RL78/G13 CHAPTER 2 PIN FUNCTIONS
R01UH0146EJ0100 Rev.1.00 93
Sep 22, 2011
Table 2-3. Connection of Unused Pins (128-pin products) (2/4)
Pin Name I/O Circuit Type I/O Recommended Connection of Unused Pins
P30/INTP3/RTC1HZ
P31/TI03/TO03/INTP4/
(PCLBUZ0)
P32
P33
P34
8-R
P35/ANI23
P36/ANI22
P37/ANI21
11-U
Input: Independently connect to EV
DD0, EVDD1 or EVSS0, EVSS1
via a resistor.
Output: Leave open.
P40/TOOL0
Input: Independently connect to EV
DD0, EVDD1 or leave open.
Output: Leave open.
P41
P42/TI04/TO04
8-R
P43/SCK01/SCL01
P44/SI01/SDA01
5-AN
P45/SO01
P46/INTP1/TI05/TO05
P47/INTP2
P50
P51
P52/SO31
8-R
P53/SI31/SDA31
P54/SCK31/SCL31
P55/(PCLBUZ1)/(SCK00)
5-AN
P56/(INTP1)
P57/(INTP3)
8-R
P60/SCLA0
P61/SDAA0
P62/SCLA1
P63/SDAA1
13-R
P64/TI10/TO10
P65/TI11/TO11
P66/TI12/TO12
P67/TI13/TO13
8-R
I/O
Input: Independently connect to EV
DD0, EVDD1 or EVSS0, EVSS1
via a resistor.
Output: Leave open.
Remarks 1. With products not provided with an EVDD0, EVDD1, EVSS0, or EVSS1 pin, replace EVDD0 and EVDD1 with VDD, or
replace EV
SS0 and EVSS1 with VSS.
2. Functions in parentheses in the above figure can be assigned via settings in the peripheral I/O redirection
register (PIOR).
3. For 64-pin products, I/O circuit type for P43, P53 and P54 pins is 8-R.
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