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HT45F5R Datasheet(PDF) 45 Page - Holtek Semiconductor Inc |
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HT45F5R Datasheet(HTML) 45 Page - Holtek Semiconductor Inc |
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45 / 138 page  Rev. 1.10 44 De�e��e� 1�� �01� Rev. 1.10 45 De�e��e� 1�� �01� HT45F5R Charger ASSP Flash MCU HT45F5R Charger ASSP Flash MCU Entering the IDLE0 Mode ThereisonlyonewayforthedevicetoentertheIDLE0Modeandthatistoexecutethe"HALT" instructionintheapplicationprogramwiththeFHIDENbitinSCCregisterequalto"0"andthe FSIDENbitinSCCregisterequalto"1".Whenthisinstructionisexecutedundertheconditions describedabove,thefollowingwilloccur: • ThefHclockwillbeoffandthefSUBclockwillbeonandtheapplicationprogramwillstopatthe "HALT"instruction. • TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition. • TheI/Oportswillmaintaintheirpresentconditions. • Inthestatusregister,thePowerDownflagPDFwillbeset,andWDTtimeoutflagTOwillbe cleared. • TheWDTwillbeclearedandresumecountingastheWDTisenabled.IftheWDTisdisabled thenWDTwillbeclearedandstopped Entering the IDLE1 Mode ThereisonlyonewayforthedevicetoentertheIDLE1Modeandthatistoexecutethe"HALT" instructionintheapplicationprogramwiththeFHIDENbitinSCCregisterequalto"1"andthe FSIDENbitinSCCregisterequalto"1".Whenthisinstructionisexecutedundertheconditions describedabove,thefollowingwilloccur: • ThefHandfSUBclockswillbeonandtheapplicationprogramwillstopatthe"HALT"instruction. • TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition. • TheI/Oportswillmaintaintheirpresentconditions. • Inthestatusregister,thePowerDownflagPDFwillbeset,andWDTtimeoutflagTOwillbe cleared. • TheWDTwillbeclearedandresumecountingastheWDTisenabled.IftheWDTisdisabled thenWDTwillbeclearedandstopped. Entering the IDLE2 Mode ThereisonlyonewayforthedevicetoentertheIDLE2Modeandthatistoexecutethe"HALT" instructionintheapplicationprogramwiththeFHIDENbitinSCCregisterequalto"1"andthe FSIDENbitinSCCregisterequalto"0".Whenthisinstructionisexecutedundertheconditions describedabove,thefollowingwilloccur: • ThefHclockwillbeonandthefSUBclockwillbeoffandtheapplicationprogramwillstopatthe "HALT"instruction. • TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition. • TheI/Oportswillmaintaintheirpresentconditions. • Inthestatusregister,thePowerDownflagPDFwillbeset,andWDTtimeoutflagTOwillbe cleared. • TheWDTwillbeclearedandresumecountingastheWDTisenabled.IftheWDTisdisabled thenWDTwillbeclearedandstopped. |
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