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Holtek HT66F30 User Manual

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Rev. 2.50 82 June 22, 2017 Rev. 2.50 83 June 22, 2017
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
Input/Output Ports
HoltekmicrocontrollersofferconsiderableexibilityontheirI/Oports.Withtheinputoroutput
designationofeverypinfullyunderuserprogramcontrol,pull-highselectionsforallportsand
wake-upselectionsoncertainpins,theuserisprovidedwithanI/Ostructuretomeettheneedsofa
widerangeofapplicationpossibilities.
Thedeviceprovidesbidirectionalinput/outputlineslabeledwithportnamesPA~PG.TheseI/O
portsaremappedtotheRAMDataMemorywithspecicaddressesasshownintheSpecialPurpose
DataMemorytable.AlloftheseI/Oportscanbeusedforinputandoutputoperations.Forinput
operation,theseportsarenon-latching,whichmeanstheinputsmustbereadyattheT2risingedge
ofinstruction"MOVA,[m]",wheremdenotestheportaddress.Foroutputoperation,allthedatais
latchedandremainsunchangeduntiltheoutputlatchisrewritten.
I/O Port Register List
HT66F20
Register
Name
Bit
7 6 5 4 3 2 1 0
PAWU
D7 D6 D5 D4 D3 D2 D1 D0
PAPU
D7 D6 D5 D4 D3 D2 D1 D0
PA
D7 D6 D5 D4 D3 D2 D1 D0
PAC
D7 D6 D5 D4 D3 D2 D1 D0
PBPU D5 D4 D3 D2
D1 D0
PB D5 D4 D3 D2
D1 D0
PBC D5 D4 D3 D2
D1 D0
PCPU D3 D2
D1 D0
PC D3 D2
D1 D0
PCC D3 D2
D1 D0
HT66F30
Register
Name
Bit
7 6 5 4 3 2 1 0
PAWU
D7 D6 D5 D4 D3 D2 D1 D0
PAPU
D7 D6 D5 D4 D3 D2 D1 D0
PA
D7 D6 D5 D4 D3 D2 D1 D0
PAC
D7 D6 D5 D4 D3 D2 D1 D0
PBPU D5 D4 D3 D2
D1 D0
PB D5 D4 D3 D2
D1 D0
PBC D5 D4 D3 D2
D1 D0
PCPU
D7 D6 D5 D4 D3 D2 D1 D0
PC
D7 D6 D5 D4 D3 D2 D1 D0
PCC
D7 D6 D5 D4 D3 D2 D1 D0

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Holtek HT66F30 Specifications

General IconGeneral
BrandHoltek
ModelHT66F30
CategoryComputer Hardware
LanguageEnglish

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