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HT66F019 Datasheet(PDF) 90 Page - Holtek Semiconductor Inc |
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HT66F019 Datasheet(HTML) 90 Page - Holtek Semiconductor Inc |
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90 / 175 page  Rev. 1.00 90 De�e��e� 01� �01� Rev. 1.00 91 De�e��e� 01� �01� HT66F019 A/D Flash MCU with EEPROM HT66F019 A/D Flash MCU with EEPROM Register Name Bit 7 6 5 4 3 2 1 0 PTMC0 PTPAU PTCK� PTCK1 PTCK0 PTON — — — PTMC1 PTM1 PTM0 PTIO1 PTIO0 PTOC PTPOL PTCAPTS PTCCLR PTMDL D� D6 D5 D4 D3 D� D1 D0 PTMDH — — — — — — D9 D8 PTMAL D� D6 D5 D4 D3 D� D1 D0 PTMAH — — — — — — D9 D8 PTMRPL PTRP� PTRP6 PTRP5 PTRP4 PTRP3 PTRP� PTRP1 PTRP0 PTMRPH — — — — — — PTRP9 PTRP8 10-bit Periodic TM Register List • PTMC0 Register Bit 7 6 5 4 3 2 1 0 Na�e PTPAU PTCK� PTCK1 PTCK0 PTON — — — R/W R/W R/W R/W R/W R/W — — — POR 0 0 0 0 0 — — — Bit7 PTPAU:PTMCounterPausecontrol 0:Run 1:Pause Thecountercanbepausedbysettingthisbithigh.Clearingthebittozerorestores normalcounteroperation.WheninaPauseconditionthePTMwillremainpowered upandcontinuetoconsumepower.Thecounterwillretainitsresidualvaluewhen thisbitchangesfromlowtohighandresumecountingfromthisvaluewhenthebit changestoalowvalueagain. Bit6~4 PTCK2~PTCK0:SelectPTMCounterclock 000:fSYS/4 001:fSYS 010:fH/16 011:fH/64 100:fSUB 101:fSUB 110:PTCKrisingedgeclock 111:PTCKfallingedgeclock ThesethreebitsareusedtoselecttheclocksourceforthePTM.Theexternalpinclock sourcecanbechosentobeactiveontherisingorfallingedge.TheclocksourcefSYSis thesystemclock,whilefHandfSUBareotherinternalclocks,thedetailsofwhichcan befoundintheoscillatorsection. Bit3 PTON:PTMCounterOn/Offcontrol 0:Off 1:On Thisbitcontrolstheoverallon/offfunctionofthePTM.Settingthebithighenables thecountertorunwhileclearingthebitdisablesthePTM.Clearingthisbittozero willstopthecounterfromcountingandturnoffthePTMwhichwillreduceitspower consumption.Whenthebitchangesstatefromlowtohightheinternalcountervalue willberesettozero,howeverwhenthebitchangesfromhightolow,theinternal counterwillretainitsresidualvalueuntilthebitreturnshighagain.IfthePTMisin theCompareMatchOutputModeorPWMoutputModeorSinglePulseOutputMode, thenthePTMoutputpinwillberesettoitsinitialcondition,asspecifiedbythePTOC bit,whenthePTONbitchangesfromlowtohigh. Bit2~0 Unimplemented,readas"0" |
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