RL78/G1P
CHAPTER 2 PIN FUNCTIONS
R01UH0895EJ0100 Rev.1.00
13
Nov 29, 2019
2.1.2 32-pin products
Function Name
I/O
Function
After Reset
Alternate Function
P10 I/O
Port
1.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a software
setting at input port.
Input port
P11
P12
TI03/TO03/INTP4/
PCLBUZ0
P13
TI00/TO00
P14
P15
PCLBUZ1
P16
TI01/TO01/INTP5
P17
P20 I/O
Port
2.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Analog input
port
ANI0/AV
REFP
P21
ANI1/AV
REFM
P22
ANI2/ANO0
P23
ANI3/ANO1
P24
ANI4
P25
ANI5
P26
ANI6
P27
ANI7
P30 I/O
Port
3.
6-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a software
setting at input port.
Input port
INTP2/TxD0/
TOOLTxD/SO00
P31
INTP1/RxD0/
TOOLRxD/SI00
P32
INTP3/SCK00
P33
TI02/TO02/SSI00
P34
P35
P40 I/O
Port
4.
1-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a software
setting at input port.
Input port
TOOL0
P60 I/O
Port
6.
2-bit I/O port.
Output of P60 and P61 can be set to N-ch open-drain output (6 V
tolerance).
Input/output can be specified in 1-bit units.
Input port
SCLA0/SCLA1
P61
SDAA0/SDAA1
P121 Input
Port
12.
2-bit input port.
Input port
X1
P122
X2/EXCLK
P137 Input
Port 13.
1-bit input only port.
Input port
INTP0