參數(shù)資料
型號: μPD75P3036
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): 7/64頁
文件大?。?/td> 382K
代理商: ΜPD75P3036
m
PD75P3036
7
3. PIN FUNCTIONS
3.1 Port Pins (1/2)
Pin name
I/O
Alternate
function
Function
8-bit
I/O
Status
after reset
I/O circuit
type
Note 1
P00
Input
INT4
This is a 4-bit input port (PORT0).
Connection of an on-chip pull-up resistor can be
specified in 3-bit units by software for P01 to P03.
No
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
This is a 4-bit input port (PORT1).
Connection of an on-chip pull-up resistor can be
specified in 4-bit units by software.
P10/INT0 can select noise elimination circuit.
No
Input
<B>-C
P11
INT1
P12
INT2
P13
TI0
P20
I/O
PTO0
This is a 4-bit I/O port (PORT2).
Connection of an on-chip pull-up resistor can be
specified in 4-bit units by software.
No
Input
E-B
P21
PTO1
P22
PCL/PTO2
P23
BUZ
P30
I/O
LCDCL/MD0
This is a programmable 4-bit I/O port (PORT3).
Input and output can be specified in bit units.
Connection of an on-chip pull-up resistor can be
specified in 4-bit units by software.
No
Input
E-B
P31
SYNC/MD1
P32
MD2
P33
MD3
P40
Note 2
I/O
D0
This is an N-ch open-drain 4-bit I/O port (PORT4).
When set to open-drain, voltage is 13 V.
Also functions as data I/O pin (lower 4 bits)
for program memory (PROM) write/verify.
Yes
High
impedance
M-E
P41
Note 2
D1
P42
Note 2
D2
P43
Note 2
D3
P50
Note 2
I/O
D4
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.
High
impedance
M-E
P51
Note 2
D5
P52
Note 2
D6
P53
Note 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 manipulate instructions are executed.
*
*
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