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HT69F360 データシート(PDF) 40 Page - Holtek Semiconductor Inc |
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HT69F360 データシート(HTML) 40 Page - Holtek Semiconductor Inc |
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40 / 235 page ![]() Rev. 1.30 40 �ove��e� 1�� �01� Rev. 1.30 41 �ove��e� 1�� �01� HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM • FC0 Register Bit 7 6 5 4 3 2 1 0 �a�e CFWE� FMOD� FMOD1 FMOD0 FWPE� FWT FRDE� FRD R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 1 1 1 0 0 0 0 Bit7 CFWEN:FlashMemoryWriteenablecontrol 0:Flashmemorywritefunctionisdisabled 1:Flashmemorywritefunctionhasbeensuccessfullyenabled Whenthisbitisclearedto0byapplicationprogram,theFlashmemorywritefunction isdisabled.Notethatwritinga“1”intothisbitresultsinnoaction.Thisbitisused toindicatethattheFlashmemorywritefunctionstatus.Whenthisbitissetto1by hardware,itmeansthattheFlashmemorywritefunctionisenabledsuccessfully. Otherwise,theFlashmemorywritefunctionisdisabledasthebitcontentiszero. Bit6~4 FMOD2~FMOD0:Modeselection 000:Writeprogrammemory 001:Block/Pageeraseprogrammemory 010:Reserved 011:Readprogrammemory 100:Reserved 101:Reserved 110:FWENmode–Flashmemorywritefunctionenablemode 111:Reserved Whenthesebitsaresetto“001”,the“Blockerase”modeisselectedforthe HT69F340,whilethe“Pageerase”modeisselectedfortheHT69F350/HT69F360. Bit3 FWPEN:FlashMemoryWriteprocedureenablecontrol 0:Disabled 1:Enabled Whenthisbitissetto1andtheFMODfieldissetto“110”,theIAPcontrollerwill executethe“Flashmemorywritefunctionenable”procedure.OncetheFlashmemory writefunctionissuccessfullyenabled,itisnotnecessarytosettheFWPENbitanymore. Bit2 FWT:FlashROMwritecontrolbit 0:DonotinitiateFlashmemorywriteorFlashmemorywriteprocessiscompleted 1:InitiateFlashmemorywriteprocess ThisbitissetbysoftwareandclearedbyhardwarewhentheFlashmemorywrite processiscompleted. Bit1 FRDEN:Flashmemoryreadenabledbit 0:Flashmemoryreaddisable 1:Flashmemoryreadenable Bit0 FRD:Flashmemoryreadcontrolbit 0:DonotinitiateFlashmemoryreadorFlashmemoryreadprocessiscompleted 1:InitiateFlashmemoryreadprocess ThisbitissetbysoftwareandclearedbyhardwarewhentheFlashmemoryread processiscompleted. • FC1 Register Bit 7 6 5 4 3 2 1 0 �a�e D7 D� D5 D4 D3 D� D1 D0 R/W R R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7~0 D7~D0:Wholechipresetpattern Whenuserswriteaspecificvalueof“55H”tothisregister,itwillgenerateareset signaltoresetwholechip. |
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