參數(shù)資料
型號： μPD78081(A)
廠商： NEC Corp.
英文描述： 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述： 8位單片機(jī)微控制器（8位單片微控制器）
文件頁數(shù)： 10/60頁
文件大小： 302K
代理商： ΜPD78081(A)
10
μ
PD78081(A), 78082(A)
3. PIN FUNCTIONS
3.1 Port Pins
Pin Name
Input/Output
Function
After Reset
Shared by:
P00
Input
Port 0
Input only
Input
—
P01
Input/output
4-bit input/output port
Input/output is specifiable
Input
INTP1
P02
bit-wise. When used as the
INTP2
P03
input port, it is possible to
INTP3
connect a pull-up resistor by
software.
P10 to P17
Input/output
Port 1
Input
ANI0 to ANI7
8-bit input/output port
Input/output is specifiable bit-wise.
When used as the input port, it is possible to connect
a pull-up resistor by software.
Note
P30 to P34
Input/output
Port 3
Input
—
P35
8-bit input/output port
PCL
P36
Input/output is specifiable bit-wise.
BUZ
P37
When used as the input port, it is possible to connect
—
a pull-up resistor by software.
P50 to P57
Input/output
Port 5
Input
—
8-bit input/output port
Can drive up to seven LEDs directly.
Input/output is specifiable bit-wise.
When used as the input port, it is possible to connect
a pull-up resistor by software.
P70
Input/output
Port 7
Input
SI2/RxD
P71
3-bit input/output port
SO2/TxD
P72
Input/output is specifiable bit-wise.
SCK2/ASCK
When used as the input port, it is possible to connect
a pull-up resistor by software.
P100
Input/output
Port 10
Input
TI5/TO5
P101
2-bit input/output port
TI6/TO6
Input/output is specifiable bit-wise.
When used as the input port, it is possible to connect
a pull-up resistor by software.
Note
When P10/ANI0 to P17/ANI7 pins are used as the analog inputs for the A/D converter, set the port 1 to the
input mode. The on-chip pull-up resistor is automatically disabled.
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