HT45F5N datasheet(49/202 Pages) HOLTEK

номер детали	HT45F5N

подробное описание детали	Power Bank ASSP Flash MCU

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производитель	HOLTEK [Holtek Semiconductor Inc]

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HT45F5N/HT45FH5N

Power Bank ASSP Flash MCU

HT45F5N/HT45FH5N

Power Bank ASSP Flash MCU

NORMAL Mode to SLOW Mode Switching

WhenrunningintheNORMALMode,whichusesthehighspeedsystemoscillator,andtherefore

consumesmorepower,thesystemclockcanswitchtorunintheSLOWModebysettingthe

HLCLKbitto"0"andsettingtheCKS2~CKS0bitsto"000"or"001"intheSMODregister.This

willthenusethelowspeedsystemoscillatorwhichwillconsumelesspower.Usersmaydecideto

dothisforcertainoperationswhichdonotrequirehighperformanceandcansubsequentlyreduce

powerconsumption.

TheSLOWModeissourcedfromtheLIRCoscillatorandthereforerequiresthisoscillatortobe

stablebeforefullmodeswitchingoccurs.ThisismonitoredusingtheLTObitintheSMODregister.

NORMAL Mode

SLOW Mode

CKS�~CKS0 = 00xB &

HLCLK=0

SLEEP Mode

WDT is on� IDLE�=0

HALT inst�uction is executed

IDLE0 Mode

IDLE�=1� FSYSO�=0

HALT inst�uction is executed

IDLE1 Mode

IDLE�=1� FSYSO�=1

HALT inst�uction is executed

HT45F5N датащи(PDF) 49 Page - Holtek Semiconductor Inc