RL78/G1P
CHAPTER 2 PIN FUNCTIONS
R01UH0895EJ0100 Rev.1.00
22
Nov 29, 2019
2.4 Connection of Unused Pins
Table 2-3 shows the connection of unused pins.
Table 2-3. Connection of Unused Pins
Pin Name
I/O Circuit Type
I/O
Recommended Connection of Unused Pins
P10/ANI16
Note 1
11-U
I/O
Input:
Independently connect to V
DD
or V
SS
via a resistor.
Output: Leave open.
P11
Note 2
8-R
P12/TI03/TO03/INTP4/
PCLBUZ0
P13/TI00/TO00
P14
Note 2
P15/PCLBUZ1
P16/TI01/TO01/INTP5
P17
Note 2
P20/ANI0/AV
REFP
11-T
P21/ANI1/AV
REFM
P22/ANI2/ANO0 44
P23/ANI3/ANO1
P24/ANI4
Note 2
11-G
P25/ANI5
Note 2
P26/ANI6
Note 2
P27/ANI7
P30/INTP2/TxD0
/TOOLTxD/SO00
8-R
P31/INTP1/RxD0/
TOOLRxD/SI00
P32/INTP3/SCK00
P33/TI02/TO02/SSI00
P34
Note 2
P35
Note 2
P40/TOOL0 I/O
Input:
Independently connect to V
DD
or leave open.
Output: Leave
open.
P60/SCLA0/SCLA1 13-R
Input:
Independently connect to V
DD
or V
SS
via a resistor.
Output: Leave
open.
P61/SDAA0/SDAA1
P121/X1
37-C
Input
Independently connect to V
DD
or V
SS
via a resistor.
P122/X2/EXCLK
P137/INTP0
2
Input
Independently connect to V
DD
or V
SS
via a resistor.
RESET
2
Input
Connect directly or via a resistor to V
DD
.
REGC
Connect to V
SS
via capacitor (0.47 to 1
F).
Notes 1.
24-pin products only for ANI16
2.
32-pin products only