參數(shù)資料
型號(hào)： μPD789416
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)： 12/126頁
文件大?。?/td> 590K
代理商： ΜPD789416
12
μ
PD789415, 789416, 789417
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
P20
I/O
Input
SCK/ASCK
P21
SO/TxD
P22
SI/RxD
P23
CMPTOUT0/TO2
P24
INTP0/TI0
P25
INTP1/TI1
P26
INTP2/TO5
P27
INTP3/CPT5
P40-P45
I/O
Input
KR0-KR5
P46, P47
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
Input
Port 6
7-bit input-only port
Input
ANI0/CMPIN0
P61
ANI1/CMPREF0
P62-P66
ANI2-ANI6
P80-P87
I/O
Port 8
8-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
S27-S20
P90-P93
I/O
Port 9
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
S19-S16
Port 2
8-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.
Port 4
8-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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