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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HT45F75 数据表(PDF) 86 Page - Holtek Semiconductor Inc |
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HT45F75 数据表(HTML) 86 Page - Holtek Semiconductor Inc |
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86 / 190 page  Rev. 1.10 8� De�e��e� 1�� �01� Rev. 1.10 87 De�e��e� 1�� �01� HT45F75 Body Fat Scale Flash MCU HT45F75 Body Fat Scale Flash MCU Periodic Type TM Register Description OveralloperationofthePeriodicTMiscontrolledusingaseriesofregisters.Areadonlyregister pairexiststostoretheinternalcounter10-bitvalue,whiletworead/writeregisterpairsexisttostore theinternal10-bitCCRAandCCRPvalue.Theremainingtworegistersarecontrolregisterswhich setupthedifferentoperatingandcontrolmodes. Register Name Bit 7 6 5 4 3 2 1 0 PTMnC0 TnPAU TnCK� TnCK1 TnCK0 TnON — — — PTMnC1 TnM1 TnM0 TnIO1 TnIO0 TnOC TnPOL TnCAPTS TnCCLR PTMnDL D7 D� D5 D� D3 D� D1 D0 PTMnDH — — — — — — D9 D8 PTMnAL D7 D� D5 D� D3 D� D1 D0 PTMnAH — — — — — — D9 D8 PTMnRPL D7 D� D5 D� D3 D� D1 D0 PTMnRPH — — — — — — D9 D8 10-bit Periodic TM Register List (n=1 or 2) PTMnC0 Register (n=1 or 2) Bit 7 6 5 4 3 2 1 0 Na�e TnPAU TnCK� TnCK1 TnCK0 TnON — — — R/W R/W R/W R/W R/W R/W — — — POR 0 0 0 0 0 — — — Bit7 TnPAU:TMnCounterPauseControl 0:Run 1:Pause Thecountercanbepausedbysettingthisbithigh.Clearingthebittozerorestores normalcounteroperation.WheninaPauseconditiontheTMwillremainpoweredup andcontinuetoconsumepower.Thecounterwillretainitsresidualvaluewhenthisbit changesfromlowtohighandresumecountingfromthisvaluewhenthebitchanges toalowvalueagain. Bit6~4 TnCK2~TnCK0:SelectTMnCounterclock 000:fSYS/4 001:fSYS 010:fH/16 011:fH/64 100:fSUB 101:Reserved 110:TCKnrisingedgeclock 111:TCKnfallingedgeclock ThesethreebitsareusedtoselecttheclocksourcefortheTM.SelectingtheReserved clockinputwilleffectivelydisabletheinternalcounter.Theexternalpinclocksource canbechosentobeactiveontherisingorfallingedge.TheclocksourcefSYSisthe systemclock,whilefHandfSUBareotherinternalclocks,thedetailsofwhichcanbe foundintheoscillatorsection. |
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