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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) 59 Page - Holtek Semiconductor Inc |
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HT66F4530 数据表(HTML) 59 Page - Holtek Semiconductor Inc |
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59 / 224 page  Rev. 1.00 58 De�e��e� �1� �01� Rev. 1.00 59 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 Operating Mode Switching Thesedevicescanswitchbetweenoperatingmodesdynamicallyallowingtheusertoselectthebest performance/powerratioforthepresenttaskinhand.Inthiswaymicrocontrolleroperationsthat donotrequirehighperformancecanbeexecutedusingslowerclocksthusrequiringlessoperating currentandprolongingbatterylifeinportableapplications. Insimpleterms,ModeSwitchingbetweentheFASTModeandSLOWModeisexecutedusingthe CKS2~CKS0bitsintheSCCregisterwhileModeSwitchingfromtheFAST/SLOWModestothe SLEEP/IDLEModesisexecutedviatheHALTinstruction.WhenanHALTinstructionisexecuted, whetherthesedevicesentertheIDLEModeortheSLEEPModeisdeterminedbytheconditionof theFHIDENandFSIDENbitsintheSCCregister. FAST fSYS=fH~fH/�4 fH on CPU �un fSYS on fSUB on SLOW fSYS=fSUB fSUB on CPU �un fSYS on fH on/off IDLE0 HALT inst�u�tion exe�uted CPU stop FHIDEN=0 FSIDEN=1 fH off fSUB on IDLE1 HALT inst�u�tion exe�uted CPU stop FHIDEN=1 FSIDEN=1 fH on fSUB on IDLE2 HALT inst�u�tion exe�uted CPU stop FHIDEN=1 FSIDEN=0 fH on fSUB off SLEEP HALT inst�u�tion exe�uted CPU stop FHIDEN=0 FSIDEN=0 fH off fSUB off |
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