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HT45F3W 데이터시트(PDF) 25 Page - Holtek Semiconductor Inc

부품명 HT45F3W
상세설명  HT45F3W
PDF  167 Pages
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제조업체  HOLTEK [Holtek Semiconductor Inc]
홈페이지  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F3W 데이터시트(HTML) 25 Page - Holtek Semiconductor Inc

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Rev. 1.50
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Rev. 1.50
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HT45F3W
R-Type Blood Pressure Meter Flash MCU
HT45F3W
R-Type Blood Pressure Meter Flash MCU
FC0 Register
Bit
7
6
5
4
3
2
1
0
Na�e
CFWEN
FMOD�
FMOD1
FMOD0
FWPEN
FWT
FRDEN
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:ConfirmtheFWENstatus
0:FlashROMwritedisable
1:softwarewrite1noaction
Whenthisbitisclearbyfirmware,theIAPcontrollerexitsFWENmode.Theusercan
readthisbittoconfirmtheFWENstatus.
Bit6~4
FMOD2~FMOD0:Modeselection.
000:writeprogramROM
001:pageeraseprogramROM
010:reserved
011:readprogramROM
101:reserved
110:FWEN(flashROMwriteenable)mode
111:reserved
Bit3
FWPEN:FlashROMwriteprocedureenable.
0:disabled
1:enabled
Whenthisbitissetto“1”andFMOD2~FMOD0issetto110,theprogramcan
execute“Setflashwriteenable(FWEN)”.
Whenthisbitissetto“1”andFMOD2~FMOD0issetto000,thecontrollerwillmove
register(FD0LandFD0H)datatoflashROMinternalpagebuffer.
Bit2
FWT:FlashROMwritecontrolbit
0:DonotinitiateFlashROMwriteorFlashROMWriteprocessiscompleted.
1:InitiateFlashROMwriteprocess
Thisbitcanbesetbysoftwareonly,whenwriteprocesscompleted,hardwarewill
clear“FWT”bit.
Bit1
FRDEN:FlashROMreadenablebit
0:FlashROMreaddisable
1:FlashROMreadenable
Bit0
FRD:FlashROMreadcontrolbit
0:DonotinitiateFlashreadorFlashreadprocessiscompleted
1:InitiateFlashreadprocess
Thisbitcanbesetbysoftwareonly,whenreadprocesscompleted,hardwarewillclear
“FRD”bit.



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