參數(shù)資料
型號： UPD75512GFA
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機
文件頁數(shù)： 8/64頁
文件大?。?/td> 494K
代理商： UPD75512GFA
μ
PD75512(A)
8
3. PIN FUNCTIONS
3.1 PORT PINS (1/2)
Input/
Output
Circuit
Type*
Pin
Name
Input/
Output
Shared
Pin
Function
8-bit
I/O
When Reset
P00
INT4
4-bit input port (PORT0).
For P01 to P03, built-in pull-up
resistors can be specified in 3-bit
units by software.
B
P01
SCK0
F -A
Input
x
Input
P02
SO0/SB0
F -B
P03
SI0/SB1
M -C
P10
INT0
With noise
elimination function
P11
INT1
Input
4-bit input port (PORT1).
Built-in pull-up resistors can be
specified by software in 4-bit units.
x
Input
B -C
P12
INT2
P13
TI0
P20
PTO0
4-bit input/output port (PORT2).
Built-in pull-up resistors can be
specified by software in 4-bit units.
P21
Input/
output
—
x
Input
E-B
P22
PCL
P23
BUZ
P30
—
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.
P31
Input/
output
—
x
Input
E-C
P32
—
P33
—
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.
High level
(when pull-up
resistor is
provided) or
high impedance
P40 to
P43
Input/
output
—
M
O
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.
High level
(when pull-up
resistor is
provided) or
high impedance
P50 to
P53
Input/
output
—
M
P60
KR0
Programmable 4-bit input/ output
port (PORT6).
Input/output can be specified in
bit units.
Built-in pull-up resistors can be
specified by software in 4-bit units.
P61
Input/
output
KR1
O
Input
F -C
P62
KR2
P63
KR3
*: The number enclosed with a circle indicates Schmitt trigger input.
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