參數資料
型號： μPD78054
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8 Bit Single Chip Microcontrollers
中文描述： 8位單片機微控制器
文件頁數： 10/78頁
文件大?。?/td> 597K
代理商： ΜPD78054
10
μ
PD78052, 78053, 78054, 78056, 78055, 78058
Pin Name
I/O
Function
After
Reset
Dual-
Function Pin
P00
Input
Port 0
Input only
Input
INTP0/TI00
P01
Input/
output
8-bit I/O port
Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be
used by software.
Input
INTP1/TI01
P02
INTP2
P03
INTP3
P04
INTP4
P05
INTP5
P06
INTP6
P07
Note 1
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, 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, pull-up resistor can be used by software.
Input
SI1
P21
SO1
P22
SCK1
P23
STB
P24
BUSY
P25
SI0/SB0
P26
SO0/SB1
P27
SCK0
P30
Input/
output
Port 3
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
Input
TO0
P31
TO1
P32
TO2
P33
TI1
P34
TI2
P35
PCL
P36
BUZ
P37
—
P40 to P47
Input/
output
Port 4
8-bit input/output port.
Input/output can be specified in 8-bit unit.
When used as an input port, pull-up resistor can be used by software.
Test input flag (KRIF) is set to 1 by falling edge detection.
Input
AD0 to AD7
3.
PIN FUNCTIONS
3.1
Port Pins (1/2)
Notes 1.
When using the P07/XT1 pins as an input port, set 1 in the bit 6 (FRC) of the processor clock control register
(PCC). On-chip feedback resistor of the subsystem clock oscillator should not be used.
2.
When using the P10/ANI0 to P17/ANI7 pins as the A/D converter analog input pins, set port 1 to the input
mode. Use of the pull-up resistor is cancelled automatically.
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