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HT45F5R 데이터시트(PDF) 34 Page - Holtek Semiconductor Inc

부품명 HT45F5R
상세설명  Charger ASSP Flash MCU
PDF  138 Pages
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제조업체  HOLTEK [Holtek Semiconductor Inc]
홈페이지  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F5R 데이터시트(HTML) 34 Page - Holtek Semiconductor Inc

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HT45F5R
Charger ASSP Flash MCU
HT45F5R
Charger ASSP Flash MCU
EED Register
Bit
7
6
5
4
3
2
1
0
Na�e
D7
D�
D5
D4
D�
D�
D1
D0
R/W
R/W
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:EEPROMdata
EEPROMdatabit7~bit0
EEC Register
Bit
7
6
5
4
3
2
1
0
Na�e
—
—
—
—
WREN
WR
RDEN
RD
R/W
—
—
—
—
R/W
R/W
R/W
R/W
POR
—
—
—
—
0
0
0
0
Bit7~4
Unimplemented,readas"0"
Bit3
WREN:EEPROMWriteEnable
0:Disable
1:Enable
ThisistheDataEEPROMWriteEnableBitwhichmustbesethighbeforeData
EEPROMwriteoperationsarecarriedout.ClearingthisbittozerowillinhibitData
EEPROMwriteoperations.
Bit2
WR:EEPROMWriteControl
0:Writecyclehasfinished
1:Activateawritecycle
ThisistheDataEEPROMWriteControlBitandwhensethighbytheapplication
programwillactivateawritecycle.Thisbitwillbeautomaticallyresettozerobythe
hardwareafterthewritecyclehasfinished.Settingthisbithighwillhavenoeffectif
theWRENhasnotfirstbeensethigh.
Bit1
RDEN:EEPROMReadEnable
0:Disable
1:Enable
ThisistheDataEEPROMReadEnableBitwhichmustbesethighbeforeData
EEPROMreadoperationsarecarriedout.ClearingthisbittozerowillinhibitData
EEPROMreadoperations.
Bit0
RD:EEPROMReadControl
0:Readcyclehasfinished
1:Activateareadcycle
ThisistheDataEEPROMReadControlBitandwhensethighbytheapplication
programwillactivateareadcycle.Thisbitwillbeautomaticallyresettozerobythe
hardwareafterthereadcyclehasfinished.Settingthisbithighwillhavenoeffectif
theRDENhasnotfirstbeensethigh.
Note:TheWREN,WR,RDENandRDcannotbesetto"1"atthesametimeinoneinstruction.The
WRandRDcannotbesetto"1"atthesametime.



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