmodes,whichareCompareMatchOutput,Timer/ EventCounter,CaptureInput,SinglePulseOutputandPWMOutputmodes.ThePeriodicTMcan becontrolledwithtwoexternalinputpinsandcandriveoneexternaloutputpin. PTCKn 10-bit Co�nt-�p Co�nte� 10-bit Compa�ato� P CCRP 10-bit Compa�ato� A O�tp�t Cont�ol Pola�it� Cont�ol Pin Cont�ol PTPn CCRA Edge Detecto� Pin Cont�ol PTnCCLR fSYS fSYS/4 fH/�4 fH/1� fSUB PTnCK�~PTnCK0 PTnON PTnPAU Compa�ato� A Match Compa�ato� P Match Co�nte� Clea� PTnOC PTnM1� PTnM0 PTnIO1� PTnIO0 PTMnAF Inte���pt PTMnPF Inte���pt PTnPOL IOCNx PTnIO1� PTnIO0 fSUB IOCNx PTnCAPTS 000 001 010 011 100 101 110 111 b0~b9 b0~b9 0 1 1 0 Periodic Type TM Block Diagram (n=0 or 1) Periodic TM Operation ThePeriodicTypeTMcoreisa10-bitcount-upcounterwhichisdrivenbyauserselectableinternal orexternalclocksource.Therearealsotwointernalcomparatorswiththenames,ComparatorA andComparatorP.ThesecomparatorswillcomparethevalueinthecounterwithCCRPandCCRA registers.TheCCRPcomparatoris10-bitwide. Theonlywayofchangingthevalueofthe10-bitcounterusingtheapplicationprogram,isto clearthecounterbychangingthePTnONbitfromlowtohigh.Thecounterwillalsobecleared automaticallybyacounteroverfloworacomparematchwithoneofitsassociatedcomparators. Whentheseconditionsoccur,aPTMninterruptsignalwillalsousuallybegenerated.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 PTMnC0 PTnPAU PTnCK� PTnCK1 PTnCK0 PTnON — — — PTMnC1 PTnM1 PTnM0 PTnIO1 PTnIO0 PTnOC PTnPOL PTnCAPTS PTnCCLR PTMnDL D� D� D5 D4 D3 D� D1 D0 PTMnDH — — — — — — D9 D8 PTMnAL D� D� D5 D4 D3 D� D1 D0 PTMnAH — — — — — — D9 D8 PTMnRPL D� D� D5 D4 D3 D� D1 D0 PTMnRPH — — — — — — D9 D8 10-bit Periodic TM Register List (n=0 or 1) |
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