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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) 55 Page - Holtek Semiconductor Inc |
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HT66F4530 数据表(HTML) 55 Page - Holtek Semiconductor Inc |
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55 / 224 page  Rev. 1.00 54 De�e��e� �1� �01� Rev. 1.00 55 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 High Speed Os�illato�s FHS P�es�ale� fH fH/� fH/4 fH/8 fH/1� fH/3� fH/�4 CKS�~CKS0 fSYS Low Speed Os�illato�s FSS fSUB fSUB fSUB fSYS/4 fSYS CLKSEL[1:0] fPSC P�es�ale� Ti�e Base 0 Ti�e Base 1 TB0ON TB1ON TB1[�:0] TB0[�:0] WDT fLIRC IDLE� SLEEP IDLE0 SLEEP HXT HIRC HXTEN HIRCEN LXT LIRC LXTEN Device Clock Configurations Note:WhenthesystemclocksourcefSYSisswitchedtofSUBfromfH,thehighspeedoscillatorwill stoptoconservethepowerorcontinuetooscillatetoprovidetheclocksource,fH~fH/64,for peripheralcircuittouse,whichisdeterminedbyconfiguringthecorrespondinghighspeed oscillatorenablecontrolbit. System Operation Modes Therearesixdifferentmodesofoperationforthemicrocontroller,eachonewithitsown specialcharacteristicsandwhichcanbechosenaccordingtothespecificperformanceand powerrequirementsoftheapplication.Therearetwomodesallowingnormaloperationofthe microcontroller,theFASTModeandSLOWMode.Theremainingfourmodes,theSLEEP,IDLE0, IDLE1andIDLE2ModeareusedwhenthemicrocontrollerCPUisswitchedofftoconservepower. Operation Mode CPU Register Setting fSYS fH fSUB fLIRC FHIDEN FSIDEN CKS2~CKS0 FAST On x x 000~110 fH~fH/�4 On On On SLOW On x x 111 fSUB On/Off (1) On On IDLE0 Off 0 1 000~110 Off Off On On 111 On IDLE1 Off 1 1 xxx On On On On IDLE� Off 1 0 000~110 On On Off On 111 Off SLEEP Off 0 0 xxx Off Off Off On/Off (�) "x": Don’t �a�e Note:1.ThefHclockwillbeswitchedonoroffbyconfiguringthecorrespondingoscillatorenable bitintheSLOWmode. 2.ThefLIRCclockcanbeswitchedonoroffwhichiscontrolledbytheWDTfunctionbeing enabledordisabledintheSLEEPmode. |
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