參數(shù)資料
型號: μPD78070A
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): 11/74頁
文件大?。?/td> 481K
代理商: ΜPD78070A
m
PD78070A
11
3.
PIN FUNCTIONS
3.1
Port Pins (1/2)
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 can be specified
Input
INTP1/TI01
P02
bit-wise. When used as an
INTP2
P03
input port, on-chip pull-up resistor
INTP3
P04
can be used by software.
INTP4
P05
INTP5
P06
INTP6
P07
Note1
Input
Input only.
Input
XT1
P10-P17
Input/output
Port 1
Input
ANI0-ANI7
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor
can be used by software.
Note2
P20
Input/output
Port 2
Input
SI1
P21
8-bit input/output port.
SO1
P22
Input/output can be specified bit-wise.
SCK1
P23
When used as an input port, on-chip pull-up resistor
STB
P24
can be used 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 can be specified bit-wise.
TO2
P33
When used as an input port, on-chip pull-up resistor
TI1
P34
can be used by software.
TI2
P35
PCL
P36
BUZ
P37
Notes 1.
When using the P07/XT1 pin as an input port, set bit 6 (FRC) of the processor clock control register (PCC) to
1. Do not use the on-chip feedback resistor of the subsystem clock oscillator.
2.
When using the P10/ANI0 to P17/ANI7 pins as the A/D converter analog inputs, their on-chip pull-up resistors
are automatically disconnected.
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