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User’s Manual U14701EJ3V0UD
Pin Name
I/O
Function
After Reset
Alternate
Function
P00
I/O
Input
INTP0
P01
INTP1
P02
INTP2
P03
INTP3/ADTRG
P04
INTP4
P05
INTP5/BUZ/PCL
P10 to P17
Input
Port 1
8-bit input only port.
Input
ANI0 to ANI7
P20
I/O
Input
R
X
D0/SI3
P21
T
X
D0/SO3
P22
SCK3
P23
SI1
P24
SO1
P25
SCK1
P30
I/O
Input
TO0
P31
TI00
P32
TI01
P33
TO50/TI50
P34
TO51/TI51
P40 to P47
I/O
Port 4
8-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by setting software.
Interrupt request flag (KRIF) is set to 1 by falling edge
detection.
Input
—
P50 to P57
I/O
Port 5
8-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by setting software.
Input
—
P60 to P63
I/O
Input
—
P64 to P67
CHAPTER 2 PIN FUNCTIONS
2.1 Pin Function List
(1) Port pins (1/2)
Port 0
6-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by setting software.
Port 2
6-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by setting software.
Port 3
5-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by setting software.
Medium-voltage N-ch open-drain I/
O port
On-chip pull-up resistor can be
specified by mask option (mask
ROM version only).
An on-chip pull-up resistor can be
used by setting software.
Port 6
8-bit I/O port
Input/output mode
can be specified in 1-
bit units.
LEDs can be driven
directly.