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参数资料
| 型号： | M38227M8FP |
| 厂商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 单芯片8位CMOS微机 |
| 文件页数： | 4/78页 |
| 文件大小： | 998K |
| 代理商： | M38227M8FP |
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4
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3822 Group
MITSUBISHI MICROCOMPUTERS
PIN DESCRIPTION
Table 1 Pin description (1)
V
CC
, V
SS
Function
Pin
Name
Function except a port function
LCD segment output pins
Power source
Apply voltage of power source to V
CC
, and 0 V to V
SS
. (For the limits of V
CC
, refer to
“
Recom-
mended operating conditions
”
).
V
REF
AV
SS
RESET
X
IN
X
OUT
V
L1
–
V
L3
COM
0
–
COM
3
SEG
0
–
SEG
11
P0
0
/SEG
16
–
P0
7
/SEG
23
P1
0
/SEG
24
–
P1
7
/SEG
31
P2
0
–
P2
7
P3
4
/SEG
12
–
P3
7
/SEG
15
Analog refer-
ence voltage
Analog power
source
Reset input
Clock input
Clock output
LCD power
source
Common output
Segment output
I/O port P0
I/O port P1
I/O port P2
Reference voltage input pin for A-D converter.
GND input pin for A-D converter.
Connect to V
SS
.
Reset input pin for active
“
L
”
.
Input and output pins for the main clock generating circuit.
Feedback resistor is built in between X
IN
pin and X
OUT
pin.
Connect a ceramic resonator or a 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.
This clock is used as the oscillating source of system clock.
Input 0
≤
V
L1
≤
V
L2
≤
V
L3
≤
V
CC
voltage.
Input 0
–
V
L3
voltage to LCD.
LCD common output pins.
COM
2
and COM
3
are not used at 1/2 duty ratio.
COM
3
is not used at 1/3 duty ratio.
LCD segment output pins.
8-bit output port.
CMOS compatible input level.
CMOS 3-state output structure.
I/O direction register allows each port to be individually
programmed as either input or output.
Pull-down control is enabled.
8-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
I/O direction register allows each pin to be individually
programmed as either input or output.
Pull-up control is enabled.
4-bit input port.
CMOS compatible input level.
Pull-down control is enabled.
Key input (key-on wake-up) interrupt
input pins
LCD segment output pins
Input port P3
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相关代理商/技术参数 |
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|---|---|
| M38227RFS | 制造商:Renesas Electronics Corporation 功能描述:MCU - Trays |
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| M3823 BK002 | 制造商:Alpha Wire Company 功能描述:CBL 30COND 18AWG BLK 500' |
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| M38234G4FP#U0 | 功能描述:MCU 2/5V 16K 80-QFP QZ-ROM RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 标准包装:250 系列:80C 核心处理器:8051 芯体尺寸:8-位 速度:16MHz 连通性:EBI/EMI，I²C，UART/USART 外围设备:POR，PWM，WDT 输入/输出数:40 程序存储器容量:- 程序存储器类型:ROMless EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-LCC（J 形引线） 包装:带卷 (TR) |
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