參數(shù)資料
型號： μPD78P078Y
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位單片機微控制器（8位單片微控制器）
文件頁數(shù)： 15/84頁
文件大?。?/td> 472K
代理商： ΜPD78P078Y
15
m
PD78P078Y
Pin Name
Input/Output
Function
After Reset
Alternate Function
P00
Input
Port 0
Input only
Input
INTP0/TI00
P01
Input/output
8-bit input/output port
Input/output is specifiable
Input
INTP1/TI01
P02
bit-wise. When used as the
INTP2
P03
input port, it is possible to
INTP3
P04
connect an on-chip pull-up
INTP4
P05
resistor by software.
INTP5
P06
INTP6
P07
Note 1
Input
Input only
Input
XT1
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
an on-chip pull-up resistor by software.
Note 2
P20
Input/output
Port 2
Input
SI1
P21
8-bit input/output port
SO1
P22
Input/output is specifiable bit-wise.
SCK1
P23
When used as the input port, it is possible to connect
STB
P24
an on-chip pull-up resistor by software.
BUSY
P25
SI0/SB0
P26
SO0/SB1
P27
SCK0
P30
Input/output
Port 3
Input
TO0
P31
8-bit input/output port
TO1
P32
Input/output is specifiable bit-wise.
TO2
P33
When used as the input port, it is possible to connect
TI1
P34
an on-chip pull-up resistor by software.
TI2
P35
PCL
P36
BUZ
P37
—
2.
PIN FUNCTIONS
2.1
Pins in Normal Operating Mode
(1) Port pins (1/3)
Notes 1.
When the P07/XT1 pin is used as an input port, set the processor clock control register (PCC) bit 6 (FRC)
to 1 (Be sure not to use the feedback resistor of the subsystem clock oscillator).
2.
When the P10/ANI0 to P17/ANI7 pins are used as the analog inputs for the A/D converter, the pull-up
resistor is automatically disabled.
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