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HT45F4630 데이터시트(PDF) 41 Page - Holtek Semiconductor Inc |
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HT45F4630 데이터시트(HTML) 41 Page - Holtek Semiconductor Inc |
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41 / 153 page ![]() Rev. 1.00 40 ���i� 1�� �01� Rev. 1.00 41 ���i� 1�� �01� HT45F4630 DC Motor Driver ASSP MCU HT45F4630 DC Motor Driver ASSP MCU HIRC HLCLK� CKS�~CKS0 bits fSYS High S�eed Osci��ato�s P�esca�e� fH/� fH/1� fH/�4 fH/8 fH/4 fH/3� HXT fH High S�eed Osci��ato� Configu�ation O�tion LIRC Low S�eed Osci��ato�s LXT fSUB Low S�eed Osci��ato� Configu�ation O�tion Fast Wake-u� f�om SLEEP Mode o� IDLE Mode Cont�o�(fo� HXT on�y) fSUB fSYS/4 fSUB fTB Time Base TBCK fSUB fSYS/4 Configu�ation O�tion fS WDT Device Clock Configuration Note:WhenthesystemclocksourcefSYSisswitchedtofSUBfromfH,thehighspeedoscillatorwill stoptoconservethepower.ThusthereisnofH~fH/64forperipheralcircuittouse. System Operation Modes Therearesixdifferentmodesofoperationforthemicrocontroller,eachonewithitsown specialcharacteristicsandwhichcanbechosenaccordingtothespecificperformanceand powerrequirementsoftheapplication.Therearetwomodesallowingnormaloperationofthe microcontroller,theNORMALModeandSLOWMode.Theremainingfourmodes,theSLEEP0, SLEEP1,IDLE0andIDLE1ModeareusedwhenthemicrocontrollerCPUisswitchedoffto conservepower. Operating Mode Description CPU fSYS fSUB fS NORM�L Mode On fH~fH/�4 On On SLOW Mode On fSUB On On IDLE0 Mode Off Off On On/Off (Note) IDLE1 Mode Off On On On SLEEP0 Mode Off Off Off Off SLEEP1 Mode Off Off On On Note:TheWDTclock,fS,willbeoffandtheWDTwillstoprunningiftheWDTclocksourceis selectedfromthesystemclockbyconfigurationoptionregardlessoftheWDTisenabledor disabled.TheWDTclock,fS,willbeoniftheWDTclocksourceisselectedfromthefSUB clockandtheWDTisenabled. |
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