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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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[ Port A ] [ Port B ] [ Port C ] [ Port D ] [ Port E ] [ Port F ] [ Port G ]

[ Port H ] [ Port I ] [ Port J ] [ Port K ] [ Port L ] [ Port M ] [ Port N ]

  • The user sets whether to use each bit of the port as an IO port or a built-in peripheral function port by setting plural registers.
  • Select the function of the port you wish to use. The register setting value will be displayed.
  • In the actual CPU, the individual setting of the register makes it possible to set ON or OFF of open drain, pull-up register, and pull-down register.
  • Precautions for the description order of the register setting

Selection of the port functions  

PortSettingFunction
PF7 D7/AD7, ENCA0, DTR4, SO1, SDA1
PF6 D6/AD6, ENCB0, DSR4, SI1, SCL1
PF5 D5/AD5, ENCZ0, RIN4, SCK1
PF4 D4/AD4, INT0, DCD4
PF3 D3/AD3, RTS4
PF2 D2/AD2, RXD4, IRIN4
PF1 D1/AD1, TXD4, IROUT4
PF0 D0/AD0, CTS4

Register batch setting

The left side of the setting part is described in hexadecimal notation, and the right- side is described in binary notation.
SymbolRegister NameValue
PFDATAPort F Data Register
PFCRPort F Output Control Register
PFODPort F Open-drain Control Register
PFIEPort F Input Control Register
PFPUPPort F Pull-up Control Register
PFPDNPort F Pull-down Control Register
PFFR1Port F Function Register 1
PFFR2Port F Function Register 2
PFFR3Port F Function Register 3
PFFR4Port F Function Register 4
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