NEC UPD703116 User Manual page 676

(2) Functions of each port pin after reset and registers that set port or control mode
Port Name
Port 0 P00/NMI
P01/ESO0/INTP0
P02/ESO1/INTP1
P03/ADTRG0/INTP2
P04/ADTRG1/INTP3
P05/INTP4
P06/INTP5
P07/INTP6
Port 1 P10/TIUD10/TO10
P11/TCUD10/INTP100
P12/TCLR10/INTP101
P13/TIUD11/TO11
P14/TCUD11/INTP110
P15/TCLR11/INTP111
Port 2 P20/TI2/INTP20
P21/TO21/INTP21
P22/TO22/INTP22
P23/TO23/INTP23
P24/TO24/INTP24
P25/TCLR2/INTP25
P26/TI3/TCLR3/INTP30
P27/TO3/INTP31
Port 3 P30/RXD0
P31/TXD0
P32/RXD1
P33/TXD1
P34/ASCK1
P35/RXD2
P36/TXD2
P37/ASCK2
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CHAPTER 14 PORT FUNCTIONS
Pin Name
Single-Chip
Mode 0
P00 (Input mode)
P01 (Input mode)
P02 (Input mode)
P03 (Input mode)
P04 (Input mode)
P05 (Input mode)
P06 (Input mode)
P07 (Input mode)
P10 (Input mode)
P11 (Input mode)
P12 (Input mode)
P13 (Input mode)
P14 (Input mode)
P15 (Input mode)
P20 (Input mode)
P21 (Input mode)
P22 (Input mode)
P23 (Input mode)
P24 (Input mode)
P25 (Input mode)
P26 (Input mode)
P27 (Input mode)
P30 (Input mode)
P31 (Input mode)
P32 (Input mode)
P33 (Input mode)
P34 (Input mode)
P35 (Input mode)
P36 (Input mode)
P37 (Input mode)
User's Manual U14492EJ5V0UD
Pin Function After Reset
Single-Chip ROMless
Mode 1 Mode 0
Mode-Setting
Register
ROMless
Mode 1
−
PMC1, PFC1
PMC1
PMC1, PFC1
PMC1
PMC2
PMC2, PFC2
PMC2
PMC2, PFC2
PMC3