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HT45F56 Datasheet(PDF) 63 Page - Holtek Semiconductor Inc

Part # HT45F56
Description  Shock Detector Flash MCU
PDF  90 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F56 Datasheet(HTML) 63 Page - Holtek Semiconductor Inc

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Rev. 1.11
62
April 11, 2017
Rev. 1.11
63
April 11, 2017
HT45F56
Shock Detector Flash MCU
HT45F56
Shock Detector Flash MCU
Digital to Analog Converter
Thereisa6-bitR-2RDigitaltoAnalogconverterintegratedinthisdevice.Thedigitaldatatobe
convertedisstoredintheDACRregister.TheD/Aconverteroutputcanbeusedasthereference
voltageappliedonthenegativeinputofthecomparator.TheDACENbitisusedtocontroltheD/A
converterfunction.
Register
Name
Bit
7
6
5
4
3
2
1
0
DACR
DACEN
—
DA5
DA4
DA3
DA2
DA1
DA0
OPAC
—
OPAEN
—
—
—
—
CKS1
CKS0
Digital to Analog Converter Registers List
DACR Register
Bit
7
6
5
4
3
2
1
0
Name
DACEN
—
DA5
DA4
DA3
DA2
DA1
DA0
R/W
R/W
—
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
—
0
0
0
0
0
0
Bit7
DACEN:D/AconverterEnablecontrol
0:Disable
1:Enable
Bit6
Unimplemented,readas“0”
Bit5~0
DA5~DA0:D/Aconverterdigitaldatabit5~bit0
[
]
64
V
DA0
~
DA5
voltage
output
D/A
DD
×
=
OPAC Register
Bit
7
6
5
4
3
2
1
0
Name
—
OPAEN
—
—
—
—
CKS1
CKS0
R/W
—
R/W
—
—
—
—
R/W
R/W
POR
—
1
—
—
—
—
0
0
Bit7
Unimplemented,readas“0”
Bit6
OPAEN:OperationalAmplifierEnablecontrol
Describedelsewhere.
Bit5~2
Unimplemented,readas“0”
Bit1~0
CKS1~CKS0:D/Aconverterclocksourceselection
00:fLIRC/4
01~11:Reserved,cannotbeused.



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