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HT66F019 데이터시트(PDF) 47 Page - Holtek Semiconductor Inc |
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HT66F019 데이터시트(HTML) 47 Page - Holtek Semiconductor Inc |
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47 / 175 page ![]() Rev. 1.00 46 De�e��e� 01� �01� Rev. 1.00 4� De�e��e� 01� �01� HT66F019 A/D Flash MCU with EEPROM HT66F019 A/D Flash MCU with EEPROM Entering the SLEEP1 Mode ThereisonlyonewayforthedevicetoentertheSLEEP1Modeandthatistoexecutethe"HALT" instructionintheapplicationprogramwiththeIDLENbitintheSMODregisterequalto"0"andthe WDTison.Whenthisinstructionisexecutedundertheconditionsdescribedabove,thefollowing willoccur: • ThesystemclockandTimeBaseclockwillbestoppedandtheapplicationprogramwillstopat the"HALT"instruction,buttheWDTwillremainwiththeclocksourcecomingfromthefSUB clock. • TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition. • TheWDTwillbeclearedandresumecountingiftheWDTisenabled. • TheI/Oportswillmaintaintheirpresentconditions. • Inthestatusregister,thePowerDownflagPDFwillbeset,andWDTtimeoutflagTOwillbe cleared. Entering the IDLE0 Mode ThereisonlyonewayforthedevicetoentertheIDLE0Modeandthatistoexecutethe"HALT" instructionintheapplicationprogramwiththeIDLENbitintheSMODregisterequalto"1"and theFSYSONbitintheCTRLregisterequalto"0".Whenthisinstructionisexecutedunderthe conditionsdescribedabove,thefollowingwilloccur: • Thesystemclockwillbestoppedandtheapplicationprogramwillstopatthe"HALT" instruction,buttheTimeBaseandfSUBclockswillbeon. • TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition. • TheWDTwillbeclearedandresumecountingiftheWDTisenabled. • TheI/Oportswillmaintaintheirpresentconditions. • Inthestatusregister,thePowerDownflagPDFwillbeset,andWDTtimeoutflagTOwillbe cleared. Entering the IDLE1 Mode ThereisonlyonewayforthedevicetoentertheIDLE1Modeandthatistoexecutethe"HALT" instructionintheapplicationprogramwiththeIDLENbitintheSMODregisterequalto"1"and theFSYSONbitintheCTRLregisterequalto"1".Whenthisinstructionisexecutedunderthe conditionsdescribedabove,thefollowingwilloccur: • ThesystemclockandthelowfrequencyfSUBclockswillbeonbuttheapplicationprogramwill stopatthe"HALT"instruction. • TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition. • TheWDTwillbeclearedandresumecountingiftheWDTisenabled. • TheI/Oportswillmaintaintheirpresentconditions. • Inthestatusregister,thePowerDownflagPDFwillbeset,andWDTtimeoutflagTOwillbe cleared. |
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