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參數(shù)資料
| 型號(hào)： | mPD784031 |
| 廠商： | NEC Corp. |
| 英文描述： | 16/8-BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | 16/8-BIT單片機(jī) |
| 文件頁(yè)數(shù)： | 12/90頁(yè) |
| 文件大?。?/td> | 377K |
| 代理商： | MPD784031 |
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μ
PD784031
12
6. LIST OF PIN FUNCTIONS
6.1 Port Pins
Function
Port 0 (P0):
8-bit I/O port.
Functions as a real-time output port (4 bits
×
2).
Inputs and outputs can be specified bit by bit.
The use of the pull-up resistors can be specified by software for the pins
in the input mode together.
Can drive a transistor.
Port 1 (P1):
8-bit I/O port.
Inputs and outputs can be specified bit by bit.
The use of the pull-up resistors can be specified by software for the pins
in the input mode together.
Can drive LED.
Port 2 (P2):
8-bit input-only port.
P20 does not function as a general-purpose port (nonmaskable inter-
rupt). However, the input level can be checked by an interrupt service
routine.
The use of the pull-up resistors can be specified by software for pins
P22 to P27 (in units of 6 bits).
The P25/INTP4/ASCK/SCK1 pin functions as the SCK1 output pin by
CSIM1.
Port 3 (P3):
8-bit I/O port.
Inputs and outputs can be specified bit by bit.
The use of the pull-up resistors can be specified by software for the pins
in the input mode together.
Port 6 (P6):
P60 to P63 are an output-only port.
Inputs and outputs can be specified bit by bit for pins P66 and P67.
The use of the pull-up resistors can be specified by software for the pins
in the input mode together.
Port 7 (P7):
8-bit I/O port.
Inputs and outputs can be specified bit by bit.
Pin
P00-P07
P10
P11
P12
P13
P14
P15-P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34-P37
P60-P63
P66
P67
P70-P77
I/O
I/O
I/O
Input
I/O
I/O
I/O
Dual-function
-
PWM0
PWM1
ASCK2/SCK2
RxD2/SI2
TxD2/SO2
-
NMI
INTP0
INTP1
INTP2/CI
INTP3
INTP4/ASCK/SCK1
INTP5
SI0
RxD/SI1
TxD/SO1
SCK0/SCL
SO0/SDA
TO0-TO3
A16-A19
WAIT/HLDRQ
REFRQ/HLDAK
ANI0-ANI7
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