Table of Contents
Advertisement
4.
PIN FUNCTIONS
4.1
PORT PINS (1/2)
Pin
Input/
Name
Output
P00
P01
Input
P02
P03
P10
P11
Input
P12
P13
P20
P21
Input/
output
P22
P23
2
P30*
P31*
2
Input/
output
P32*
2
P33*
2
P40 to
Input/
2
P43*
output
P50 to
Input/
2
P53*
output
P60
P61
Input/
output
P62
P63
*1: The number enclosed with a circle indicates Schmitt trigger input.
*2: Capable of direct driving on LED.
8
Shared
Function
Pin
INT4
4-bit input port (PORT0).
For P01 to P03, built-in pull-up
SCK0
resistors can be specified in 3-bit
units by software.
SO0/SB0
SI0/SB1
INT0
INT1
4-bit input port (PORT1).
INT2
Built-in pull-up resistors can be
specified by software in 4-bit units.
TI0
PTO0
4-bit input/output port (PORT2).
—
Built-in pull-up resistors can be
specified by software in 4-bit units.
PCL
BUZ
—
Programmable 4-bit input/output
port (PORT3).
—
Input/output can be specified in
bit units.
—
Built-in pull-up resistors can be
specified by software in 4-bit unit.
—
N-ch open-drain 4-bit input/output
port (PORT4).
—
A pull-up resistor can be provided
in bit units (mask option).
10V withstanding voltage in the
open-drain mode.
N-ch open-drain 4-bit input/output
port (PORT5).
—
A pull-up resistor can be provided
in bit units (mask option).
10V withstanding voltage in the
open-drain mode.
KR0
Programmable 4-bit input/ output
port (PORT6).
KR1
Input/output can be specified in
bit units.
KR2
Built-in pull-up resistors can be
specified by software in 4-bit units.
KR3
8-bit
I/O
x
With noise
elimination function
x
x
x
O
O
µ PD75512
Input/
When Reset
Output
Circuit
Type*
1
B
F -A
Input
F -B
M -C
Input
B -C
Input
E-B
Input
E-C
High level
(when pull-up
resistor is
M
provided) or
high impedance
High level
(when pull-up
resistor is
M
provided) or
high impedance
Input
F -C
Advertisement
Table of Contents
