UPD75512GFA 데이터 시트보기 (PDF) - NEC => Renesas Technology
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UPD75512GFA Datasheet PDF : 64 Pages
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µPD75512(A)
3. PIN FUNCTIONS
3.1 PORT PINS (1/2)
Pin
Name
Input/
Output
Shared
Pin
Function
8-bit
I/O
When Reset
P00
P01
Input
P02
P03
P10
P11
Input
P12
P13
P20
P21
Input/
output
P22
P23
P30
P31
Input/
output
P32
P33
P40 to
P43
Input/
output
P50 to
P53
Input/
output
P60
P61
Input/
output
P62
P63
INT4
SCK0
SO0/SB0
SI0/SB1
INT0
INT1
INT2
TI0
PTO0
—
PCL
BUZ
—
—
—
—
—
—
KR0
KR1
KR2
KR3
4-bit input port (PORT0).
For P01 to P03, built-in pull-up
resistors can be specified in 3-bit
units by software.
x
Input
With noise
elimination function
4-bit input port (PORT1).
x
Built-in pull-up resistors can be
specified by software in 4-bit units.
4-bit input/output port (PORT2).
Built-in pull-up resistors can be
specified by software in 4-bit units. x
Input
Input
Programmable 4-bit input/output
port (PORT3).
Input/output can be specified in
bit units.
x
Built-in pull-up resistors can be
specified by software in 4-bit unit.
Input
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.
High level
(when pull-up
resistor is
provided) or
high impedance
O
High level
(when pull-up
resistor is
provided) or
high impedance
Programmable 4-bit input/ output
port (PORT6).
Input/output can be specified in
bit units.
O
Built-in pull-up resistors can be
specified by software in 4-bit units.
Input
*: The number enclosed with a circle indicates Schmitt trigger input.
Input/
Output
Circuit
Type*
B
F -A
F -B
M -C
B -C
E-B
E-C
M
M
F -C
8
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