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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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HT66F4530 数据表(PDF) 93 Page - Holtek Semiconductor Inc |
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HT66F4530 数据表(HTML) 93 Page - Holtek Semiconductor Inc |
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93 / 224 page  Rev. 1.00 9� De�e��e� �1� �01� Rev. 1.00 93 De�e��e� �1� �01� HT66F4530/HT66F4540/HT66F4550 A/D Flash MCU with Dual Operational Amplifiers HT66F4530/HT66F4540/HT66F4550 A/D Flash MCU with Dual Operational Amplifiers Standard Type TM Register Description OveralloperationoftheStandardTMiscontrolledusingaseriesofregisters.Areadonlyregister pairexiststostoretheinternalcounter10-bitvalue,whilearead/writeregisterpairexiststostore theinternal10-bitCCRAvalue.Theremainingtworegistersarecontrolregisterswhichsetupthe differentoperatingandcontrolmodesaswellasthreeCCRPbits. Register Name Bit 7 6 5 4 3 2 1 0 STMnC0 STnPAU STnCK� STnCK1 STnCK0 STnON STnRP� STnRP1 STnRP0 STMnC1 STnM1 STnM0 STnIO1 STnIO0 STnOC STnPOL STnDPX STnCCLR STMnDL D7 D� D5 D4 D3 D� D1 D0 STMnDH — — — — — — D9 D8 STMnAL D7 D� D5 D4 D3 D� D1 D0 STMnAH — — — — — — D9 D8 10-bit Standard TM Registers List – n=0 or 1 STMnC0 Register Bit 7 6 5 4 3 2 1 0 Na�e STnPAU STnCK� STnCK1 STnCK0 STnON STnRP� STnRP1 STnRP0 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 STnPAU:STMnCounterPausecontrol 0:Run 1:Pause Thecountercanbepausedbysettingthisbithigh.Clearingthebittozerorestores normalcounteroperation.WheninaPauseconditiontheSTMnwillremainpowered upandcontinuetoconsumepower.Thecounterwillretainitsresidualvaluewhen thisbitchangesfromlowtohighandresumecountingfromthisvaluewhenthebit changestoalowvalueagain. Bit6~4 STnCK2~STnCK0:SelectSTMnCounterclock 000:fSYS/4 001:fSYS 010:fH/16 011:fH/64 100:fSUB 101:fSUB 110:STCKnrisingedgeclock(unavailableforHT66F4530) 111:STCKnfallingedgeclock(unavailableforHT66F4530) ThesethreebitsareusedtoselecttheclocksourcefortheSTMn.Theexternalpin clocksourcecanbechosentobeactiveontherisingorfallingedge.Theclocksource fSYSisthesystemclock,whilefHandfSUBareotherinternalclocks,thedetailsofwhich canbefoundintheoscillatorsection. Bit3 STnON:STMnCounterOn/Offcontrol 0:Off 1:On Thisbitcontrolstheoverallon/offfunctionoftheSTMn.Settingthebithighenables thecountertorunwhileclearingthebitdisablestheSTMn.Clearingthisbittozero willstopthecounterfromcountingandturnofftheSTMnwhichwillreduceitspower consumption.Whenthebitchangesstatefromlowtohightheinternalcountervalue willberesettozero,howeverwhenthebitchangesfromhightolow,theinternal counterwillretainitsresidualvalueuntilthebitreturnshighagain.IftheSTMnisin theCompareMatchOutputMode,PWMOutputModeorSinglePulseOutputMode thentheSTMnoutputpinwillberesettoitsinitialcondition,asspecifiedbythe STnOCbit,whentheSTnONbitchangesfromlowtohigh. |
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