參數(shù)資料
型號(hào): μPD789132
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): 10/48頁
文件大?。?/td> 215K
代理商: ΜPD789132
Preliminary Product Information
10
μ
PD789131, 789132, 789134
3. PIN FUNCTIONS
3.1
Port Pins
Pin name
I/O
Function
When reset
Also used as
P00-P03
I/O
Port 0
4-bit input/output port
Can be set to either input or output in 1-bit units
When used as an input port, whether the built-in pull-up resistor is to
be used can be specified by software.
Input
-
P10, P11
I/O
Port 1
2-bit input/output port
Can be set to either input or output in 1-bit units
When used as an input port, whether the built-in pull-up resistor is to
be used can be specified by software.
Input
-
P20
I/O
Input
SCK20/ASCK20
P21
SO20/TxD20
P22
SI20/RxD20
P23
INTP0/CPT20
/SS20
P24
INTP1/TO80/TO20
P25
INTP2/TI80
P50-P53
I/O
Port 5
4-bit N-channel open-drain input/output port
Can be set to either input or output in 1-bit units
Whether a pull-up resistor is to be incorporated can be specified by
a mask option.
Input
-
P60-P63
Input
Port 6
4-bit input-only port
Input
ANI0-ANI3
Port 2
6-bit input/output port
Can be set to either input or output in 1-bit units
When used as an input port, whether the built-in pull-up resistor is to
be used can be specified by software.
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