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參數(shù)資料
| 型號： | M34551E8 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 4/68頁 |
| 文件大?。?/td> | 698K |
| 代理商： | M34551E8 |
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4
MITSUBISHI MICROCOMPUTERS
4551 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for
INFRARED REMOTE CONTROL TRANSMITTER
PIN DESCRIPTION
Pin
V
DD
V
SS
CNV
SS
RESET
Name
Power supply
Ground
CNV
SS
Reset input
Main clock input
Main clock output
Output port D
Output port D
Output port D
Output port D
I/O port P0
I/O port P1
Input port P2
Carrier wave output
for remote control
Segment output
Common output
X
IN
X
OUT
D
0
–D
4
D
5
/INT
D
6
/X
CIN
D
7
/X
COUT
P0
0
–P0
3
P1
0
–P1
3
P2
0
/SEG
16
–
P2
3
/SEG
19
CARR
SEG
0
–
SEG
15
COM
0
–
COM
3
Input/Output
—
—
Input
I/O
Input
Output
Output
I/O
I/O
Output
I/O
I/O
I/O
Output
Output
Output
Function
Connected to a plus power supply.
Connected to a 0 V power supply.
Connect CNV
SS
to V
SS
and apply “L” (0V) to CNV
SS
certainly.
An N-channel open-drain I/O pin for a system reset. A pull-up resistor is built-in
this pin. When the watchdog timer causes the system to be reset or the low-
supply voltage is detected, the
RESET
pin outputs “L” level.
I/O pins of the main clock generating circuit. A ceramic resonator can be connected
between X
IN
pin and X
OUT
pin. A feedback resistor is built-in between them.
Each pin of port D has an independent 1-bit wide output function. The output
structure is N-channel open-drain.
1-bit output port. Port D
5
is also used as an INT input pin. When D
5
/INT pin is
used as the INT input pin, set the output latch to “1.” The output structure is N-
channel open-drain.
Each pin of port D has an independent 1-bit output function. Ports D
6
and D
7
are
also used as pins X
CIN
and X
COUT
for the sub-clock generating circuit, respectively.
When pins D
6
/X
CIN
and D
7
/X
COUT
are used as the pins for the sub-clock generating
circuit, a 32.0 kHz quartz-crystal oscillator can be connected between X
CIN
pin
and X
COUT
pin. A feedback resistor is built-in between them.
4-bit I/O port. It can be used as an input port when the output latch is set to “1.”
The output structure is N-channel open-drain. Every pin of the ports has a key-on
wakeup function and a pull-up function.
4-bit I/O port. It can be used as an input port when the output latch is set to “1.”
The output structure is N-channel open-drain. Every pin of the ports has a key-on
wakeup function and a pull-up function. Both functions can be switched by software.
4-bit input port. Ports P2
0
–P2
3
are also used as the segment output pins SEG
16
–
SEG
19
, respectively.
Carrier wave output pin for remote control transmit. The output structure is the
CMOS circuit.
LCD segment output pins.
LCD common output pins. Pins COM
0
and COM
1
are used at 1/2 duty, pins COM
0
–
COM
2
are used at 1/3 duty and pins COM
0
–COM
3
are used at 1/4 duty.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M34551E8-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTER |
| M34551M4 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:4-BIT SINGLE-CHIP MICROCOMPUTER |
| M34551M4-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTER |
| M34551M8 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:4-BIT SINGLE-CHIP MICROCOMPUTER |
| M34552G8FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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