Datasheet

CHAPTER 2 PIN FUNCTIONS
User’s Manual U18698EJ1V0UD
28
(1) Port pins (2/2)
Function Name I/O Function After Reset Alternate Function
P100, P101 I/O
Port 10.
2-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.
Input port SEG4, SEG5
P112 SEG6/TxD6
P113
I/O
Port 11.
2-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.
Input port
SEG7/RxD6
P120 I/O INTP0/EXLVI
P121 X1/OCD0A
P122 X2/EXCLK/OCD0B
P123 XT1
P124
Input
Port 12.
1-bit I/O port and 4-bit input port.
Only for P120, use of an on-chip pull-up resistor can be
specified by a software setting.
Input port
XT2
P140 to P143 I/O
Port 14.
4-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.
Input port SEG8 to SEG11
P150 to P153 I/O
Port 15.
4-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.
Input port SEG12 to SEG15