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HT45F77 Datasheet(PDF) 78 Page - Holtek Semiconductor Inc |
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HT45F77 Datasheet(HTML) 78 Page - Holtek Semiconductor Inc |
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78 / 203 page  Rev. 1.20 78 De�e��e� 1�� 201� Rev. 1.20 79 De�e��e� 1�� 201� HT45F77 Body Fat Scale Flash MCU HT45F77 Body Fat Scale Flash MCU Compact Type TM Register Description OveralloperationoftheCompactTMiscontrolledusingsixregisters.Areadonlyregisterpair existstostoretheinternalcounter10-bitvalue,whilearead/writeregisterpairexiststostorethe internal10-bitCCRAvalue.Theremainingtworegistersarecontrolregisterswhichsetupthe differentoperatingandcontrolmodesaswellasthethreeCCRPbits. Name Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 TMnC0 TnPAU TnCK2 TnCK1 TnCK0 TnON TnRP2 TnRP1 TnRP0 TMnC1 TnM1 TnM0 TnIO1 TnIO0 TnOC TnPOL TnDPX TnCCLR TMnDL D7 D� D5 D� D3 D2 D1 D0 TMnDH — — — — — — D9 D8 TMnAL D7 D� D5 D� D3 D2 D1 D0 TMnAH — — — — — — D9 D8 Compact TM Register List (n=0) TMnC0 Register (n=0) Bit 7 6 5 4 3 2 1 0 Na�e TnPAU TnCK2 TnCK1 TnCK0 TnON TnRP2 TnRP1 TnRP0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 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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