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HT45F75 数据表(PDF) 39 Page - Holtek Semiconductor Inc

部件名 HT45F75
功能描述  Body Fat Scale Flash MCU
PDF  190 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  HOLTEK [Holtek Semiconductor Inc]
网页  http://www.holtek.com
标志 HOLTEK - Holtek Semiconductor Inc

HT45F75 数据表(HTML) 39 Page - Holtek Semiconductor Inc

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Rev. 1.10
38
De�e��e� 1�� �01�
Rev. 1.10
39
De�e��e� 1�� �01�
HT45F75
Body Fat Scale Flash MCU
HT45F75
Body Fat Scale Flash MCU
EED Register
Bit
7
6
5
4
3
2
1
0
Na�e
D7
D�
D5
D�
D3
D�
D1
D0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
x
x
x
x
x
x
x
x
“x” unknown
Bit7~0
D7~D0:DataEEPROMdata
DataEEPROMdatabit7~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:DataEEPROMWriteEnable
0:Disable
1:Enable
ThisistheDataEEPROMWriteEnableBitwhichmustbesethighbeforeData
EEPROMwriteoperationsarecarriedout.ClearingthisbittozerowillinhibitData
EEPROMwriteoperations.
Bit2
WR:EEPROMWriteControl
0:Writecyclehasfinished
1:Activateawritecycle
ThisistheDataEEPROMWriteControlBitandwhensethighbytheapplication
programwillactivateawritecycle.Thisbitwillbeautomaticallyresettozerobythe
hardwareafterthewritecyclehasfinished.Settingthisbithighwillhavenoeffectif
theWRENhasnotfirstbeensethigh.
Bit1
RDEN:DataEEPROMReadEnable
0:Disable
1:Enable
ThisistheDataEEPROMReadEnableBitwhichmustbesethighbeforeData
EEPROMreadoperationsarecarriedout.ClearingthisbittozerowillinhibitData
EEPROMreadoperations.
Bit0
RD:EEPROMReadControl
0:Readcyclehasfinished
1:Activateareadcycle
ThisistheDataEEPROMReadControlBitandwhensethighbytheapplication
programwillactivateareadcycle.Thisbitwillbeautomaticallyresettozerobythe
hardwareafterthereadcyclehasfinished.Settingthisbithighwillhavenoeffectif
theRDENhasnotfirstbeensethigh.
Note:TheWREN,WR,RDENandRDcannotbesethighatthesametimeinoneinstruction.The
WRandRDcannotbesethighatthesametime.



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