參數(shù)資料
型號： μPD75P3216
廠商： NEC Corp.
英文描述： 4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述： 4位單片微控制器（4位單片微控制器）
文件頁數(shù)： 6/56頁
文件大?。?/td> 347K
代理商： ΜPD75P3216
6
m
PD75P3216
3. PIN FUNCTIONS
3.1 Port Pins
Pin Name
I/O
Shared by
Function
8-bit
I/O
Status
After Reset
I/O Circuit
Type
Note 1
P00
Input
INT4
￥
Input
<B>
P01
I/O
SCK
<F>-A
P02
I/O
SO/SB0
<F>-B
P03
I/O
SI/SB1
<M>-C
P10
Input
INT0
￥
Input
<B>-C
P13
TI0
P20
I/O
PTO0
￥
Input
E-B
P21
PTO1
P22
PCL/PTO2
P23
BUZ
P30
I/O
LCDCL/MD0
￥
Input
E-B
P31
SYNC/MD1
P32
MD2
P33
MD3
P50
Note 2
I/O
D4
￥
High
M-E
P51
Note 2
D5
impedance
P52
Note 2
D6
P53
Note 2
D7
P60
I/O
KR0/D0
￥
Input
<F>-A
P61
KR1/D1
P62
KR2/D2
P63
KR3/D3
P80
I/O
S23
Input
H
P81
S22
P82
S21
P83
S20
P90
I/O
S19
Input
H
P91
S18
P92
S17
P93
S16
Notes 1.
Circuit types enclosed in brackets indicate Schmitt trigger circuits.
2.
Low level input current leakage increases when input instructions or bit manipulation instructions are
executed.
This is a 4-bit input port (PORT0).
P01 to P03 are 3-bit pins for which an internal
pull-up resistor can be connected by software.
This is a 4-bit I/O port (PORT2).
These are 4-bit pins for which an internal pull-up
resistor can be connected by software.
This is a programmable 4-bit I/O port (PORT3).
Input and output in single-bit units can be specified.
When set for 4-bit units, an internal pull-up resistor
can be connected by software.
This is a 1-bit input port (PORT1).
These are 1-bit pins for which an internal pull-up
resistor can be connected by software.
P10/INT0 can select noise elimination circuit.
This is a programmable 4-bit I/O port (PORT9).
When set for 4-bit units, an internal pull-up resistor
can be connected by software.
This is a 4-bit I/O port (PORT8).
When set for 4-bit units, an internal pull-up resistor
can be connected by software.
This is a programmable 4-bit I/O port (PORT6).
Input and output in single-bit units can be specified.
When set for 4-bit units, an internal pull-up resistor
can be connected by software.
Also functions as data I/O pin (lower 4 bits) for
program memory (PROM) write/verify.
This is an N-ch open-drain 4-bit I/O port (PORT5).
When set to open-drain, voltage is 13 V.
Also functions as data I/O pin (upper 4 bits)
for program memory (PROM) write/verify.
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