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HT45F3W Datasheet(PDF) 137 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) 137 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
SCFC0 Register
Bit
7
6
5
4
3
2
1
0
Na�e
SCFLF1 SCFLF0
SCFA5
SCFA4
SCFA3
SCFA�
SCFA1
SCFA0
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
Bit7~6
SCFLF1~SCFLF0:SCFLowPassFiltercutofffrequencyselection
Band-passfilter–3dBselection:
00:9Hz
01:10Hz
10:11Hz
11:12Hz
Bit5~0
SCFA5~SCFA0:SCFGainselection
Gainrange:0~63
Gain=56+4xSCFA[5:0]
SCFC1 Register
Bit
7
6
5
4
3
2
1
0
Na�e
—
SCFADSF SCFADC SCFCKP� SCFCKP1 SCFCKP0
—
—
R/W
—
R
R/W
R/W
R/W
R/W
—
—
POR
—
0
0
0
0
0
—
—
Bit7
Unimplemented,readas"0"
Bit6
SCFADSF:EnableA/DConvertertomeasureSCFoutputsignal
0:DisableA/DConvertertomeasureSCFoutputsignal
1:EnableA/DConvertertomeasureSCFoutputsignal
Bit5
SCFADC:A/DConverterEnable/DisableautomeasureSCFoutputsignal
0:Disable
1:Enable–A/DconverterwillautomaticallyinitiateanSCFsignalA/Dconversion
Bit4~2
SCFCKP2~SCFCKP0:SCFclockprescaler
000:fSYS/8
001:fSYS/16
010:fSYS/32
011:fSYS/64
100:fSYS/128
101:fSYS/256
110:fSYS/512
111:fSYS/1024
Bit1~0
Unimplemented,readas“0”
SCFCKD Register
Bit
7
6
5
4
3
2
1
0
Na�e
SCFCKD7 SCFCKD� SCFCKD5 SCFCKD4 SCFCKD3 SCFCKD� SCFCKD1 SCFCKD0
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
SCFCKD7~SCFCKD0:TheSCFcircuitclockdivider.
These8bitscanformtheclockdividedby1-256.
Followingthebelowequation:SCFclock=fSCF/(SCFCKD+1)



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