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參數(shù)資料
| 型號： | MB89945PF |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | PLASTIC, QFP-48 |
| 文件頁數(shù)： | 35/38頁 |
| 文件大小： | 380K |
| 代理商： | MB89945PF |
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MB89940 Series
6
s PIN DESCRIPTION
(Continued)
*1: FPT-48P-M16
*2: MQP-48C-P01
Pin no.
Pin name
Circuit
type
Function
QFP*1
MQFP*2
5
X0
A
Pin for connecting the crystal resonator.
X0 and X1 can be directly connected to a crystal
oscillator.
When the oscillation clock is provided to X0
externally, X1 should be left open.
66
X1
48
MODE
B
The mode input is used for entering the MPU into the
test mode.
In user applications, MODE is connected to VSS.
22
RST
C
Applying a reset pulse to this pin forces the MPU to
enter the initial state. RST is active low and drives
low state when an internal reset occurs.
Reset pulses of the duration less than the minimum
pulse width may cause the MCU to enter undefined
states.
34 to 27
P00/SEG00 to
P07/SEG07
H
These pins have two functions.
Their functions can be switched between Port 0 and
LCD segment signal outputs by setting the internal
registers of the LCD controller.
26 to 20,
18
26 to 20,
18
P10/SEG08 to
P17/SEG15
J
These pins have two functions.
Their functions can be switched between Port 1 and
LCD segment signal outputs by setting the internal
registers of the LCD controller.
17
P20/SEG16
I
This pin can be used as the bit 0 of Port 2 or an LCD
segment signal output by setting the internal register
of the LCD controller.
16
P21/V0
F
This pin is the bit 1 of Port 2.
This pin can also be used for an external LCD bias
voltage input.
15
P22/EC/V1
F
This pin can be used as the bit 2 of Port 2 or the
external clock input for the interval timer.
This pin can also be used for an external LCD bias
voltage input.
14
P23/TO/V2
F
This pin can be used as the bit 3 of Port 2 or the
output for the interval timer.
Its function can be switched by setting the internal
register of the interval timer.
This pin can also be used for an external LCD bias
voltage input.
13
P24/V3
F
This pin can be used as the bit 4 of Port 2 or an
external LCD bias voltage input.
12, 11, 10
P25/INT0 to
P27/INT2
E
These pins are used for Port 2.
They can also be used for external interrupt inputs.
35
P30/FUELO
D
This pin can be used for the bit 0 of Port 3 or the
output from PWM3.
The function of this pin can be switched by setting
the internal register of PWM3.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB8994X | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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| MB89951PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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