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參數(shù)資料
| 型號： | UPD75P3018AGK-BE9 |
| 廠商： | NEC Corp. |
| 英文描述： | LJT 46C 40#20 4#16 2#8(COAX) |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 56/64頁 |
| 文件大?。?/td> | 356K |
| 代理商： | UPD75P3018AGK-BE9 |
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PD75P3018A
6
Data Sheet U11917EJ2V0DS00
3. PIN FUNCTIONS
3.1 Port Pins (1/2)
Pin Name
I/O
Alternate Function
Function
8-bit
After Reset I/O Circuit
I/O
TypeNote 1
P00
Input
INT4
This is a 4-bit input port (PORT0).
—
Input
<B>
P01 to P03 are 3-bit pins for which an internal
P01
SCK
pull-up resistor connection can be specified
<F>-A
by software.
P02
SO/SB0
<F>-B
P03
SI/SB1
<M>-C
P10
Input
INT0
This is a 4-bit input port (PORT1).
—
Input
<B>-C
These are 4-bit pins for which an internal pull-up
P11
INT1
resistor connection can be specified by software.
P10/INT0 can select noise elimination circuit.
P12
TI1/TI2/INT2
P13
TI0
P20
I/O
PTO0
This is a 4-bit I/O port (PORT2).
—
Input
E-B
These are 4-bit pins for which an internal pull-up
P21
PTO1
resistor connection can be specified by software.
P22
PCL/PTO2
P23
BUZ
P30
I/O
LCDCL/MD0
This is a programmable 4-bit I/O port (PORT3).
—
Input
E-B
Input and output in single-bit units can be specified.
P31
SYNC/MD1
When set for 4-bit units, an internal pull-up resistor
connection can be specified by software.
P32
MD2
P33
MD3
P40Note 2
I/O
D0
This is an N-ch open-drain 4-bit I/O port (PORT4).
√
High
M-E
When set to open-drain, voltage is 13 V.
impedance
P41Note 2
D1
Also functions as data I/O pin (low-order 4 bits)
for program memory (PROM) write/verify.
P42Note 2
D2
P43Note 2
D3
P50Note 2
I/O
D4
This is an N-ch open-drain 4-bit I/O port (PORT5).
High
M-E
When set to open-drain, voltage is 13 V.
impedance
P51Note 2
D5
Also functions as data I/O pin (high-order 4 bits)
for program memory (PROM) write/verify.
P52Note 2
D6
P53Note 2
D7
Notes 1. Circuit types enclosed in brackets indicate Schmitt trigger input.
2. Low-level input leakage current increases when input instructions or bit manipulation instructions are executed.
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