參數(shù)資料
型號(hào)： μPD78074B
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(jī)微控制器（8位單片微控制器）
文件頁數(shù)： 11/76頁
文件大?。?/td> 568K
代理商： ΜPD78074B
11
μ
PD78074B, 78075B
Pin Name
I/O
Function
After
Reset
Shared by:
P00
Input
INTP0/TI00
P01
Input
INTP1/TI01
P02
INTP2
P03
INTP3
P04
INTP4
P05
INTP5
P06
INTP6
P07
Note 1
Input
XT1
P10 to P17
Input
ANI0 to ANI7
P20
Input
SI1
P21
SO1
P22
SCK1
P23
STB
P24
BUSY
P25
SI0/SB0
P26
SO0/SB1
P27
SCK0
P30
Input
TO0
P31
TO1
P32
TO2
P33
TI1
P34
TI2
P35
PCL
P36
BUZ
P37
—
P40 to P47
Input
AD0 to AD7
3. PIN FUNCTIONS
3.1 Port Pins (1/2)
Notes 1.
When using the P07/XT1 pin as an input port, set 1 to bit 6 (FRC) of the processor clock control
register (PCC). (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 input, on-chip pull-up resistor
is automatically disconnected.
Port 0
8-bit input/output port
Input only
Input
Input/output can be specified bit-wise.
When used as an input port, on-chip
pull-up resistor can be used by software.
Input/
output
Input only
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/
output
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.
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/
output
Input/
output
Port 4
8-bit input/output port
Input/output can be specified in 8-bit units.
When used as an input port, on-chip pull-up resistor can be used
by software.
Test input flag (KRIF) is set to 1 by falling edge detection.
Input
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