Datasheet
RL78/L12    CHAPTER 2 PIN FUNCTIONS 
R01UH0330EJ0200 Rev.2.00      21 
Dec 13, 2013 
 (2/2) 
Function 
Name 
Pin Type  I/O  After Reset  Alternate Function  Function 
P60 12-1-4 I/O 
Digital input 
invalid 
SCLA0/SEG21 
Port 6. 
2-bit I/O port. 
Input/output can be specified in 1-bit units. 
P61 SDAA0/SEG20 
P121 2-2-1  Input Input port X1 
Port 12. 
2-bit I/O port and 2-bit input port. 
For P126 and P127, input/output can be specified in 1-
bit units. 
For P126 and P127, use of an on-chip pull-up resistor 
can be specified by a software setting at input port. 
P122 X2/EXCLK  
P126 8-5-2  I/O 
Digital input 
invalid 
CAPL 
P127 CAPH 
P137 2-1-2  Input Input port INTP0 
Port 13. 
1-bit input port. 
P140 7-5-1  I/O 
Digital input 
invalid 
TO00/PCLBUZ0/ 
KR3/SEG27 
Port 14. 
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. 
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