參數(shù)資料
型號(hào): μPD75P3116
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(yè)數(shù): 7/60頁(yè)
文件大?。?/td> 350K
代理商: ΜPD75P3116
μ
PD75P3116
7
3.1 Port Pins (2/2)
Pin name
I/O
Alternate function
Function
8-bit
I/O
Status
after reset
I/O circuit
type
Note 1
P60
I/O
KR0/D0
Programmable 4-bit I/O port (PORT6)
Input and output in single-bit units can be specified.
When set for 4-bit units, connection of an internal
pull-up resistor can be specified by software.
X
Input
<F>-A
P61
KR1/D1
P62
KR2/D2
P63
KR3/D3
P80
I/O
S23
4-bit I/O port (PORT8)
When set for 4-bit units, connection of an internal
pull-up resistor can be specified by software
Note 3
.
Input
H
P81
S22
P82
S21
P83
S20
P90
I/O
S19
Programmable 4-bit I/O port (PORT9)
When set for 4-bit units, connection of an internal
pull-up resistor can be specified by software
Note 3
.
Input
H
P91
S18
P92
S17
P93
S16
Notes 1.
Circuit types enclosed in brackets indicate Schmitt trigger input.
2.
Low-level leak current increases when an input instruction or a bit manipulation instruction is performed.
3.
Do not connect an internal pull-up resistor by software when used as the segment signal output.
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