Holtek HT66F0175 - I;O Pin Str�Ct�Res

Rev. 1.50 68 August 28, 2017 Rev. 1.50 69 August 28, 2017
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
IFS Register – HT66F0185
Bit 7 6 5 4 3 2 1 0
Name — SDOPS1 SDOPS0 SDI_SDAPS SCK_SCLPS SCSBPS TXPS RXPS
R/W — R/W R/W R/W R/W R/W R/W R/W
POR — 0 0 0 0 0 0 0
Bit7 Unimplemented,readas“0”
Bit6~5 SDOPS1~SDOPS0:SDOpin-remappingselection
00:SDOonPC3
01:SDOonPA1
10:Undened
11:SDOonPC2
Bit4 SDI_SDAPS:SDI/SDApin-remappingselection
0:SDI/SDAonPC4
1:SDI/SDAonPA3
Bit3 SCK_SCLPS:SCK/SCLpin-remappingselection
0:SCK/CLonPC5
1:SCK/CLonPB6
Bit2 SCSBPS:SCSpin-remappingselection
0:SCSonPC6
1:SCSonPB5
Bit1 TXPS:TXpin-remappingselection
0:TXonPD2
1:TXonPB3
Bit0 RXPS:RXpin-remappingselection
0:RXonPD1
1:RXonPB4
I/O Pin Structures
TheaccompanyingdiagramsillustratetheinternalstructuresofsomegenericI/Opintypes.As
theexactlogicalconstructionoftheI/Opinwilldifferfromthesedrawings,theyaresuppliedasa
guideonlytoassistwiththefunctionalunderstandingoftheI/Opins.Thewiderangeofpin-shared
structuresdoesnotpermitalltypestobeshown.





  
   
   








 
  
  
  
    
  
  
  


 

 
  

 
Generic Input/Output Structure