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HT45F4N Datasheet(PDF) 46 Page - Holtek Semiconductor Inc |
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HT45F4N Datasheet(HTML) 46 Page - Holtek Semiconductor Inc |
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46 / 170 page  Rev. 1.30 �� De�e��e� 1�� �01� Rev. 1.30 �7 De�e��e� 1�� �01� HT45F4N/HT45FH4N Power Bank Flash MCU HT45F4N/HT45FH4N Power Bank Flash MCU CTRL Register Bit 7 6 5 4 3 2 1 0 Na�e FSYSON — — — — LVRF LRF WRF R/W R/W — — — — R/W R/W R/W POR 0 — — — — × 0 0 Bit7 FSYSON:fSYSControlinIDLEMode 0:Disable 1:Enable Bit6~3 Unimplemented,readas“0” Bit2 LVRF:LVRfunctionresetflag 0:Notoccur 1:Occurred ThisbitissethighwhenaspecificLowVoltageResetsituationconditionoccurs.This bitcanonlybeclearedtozerobytheapplicationprogram. Bit1 LRF:LVRCControlregistersoftwareresetflag 0:Notoccur 1:Occurred ThisbitissethighiftheLVRCregistercontainsanynondefinedLVRvoltageregister values.Thisineffectactslikeasoftwareresetfunction.Thisbitcanonlybeclearedto zerobytheapplicationprogram. Bit0 WRF:WDTControlregistersoftwareresetflag 0:Notoccur 1:Occurred ThisbitissethighbytheWDTControlregistersoftwareresetandclearedbythe applicationprogram.Notethatthisbitcanonlybeclearedtozerobytheapplication program. NO RM AL f SYS =f H ~f H /6 4 f H o n CP U ru n f SYS o n f TB C o n f S o n ID LE 1 HA LT i ns tr uc ti on is e xe cu te d CP U st op ID LE N= 1 FS YS ON =1 f SYS o n f TB C o n f S o n ID LE 0 HA LT i ns tr uc ti on is e xe cu te d CP U st op ID LE N= 1 FS YS ON =0 f SYS o ff f TB C o n f S o n SL OW f SYS =f L f L o n CP U ru n f SYS o n f TB C o n f S o n f H o ff SL EE P HA LT i ns tr uc ti on is e xe cu te d f SYS o ff CP U st op ID LE N= 0 f TB C o ff f S o n |
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