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參數(shù)資料
| 型號： | μPD78P4038 |
| 廠商： | NEC Corp. |
| 英文描述： | 8/16 Bit Single Chip Microcontrollers(8/16位單片微控制器) |
| 中文描述： | 8 / 16位單片機(jī)微控制器（8 / 16位單片微控制器） |
| 文件頁數(shù)： | 12/72頁 |
| 文件大?。?/td> | 325K |
| 代理商： | ΜPD78P4038 |
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μ
PD78P4038
12
Pin
P00-P07
P10
P11
P12
P13
P14
P15-P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34-P37
P40-P47
I/O
I/O
I/O
Input
I/O
I/O
Alternate-Function
–
PWM0
PWM1
ASCK2/SCK2
R
X
D2/SI2
T
X
D2/SO2
–
NMI
INTP0
INTP1
INTP2/CI
INTP3
INTP4/ASCK/SCK1
INTP5
SI0
R
X
D/SI1
T
X
D/SO1
SCK0/SCL
SO0/SDA
TO0-TO3
AD0-AD7
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
interrupt). 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 4 (P4):
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.
4. LIST OF PIN FUNCTIONS
4.1 Pins for Normal Operating Mode
(1) Port pins (1/2)
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