CHAPTER 2 PIN FUNCTIONS
User’s Manual U16899EJ2V0UD
33
(1) Port pins (2/2)
Pin Name
I/O
Function
After Reset
Alternate Function
P40 to P43
I/O
Port 4.
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
−
P50 to P53
I/O
Port 5.
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
−
P60 to P63
I/O
Port 6.
4-bit I/O port (N-ch open drain).
Input/output can be specified in 1-bit units.
Input
−
P70 to P77
I/O
Port 7.
8-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
KR0 to KR7
P120 I/O
Port 12.
1-bit I/O port.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input INTP0
P130 Output
Port 13.
1-bit output-only port.
Output
−
P140
PCL/INTP6
P141
I/O
Port 14.
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
BUZ/INTP7
Содержание MuPD78F0132H
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