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HT45F5N bảng dữ liệu(PDF) 64 Page - Holtek Semiconductor Inc

tên linh kiện HT45F5N
Giải thích chi tiết về linh kiện  Power Bank ASSP Flash MCU
PDF  202 Pages
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nhà sản xuất  HOLTEK [Holtek Semiconductor Inc]
Trang chủ  http://www.holtek.com
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HT45F5N bảng dữ liệu(HTML) 64 Page - Holtek Semiconductor Inc

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Rev. 1.00
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HT45F5N/HT45FH5N
Power Bank ASSP Flash MCU
HT45F5N/HT45FH5N
Power Bank ASSP Flash MCU
I/O Port Control Registers
EachI/OporthasitsowncontrolregisterknownasPAC~PDC,tocontroltheinput/output
configuration.Withthiscontrolregister,eachCMOSoutputorinputcanbereconfigured
dynamicallyundersoftwarecontrol.EachpinoftheI/Oportsisdirectlymappedtoabitinits
associatedportcontrolregister.FortheI/Opintofunctionasaninput,thecorrespondingbitofthe
controlregistermustbewrittenasa"1".Thiswillthenallowthelogicstateoftheinputpintobe
directlyreadbyinstructions.Whenthecorrespondingbitofthecontrolregisteriswrittenasa"0",
theI/OpinwillbesetupasaCMOSoutput.Ifthepiniscurrentlysetupasanoutput,instructions
canstillbeusedtoreadtheoutputregister.However,itshouldbenotedthattheprogramwillinfact
onlyreadthestatusoftheoutputdatalatchandnottheactuallogicstatusoftheoutputpin.
PAC Register
Bit
7
6
5
4
3
2
1
0
�a�e
PAC7
PAC�
PAC5
PAC4
PAC3
PAC�
PAC1
PAC0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
1
1
1
1
1
1
1
1
Bit7~0
PAC7~PAC0:PortAPinInput/OutputTypeSelection
0:Output
1:Input
PBC Register
Bit
7
6
5
4
3
2
1
0
�a�e
PBC7
PBC�
PBC5
PBC4
PBC3
PBC�
PBC1
PBC0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
1
1
1
1
1
1
1
1
Bit7~0
PBC7~PBC0:PortBPinInput/OutputTypeSelection
0:Output
1:Input
PCC Register
Bit
7
6
5
4
3
2
1
0
�a�e
—
—
PCC5
PCC4
PCC3
PCC�
PCC1
PCC0
R/W
—
—
R/W
R/W
R/W
R/W
R/W
R/W
POR
—
—
1
1
1
1
1
1
Bit7~6
Unimplemented,readas"0"
Bit5~0
PCC5~PCC0:PortCPinInput/OutputTypeSelection
0:Output
1:Input
PDC Register
Bit
7
6
5
4
3
2
1
0
�a�e
PDC7
PDC�
PDC5
PDC4
PDC3
PDC�
PDC1
PDC0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
1
1
1
1
1
1
1
1
Bit7~0
PDC7~PDC0:PortDPinInput/OutputTypeSelection
0:Output
1:Input



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