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參數(shù)資料
| 型號(hào)： | μPD78P0208 |
| 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(yè)數(shù)： | 12/72頁(yè) |
| 文件大小： | 424K |
| 代理商： | ΜPD78P0208 |
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12
m
PD78P0208
2. LIST OF PIN FUNCTIONS
2.1 PINS FOR NORMAL OPERATING MODE
(1) Port pins (1/2)
Combination pin
INTP0/TI0
INTP1
INTP2
INTP3
XT1
ANI0-ANI7
SI1
SO1
SCK1
STB
BUSY
SI0/SB0
SO0/SB1
SCK0
TO0
TO1
TO2
TI1
TI2
PCL
BUZ
—
I/O
Input
I/O
Input
I/O
I/O
I/O
Reset
Input
Input
Input
Input
Input
Input
Function
Port 0.
Input only
5-bit I/O port.
Each pin can be designated as an input
or output pin separately. If used as an
input port, an on-chip pull-up resistor can
be used by software.
Input only
Port 1.
8-bit I/O port.
Each pin can be designated as an input or output pin
separately.
If used as an input port, an on-chip pull-up resistor can be
used by software.
Note 2
Port 2.
8-bit I/O port.
Each pin can be designated as an input or output pin
separately.
If used as an input port, an on-chip pull-up resistor can be
used by software.
Port 3.
8-bit I/O port.
Each pin can be designated as an input or output pin
separately.
Can directly drive LEDs.
If used as an input port, an on-chip pull-up resistor can be
used by software.
Pin name
P00
P01
P02
P03
P04
Note 1
P10-P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
Notes 1.
When using pin combination P04/XT1 as an input port, set bit 6 of the processor clock control register
(PCC) to 1 (do not use the subsystem clock oscillator circuit’s on-chip feedback resistor).
2.
When using pin combination P10/ANI0-P17/ANI7 as the analog input for the A/D converter, set input
mode for port 1. This setting disables the on-chip pull-up resistors.
#
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