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参数资料
| 型号： | M38749M7T-XXXGP |
| 厂商： | Mitsubishi Electric Corporation |
| 英文描述： | DCM37PP |
| 中文描述： | 单芯片8位CMOS微机 |
| 文件页数： | 5/92页 |
| 文件大小： | 1292K |
| 代理商： | M38749M7T-XXXGP |
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5
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
V
CC
, V
SS
V
REF
PIN DESCRIPTION
Table 1 Pin description (1)
Functions
Name
Pin
Apply voltage of 3.0 V – 5.5 V to Vcc, and 0 V to Vss.
Reference voltage input pin for A-D and D-A converters.
Analog power source input pin for A-D and D-A converters.
Connect to V
SS
.
Reset input pin for active “L.”
Input and output pins 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.
When an external clock is used, connect the clock source to the X
IN
pin and leave the X
OUT
pin open.
Feedback resistor is built in between X
IN
pin and X
OUT
pin.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually programmed as either input or output.
CMOS compatible input level.
CMOS 3-state output structure.
8-bit I/O port with the same function as port P0.
CMOS compatible input level.
CMOS 3-state output structure.
Power source input
Reference voltage input
Function except a port function
Analog power source
input
Clock input
Clock output
I/O port P0
I/O port P1
I/O port P2
I/O port P3
AV
SS
RESET
Reset input
X
IN
X
OUT
P0
0
–P0
7
P1
0
–P1
7
P2
0
–P2
7
P3
0
–P3
7
Sub-clock generating circuit I/O
pins connect a resonator.
(This circuit cannot be operated by
an external clock.)
Interrupt input pins
P4
0
/X
COUT
,
P4
1
/X
CIN
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
/T
OUT
P5
1
/INT
3
–
P5
3
/INT
5
P5
4
/CNTR
0
,
P5
5
/CNTR
1
P5
6
/RTP
0
,
P5
7
/RTP
1
Serial I/O1 function pins
Timer 2 output pin
Interrupt input pins
Timer X, timer Y function pins
Real time port function pins
I/O port P4
I/O port P5
8-bit I/O port with the same function as port P0.
CMOS compatible input level.
CMOS 3-state output structure.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M38749M8D-XXXFS | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38749M8D-XXXGP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38749M8F-XXXFS | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38749M8F-XXXGP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38749M8T-XXXFS | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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