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HT45F3W Datasheet(PDF) 129 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) 129 Page - Holtek Semiconductor Inc

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Rev. 1.50
1�8
De�e��e� 01� �01�
Rev. 1.50
1�9
De�e��e� 01� �01�
HT45F3W
R-Type Blood Pressure Meter Flash MCU
HT45F3W
R-Type Blood Pressure Meter Flash MCU
M
U
X
M
U
X
LX T
LI RC
f SY S /4
¸ 2 ~ 2
81 5
¸ 2 ~ 2
12
15
TB 11~ TB 10
Ti me B as e 0 In te rr upt
Ti me B as e 1 In te rr upt
Co nf i gur at io n
Op ti o n
TB CK B it
TB 02~ TB 00
f TB
f TB C
Time Base Interrupt
TBC Register
Bit
7
6
5
4
3
2
1
0
Na�e
TBON
TBCK
TB11
TB10
LXTLP
TB0�
TB01
TB00
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
0
1
1
0
1
1
1
Bit7
TBON:TB0andTB1Control
0:Disable
1:Enable
Bit6
TBCK:SelectfTBClock
0:fTBC
1:fSYS/4
Bit5~4
TB11, TB10:SelectTimeBase1Time-outPeriod
00:4096/fTB
01:8192/fTB
10:16384/fTB
11:32768/fTB
Bit3
LXTLP:LXTLowPowerControl
0:Disable(LXTquickstart-up)
1:Enable(LXTslowstart-up)
Bit2~0
TB02~TB00:SelectTimeBase0Time-outPeriod
000:256/fTB
001:512/fTB
010:1024/fTB
011:2048/fTB
100:4096/fTB
101:8192/fTB
110:16384/fTB
111:32768/fTB
SPI Interrupts
TheSPI1andSPI0Interrupts,arecontainedwithintheMulti-functionInterrupt.WhentheSPI
datatransmithasbeenfinished,theirrespectiveinterruptrequestflags,SPInFwillbeset.Toallow
theprogramtobranchtotheirrespectiveinterruptvectoraddresses,theglobalinterruptenablebit,
EMI,multi-functionenablebit,MFnEandSPIinterruptenablebits,SPInE,mustfirstbeset.When
theinterruptisenabled,thestackisnotfullandtheSPItransmitdatafinished,asubroutinecallto
therespectiveMulti-functionInterruptvector,willtakeplace.Whentheinterruptisserviced,the
EMIbitwillbeautomaticallyclearedtodisableotherinterrupts,howeveronlytheMulti-function
interruptrequestflagwillbealsoautomaticallycleared.AstheSPInFflagswillnotbeautomatically
cleared,theyhavetobeclearedbytheapplicationprogram.



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