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HT45F65 Datasheet(PDF) 168 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) 168 Page - Holtek Semiconductor Inc

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Rev. 1.60
168
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Rev. 1.60
169
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HT45F65/HT45F66/HT45F67
Glucose Meter 8-Bit Flash MCU
SPI1 Registers
TherearethreeinternalregisterswhichcontroltheoveralloperationoftheSPI1interface.Theseare
theSPI1DdataregisterandtworegistersSPI1C0andSPI1C1.
Register
Name
Bit
7
6
5
4
3
2
1
0
SPI1C0
S1MS�
S1MS1
S1MS0
—
SPICF
—
SPI1E�
S1CS
SPI1C1
—
—
S1CKPOL S1CKEG
S1MLS
S1CSE� S1WCOL S1TRF
SPI1D
D7
D6
D�
D�
D3
D�
D1
D0
SPI1 Registers List
• SPI1C0 Register
Bit
7
6
5
4
3
2
1
0
�a�e
S1MS�
S1MS1
S1MS0
—
SPICF
—
SPI1E�
S1CS
R/W
R/W
R/W
R/W
—
R/W
—
R/W
R/W
POR
1
1
1
—
0
—
0
0
Bit7~5
S1MS2~S1MS0:Master/SlaveClockSelect
000:SPI1master,fSYS/4
001:SPI1master,fSYS/16
010:SPI1master,fSYS/64
011:SPI1master,fSUB
100:SPI1master,TP0CCRPmatchfrequency/2(PFD)
101:SPI1slave
Bit4
Unimplemented,readas“0”
Bit3
SPICF:SPI1interfacetransferincompleteflag
0:NoSPI1incompletetransferoccurs
1:SPI1incompletetransferoccurred
TheSPICFbitisonlyusedfortheSPI1slavedevicetoindicatewhethertheSPI1
transferiscompleteornot.WhentheSPI1transferisinprogressandtheSCS1B0or
SCS1B1pinissetto“1”,theSPI1transferwillbestoppedandtheSPICFflagwillbe
setto1byhareware.
Bit2
Unimplemented,readas“0”
Bit1
SPI1EN:SPI1enableordisable
0:Disable
1:Enable
Bit0
S1CS:SPI1chipselectpin
0:SCS1B0
1:SCS1B1



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