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2.1 Pin Function List
(1) Port pins
Pin Name
I/O
P00 to P04
I/O
P05, P06
P10 to P15
Input
P30 to P32
I/O
P33
P34
P35
P36
P37
P40 to 47
I/O
P50 to P57
I/O
P60 to P67
I/O
P70
I/O
P71
P72
P73
P74
P75
P76
P77
P120
I/O
P121
P122
P123
P124
P125
P130
Output
P131
P132
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CHAPTER 2 PIN FUNCTION
Function
Port 0
7-bit I/O port
Input/output can be specified in 1-bit units.
Port 1
6-bit input port
Port 3
8-bit I/O port.
Input/output can be specified in 1-bit units.
Port 4
8-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Interrupt function by key input is provided.
Port 5
8-bit I/O port
Input/output can be specified in 1-bit units.
Port 6.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Port 7
8-bit I/O port
Input/output can be specified in 1-bit units.
Port 12
6-bit I/O port
Input/output can be specified in 1-bit units.
Port 13
3-bit output port
N-ch open-drain output port (12 V tolerance)
User's Manual U15104EJ2V0UD
After Reset
Alternate Function
Input
INTP0 to INTP4
—
Input
ANI0 to ANI5
Input
—
TI50
TI51
—
BEEP0
BUZ
Input
—
Input
—
Input
—
Input
SI30
SO30
SCK30
—
SI31
SO31
SCK31
TI52
Input
SI32
SO32
SCK32
SI321
SO321
SCK321
Low-level
TO50
output
TO51
TO52
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