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HT66F319 Datasheet(PDF) 80 Page - Holtek Semiconductor Inc |
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HT66F319 Datasheet(HTML) 80 Page - Holtek Semiconductor Inc |
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80 / 185 page  Rev. 1.20 80 De�e��e� 0�� 201� Rev. 1.20 81 De�e��e� 0�� 201� HT66F319 Enhanced A/D Flash MCU with EEPROM and UART HT66F319 Enhanced A/D Flash MCU with EEPROM and UART Standard Type TM Register Description OveralloperationoftheStandardTMiscontrolledusingaseriesofregisters.Areadonlyregister pairexiststostoretheinternalcounter16-bitvalue,whilearead/writeregisterpairexiststostore theinternal16-bitCCRAvalue.Thereisalsoaread/writeregisterusedtostoretheinternal8-bit CCRPvalue.Theremainingtworegistersarecontrolregisterswhichsetupthedifferentoperating andcontrolmodes. Register Name Bit 7 6 5 4 3 2 1 0 TMnC0 TnPAU TnCK2 TnCK1 TnCK0 TnON ─ ─ ─ TMnC1 TnM1 TnM0 TnIO1 TnIO0 TnOC TnPOL TnDPX TnCCLR TMnDL D7 D� D� D4 D3 D2 D1 D0 TMnDH D1� D14 D13 D12 D11 D10 D9 D8 TMnAL D7 D� D� D4 D3 D2 D1 D0 TMnAH D1� D14 D13 D12 D11 D10 D9 D8 TMnRP TnRP7 TnRP� TnRP� TnRP4 TnRP3 TnRP2 TnRP1 TnRP0 16-bit Standard TM Registers List (n=0) TMnC0 Register (n=0) Bit 7 6 5 4 3 2 1 0 Na�e TnPAU TnCK2 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:fTBC 101:fH/8 110:TCKnrisingedgeclock 111:TCKnfallingedgeclock ThesethreebitsareusedtoselecttheclocksourcefortheTM.Theexternalpinclock sourcecanbechosentobeactiveontherisingorfallingedge.TheclocksourcefSYSis thesystemclock,whilefHandfTBCareotherinternalclocks,thedetailsofwhichcan befoundintheoscillatorsection. |
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