參數(shù)資料
型號: μPD78070AY
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): 10/72頁
文件大?。?/td> 524K
代理商: ΜPD78070AY
μ
PD78070AY
10
3.
PIN FUNCTIONS
3.1
Port Pins (1/2)
Pin Name
Input/Output
Function
After Reset
Alternate Function
P00
Input
Port 0
8-bit input/output port
Input only
Input
INTP0/TI00
P01
Input/output
Input/output can be specified
bit-wise. When used as an
input port, on-chip pull-up
resistor can be
Input
INTP1/TI01
P02
INTP2
P03
INTP3
P04
used by software.
INTP4
P05
INTP5
P06
INTP6
P07
Note1
Input
Input only
Input
XT1
P10 to P17
Input/output
Port 1
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.
Note 2
Input
ANI0 to ANI7
P20
Input/output
Port 2
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.
Input
SI1
P21
SO1
P22
SCK1
P23
STB
P24
BUSY
P25
SI0/SB0/SDA0
P26
SO0/SB1/SDA1
P27
SCK0/SCL
P30
Input/output
Port 3
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.
Input
TO0
P31
TO1
P32
TO2
P33
TI1
P34
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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