Renesas RL78/G13 - Page 74

RL78/G13 CHAPTER 2 PIN FUNCTIONS
R01UH0146EJ0100 Rev.1.00 55
Sep 22, 2011
(2/2)
Function Name I/O Function After Reset Alternate Function
P50 INTP1/SI11/SDA11
P51
I/O
Port 5.
2-bit I/O port.
Output of P50 can be set to N-ch open-drain output (V
DD
tolerance).
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input port
INTP2/SO11
P60 SCLA0
P61 SDAA0
P62
I/O
Port 6.
3-bit I/O port.
Output of P60 to P62 can be set to N-ch open-drain output (6
V tolerance).
Input/output can be specified in 1-bit units.
Input port
−
P70 KR0/SCK21/SCL21
P71 KR1/SI21/SDA21
P72 KR2/SO21
P73
I/O
Port 7.
4-bit I/O port.
Output of P71 can be set to N-ch open-drain output (V
DD
tolerance).
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input port
KR3
P120 I/O
Analog input
port
ANI19
P121 X1
P122 X2/EXCLK
P123 XT1
P124
Input
Port 12.
1-bit I/O port and 4-bit input port.
P120 can be set to analog input.
For only P120, input/output can be specified in 1-bit units.
For only P120, use of an on-chip pull-up resistor can be
specified by a software setting.
Input port
XT2/EXCLKS
P137 Input
Port 13.
1-bit input port.
Input port INTP0
P147 I/O
Port 14.
1-bit I/O port.
P147 can be set to analog input.
Input/output can be specified.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Analog input
port
ANI18