HT45F4N datasheet(27/170 Pages) HOLTEK

27 / 170 page

Rev. 1.30

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HT45F4N/HT45FH4N

Power Bank Flash MCU

HT45F4N/HT45FH4N

Power Bank Flash MCU

Flash Program Memory

TheProgramMemoryisthelocationwheretheusercodeorprogramisstored.Forthisdevicethe

ProgramMemoryisFlashtype,whichmeansitcanbeprogrammedandre-programmedalarge

numberoftimes,allowingtheusertheconvenienceofcodemodificationonthesamedevice.

Byusingtheappropriateprogrammingtools,thisFlashdeviceoffersuserstheflexibilityto

convenientlydebuganddeveloptheirapplicationswhilealsoofferingameansoffieldprogramming

andupdating.

Structure

TheProgramMemoryhasacapacityof4K×16bits.TheProgramMemoryisaddressedbythe

ProgramCounterandalsocontainsdata,tableinformationandinterruptentries.Tabledata,which

canbesetupinanylocationwithintheProgramMemory,isaddressedbyaseparatetablepointer

Special Vectors

WithintheProgramMemory,certainlocationsarereservedfortheresetandinterrupts.Thelocation

000Hisreservedforusebythedeviceresetforprograminitialisation.Afteradeviceresetis

initiated,theprogramwilljumptothislocationandbeginexecution.

16 bi ts

000H

004H

008H

00C H

010H

014H

018H

01C H

020H

024H

028H

02C H

030H

034H

038H

03C H

FFFH

In it ia li sa ti on

Ve ct or

U nder V ol t age

Pr ot ec ti on In te rr upt

Ov er V ol t age

Pr ot ec ti on In te rr upt

Ex te rn al

In te rr up t 0 V ec to r

Mu lt i_ F unc ti on

In te rr upt 0 V ec to r

A/ D

In te rr upt V ec to r

Ti me B as e 1

I nt er r upt V ec to r

Ov er C ur r ent

Pr ot ec ti on 0 In te rr upt

Ov er C ur r ent

Pr ot ec ti on 1 In te rr upt

Ex te rn al

In te rr up t 1 V ec to r

Ex te rn al

In te rr up t 2 V ec to r

Mu lt i_ F unc ti on

In te rr up t 1 V ec to r

Mu lt i_ F unc ti on

In te rr up t 2 V ec to r

Mu lt i_ F unc ti on

In te rr up t 3 V ec to r

Ti me B as e 0

I nt er r upt V ec to r

LV D In te rr up t

Program Memory Structure

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