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參數(shù)資料
| 型號： | MB89567ACPFV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit Proprietary Microcontroller CMOS |
| 中文描述： | 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 15/60頁 |
| 文件大?。?/td> | 415K |
| 代理商： | MB89567ACPFV |
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MB89560A Series
15
I
HANDLING DEVICES
1.
Preventing Latchup
Latchup may occur on CMOS ICs if voltage higher than V
CC
or lower than V
SS
is applied to input and output pins
other than medium- to high-voltage pins or if higher than the voltage which shows on “1. Absolute Maximum
Ratings” in “
I
ELECTRICAL CHARACTERISTICS” is applied between V
CC
and V
SS
.
When latchup occurs, power supply current increases rapidly and might thermally damage elements. When
using, take great care not to exceed the absolute maximum ratings.
Also, take care to prevent the analog power supply (AV
CC
and AVR) and analog input from exceeding the digital
power supply (V
CC
) when the analog system power supply is turned on and off.
Treatment of Unused Input Pins
2.
Leaving unused input pins open could cause malfunctions. They should be connected to a pull-up or pull-down
resistor.
Treatment of Power Supply Pins on Microcontrollers with A/D and D/A Converters
3.
Connect to be AV
CC
= DV
CC
= V
CC
and AV
SS
= AVR = V
SS
even if the A/D and D/A converters are not in use.
Treatment of N.C. Pins
4.
Be sure to leave (internally connected) N.C. pins open.
Power Supply Voltage Fluctuations
5.
Although V
CC
power supply voltage is assured to operate within the rated range, a rapid fluctuation of the voltage
could cause malfunctions, even if it occurs within the rated range. Stabilizing voltage supplied to the IC is therefore
important. As stabilization guidelines, it is recommended to control power so that V
CC
ripple fluctuations (P-P
value) will be less than 10% of the standard V
CC
value at the commercial frequency (50 Hz to 60 Hz) and the
transient fluctuation rate will be less than 0.1 V/ms at the time of a momentary fluctuation such as when power
is switched.
Precautions when Using an External Clock
6.
Even when an external clock is used, oscillation stabilization time is required for power-on reset and wake-up
from stop mode.
Unused LCD dedicated pins
7.
When LCD dedicated pins are not in use, keep it open.
Ports shared with SEG pin
8.
When using port shared with SEG pin, be sure that the input voltage to port does not exceed the voltage of V3
(SEG driving voltage). This is particularly important to those devices with booster. When power-on or reset, SEG
pin will output an initial value of “L”.
LCD not in use
9.
When LCD is not in use, connect the V3 pin to Vcc and keep other LCD dedicated pins open.
10. Wild Register function
In MB89PV560, wild register function cannot be evaluated. To evaluate the wild register function, use MB89P568.
11. Programming operation on RAM
Program operation debugging at RAM is not possible even when using MB89PV560.
12. Note to Noise in the External Reset Pin (RST)
If the reset pulse applied to the external reset pin (RST) does not meet the specifications, it may cause malfunc-
tions. Use caution so that the reset pulse less than the specifications will not be fed to the external reset pin (RST) .
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB89567APF | 8-bit Proprietary Microcontroller CMOS |
| MB89567APFM | 8-bit Proprietary Microcontroller CMOS |
| MB89567APFV | 8-bit Proprietary Microcontroller CMOS |
| MB89560H | 8-bit Proprietary Microcontroller CMOS |
| MB89567H | 8-bit Proprietary Microcontroller CMOS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB89567APF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller CMOS |
| MB89567APFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller CMOS |
| MB89567APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller CMOS |
| MB89567H | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller CMOS |
| MB89567HC | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller CMOS |
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