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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HT45F4MA 数据表(PDF) 21 Page - Holtek Semiconductor Inc |
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HT45F4MA 数据表(HTML) 21 Page - Holtek Semiconductor Inc |
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21 / 145 page  Rev. 1.20 20 De�e��e� 1�� 201� Rev. 1.20 21 De�e��e� 1�� 201� HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Flash MCU HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Flash MCU Flash Program Memory TheProgramMemoryisthelocationwheretheusercodeorprogramisstored.Forthisdevicethe ProgramMemoryisFlashtype,whichmeansitcanbeprogrammedandre-programmedalarge numberoftimes,allowingtheusertheconvenienceofcodemodificationonthesamedevice. Byusingtheappropriateprogrammingtools,thisFlashdeviceoffersuserstheflexibilityto convenientlydebuganddeveloptheirapplicationswhilealsoofferingameansoffieldprogramming andupdating. Structure TheProgramMemoryhasacapacityof2K×16bits.TheProgramMemoryisaddressedbythe ProgramCounterandalsocontainsdata,tableinformationandinterruptentries.Tabledata,which canbesetupinanylocationwithintheProgramMemory,isaddressedbyaseparatetablepointer register. Special Vectors WithintheProgramMemory,certainlocationsarereservedfortheresetandinterrupts.Thelocation 000Hisreservedforusebythedeviceresetforprograminitialisation.Afteradeviceresetis initiated,theprogramwilljumptothislocationandbeginexecution. 16 b it s 000H 004H 008H 00 CH 010H 014H 018H 01 CH 020H 024H 028H 7 FFH In it ia li sa ti on Ve ct or Ov er V ol ta ge Pr ot ec ti on In te rr up t Ov er C ur re nt Pr ot ec ti on In te rr up t Ex te rn al In te rr up t 0 V ec to r Mu lt i_ Fu nc ti on In te rr up t 0 V ec to r Mu lt i_ Fu nc ti on In te rr up t 1 V ec to r Mu lt i_ Fu nc ti on In te rr up t 2 Ve ct or A/ D In te rr up t Ve ct or Ti me B as e 0 I nt er ru pt V ec to r Ti me B as e 1 I nt er ru pt V ec to r Ex te ma l I nt er ru pt 1 V ec to r Program Memory Structure |
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