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參數(shù)資料
| 型號： | M38023E2 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 4/51頁 |
| 文件大?。?/td> | 692K |
| 代理商： | M38023E2 |
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MITSUBISHI MICROCOMPUTERS
3802 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
4
PIN DESCRIPTION
Pin
V
CC
, V
SS
CNV
SS
V
REF
AV
SS
RESET
X
IN
X
OUT
P0
0
–P0
7
P1
0
–P1
7
P2
0
–P2
7
P3
0
/DA
1
,
P3
1
/DA
2
P3
2
–P3
7
P4
0
/INT
4
,
P4
1
/INT
0
,
P4
2
/INT
1
,
P4
3
/INT
2
P4
4
/R
X
D,
P4
5
/T
X
D,
P4
6
/S
CLK1
,
P4
7
/S
RDY1
P5
0
/S
IN2
,
P5
1
/S
OUT2
,
P5
2
/S
CLK2
,
P5
3
/S
RDY2
P5
4
/CNTR
0
,
P5
5
1
P5
6
/PWM
P5
7
/INT
3
P6
0
/AN
0
–
P6
7
/AN
7
Function
Apply voltage of 3.0 V–5.5 V to V
CC
, and 0 V to V
SS
.
(Extended operating temperature version : 4.0 V to 5.5 V)
This pin controls the operation mode of the chip.
Normally connected to V
SS
.
If this pin is connected to V
CC
, the internal ROM is inhibited and external memory is accessed.
Reference voltage input pin for A-D and D-A converters
GND input pin for A-D and D-A converters
Connect to V
SS
.
Reset input pin for active “L”
Input and output signals for the clock generating circuit.
Connect a ceramic resonator or quartz-crystal oscillator between the X
IN
and X
OUT
pins to set the
oscillation frequency.
If an external clock is used, connect the clock source to the X
IN
pin and leave the X
OUT
pin open.
The clock is used as the oscillating source of system clock.
8 bit CMOS I/O port
I/O direction register allows each pin to be individually programmed as either input or output.
At reset this port is set to input mode.
In modes other than single-chip, these pins are used as address, data, and control bus I/O pins.
CMOS compatible input level
CMOS 3-state output structure
8-bit CMOS I/O port with the same function as port P0
CMOS compatible input level
CMOS 3-state output structure
8-bit CMOS I/O port with the same function as port P0
CMOS compatible input level
CMOS 3-state output structure
8-bit CMOS I/O port with the same function as port P0
CMOS compatible input level
CMOS 3-state output structure
Function except a port function
D–A conversion output pins
External interrupt input pin
Serial I/O1 I/O pins
Serial I/O2 I/O pins
Timer X and Timer Y I/O pins
PWM output pin
External interrupt input pin
A-D conversion input pins
Name
Power source
CNV
SS
Analog reference
voltage
Analog power
source
Reset input
Clock input
Clock output
I/O port P0
I/O port P1
I/O port P2
I/O port P3
I/O port P4
I/O port P5
I/O port P6
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| M3802-BLACK-100 | 制造商:Alpha Wire 功能描述: |
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