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HT45F65 Datasheet(PDF) 151 Page - Holtek Semiconductor Inc

Part # HT45F65
Description  Glucose Meter 8-Bit Flash MCU
PDF  231 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F65 Datasheet(HTML) 151 Page - Holtek Semiconductor Inc

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HT45F65/HT45F66/HT45F67
Glucose Meter 8-Bit Flash MCU
Operational Amplifier
ThischipbuildsinOPA1andOPA2formeasureapplication.The10-bitDACoffersa0to0.5
DACreferencevoltagetonon-invertinginputofOPA1andOPA2.TheOPA1supports3different
amplificationbySW0~SW2setting,andthenoutputstochannel4~6ofADC.
TheOPA2isfortemperaturemeasureandexternalsignalmeasureandoutputstochannel7ofADC.
TheOPA1andOPA2arecontrolledbyregisterOPC1andOPC2setting.
Theusercancontrolswitch0~5forvaryapplication.PleaserefertoregisterTSCforswitchcontrol.
OPC1 Register
Bit
7
6
5
4
3
2
1
0
�a�e OP1_AOFM OP1_ARS OP1E� OP1AOF� OP1AOF3 OP1AOF� OP1AOF1 OP1AOF0
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
OP1_AOFM:Inputoffsetvoltagecancellationmodeandoperationalamplifiermodeselection
0:operationalamplifiermode
1:inputoffsetvoltagecancellationmode
Bit6
OP1_ARS:Operationalamplifierinputoffsetvoltagecancellationreferenceselectionbit
0:selectOP1Nasthereferenceinput
1:selectOP1Pasthereferenceinput
WhenOP1_AOFM(S3C)=0,S2CandS1Cwillbeclosedatthesametime.
WhenOP1_AOFM=1,itwillbesetOP1_ARStoselectOP1PorOP1Nasareferencepoint.
Bit5
OP1EN:Operationalamplifier1control
0:disabled
1:enabled
Bit4~0
OP1AOF4~OP1AOF0:Operationalamplifierinputoffsetvoltagecancellationcontrolbits
OPC2 Register
Bit
7
6
5
4
3
2
1
0
�a�e
OP�_AOFM OP�_ARS OP�E� OP�AOF� OP�AOF3 OP�AOF� OP�AOF1 OP�AOF0
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
OP2_AOFM:Inputoffsetvoltagecancellationmodeandoperationalamplifiermodeselection
0:operationalamplifiermode
1:inputoffsetvoltagecancellationmode
Bit6
OP2_ARS:Operationalamplifierinputoffsetvoltagecancellationreferenceselectionbit
0:selectOP2Nasthereferenceinput
1:selectOP2Pasthereferenceinput
WhenOP2_AOFM(S3C)=0,S2CandS1Cwillbeclosedatthesametime.
WhenOP2_AOFM=1,itwillbesetOP2_ARStoselectOP2PorOP2Nasareferencepoint.
Bit5
OP2EN:Operationalamplifier2control
0:disabled
1:enabled
Bit4~0
OP2AOF4~OP2AOF0:Operationalamplifierinputoffsetvoltagecancellationcontrolbits



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