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HT45F3W Datasheet(PDF) 136 Page - Holtek Semiconductor Inc

Part # HT45F3W
Description  HT45F3W
PDF  167 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F3W Datasheet(HTML) 136 Page - Holtek Semiconductor Inc

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Rev. 1.50
13�
De�e��e� 01� �01�
Rev. 1.50
137
De�e��e� 01� �01�
HT45F3W
R-Type Blood Pressure Meter Flash MCU
HT45F3W
R-Type Blood Pressure Meter Flash MCU
PGA Control Register
PGAC0 Register
Bit
7
6
5
4
3
2
1
0
Na�e
PGAEN PGAA01 PGAA00 PGAVREF4 PGAVREF3 PGAVREF� PGAVREF1 PGAVREF0
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
PGAEN:enable/disable
0:disable–allPGAandSCFcircuitspowereddown
1:enable
Bit6~5
PGAA01, PGAA00:PGA1firststagegainselection
00:8
01:16
10:32
11:64
Bit4~0
PGAVREF4~PGAVREF0:PGA1OffsetVoltageselection
PGA1OffsetVoltage=([PGAVREF4:0]/32)*VOREG
PGAC1 Register
Bit
7
6
5
4
3
2
1
0
Na�e
CPEN
BIPGA1
BIPGA0 PGAA14 PGAA13 PGAA1� PGAA11 PGAA10
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
CPEN:PGA1’schopperenabled/disabledcontrol
0:disabled
1:enabled
Whenchopperisenabled,thesystemwillsupplya12kHztoPAG1forchopper
operation.
Bit6~5
BIPGA1, BIPGA0:low-noiseOPAbiascurrentcontrol
Bit4~0
PGAA14~PGAA10:PGA1secondstagegainselection
Gainrange:0~31
Gain=(1+[PGAA14:PAGA10]/32)
PGAC2 Register
Bit
7
6
5
4
3
2
1
0
Na�e
D7
D�
D5
D4
D3
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:PAG2OffsetVoltageselection
PGA2OffsetVoltage=(3.3Vx[PGAC2[7:0]/256)



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