參數(shù)資料
型號(hào)： MB89PV930ACF
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 10 MHz, MICROCONTROLLER, CQFP48
封裝： CERAMIC, MQFP-48
文件頁(yè)數(shù)： 3/41頁(yè)
文件大?。?/td> 593K
代理商： MB89PV930ACF
MB89930A Series
11
s HANDLING DEVICES
1.
Preventing Latchup
Latchup may occur on CMOS ICs if voltage higher than VCC or lower than VSS is applied to input and output pins
other than medium- and high-voltage pins or if higher than the voltage which shows on “1. Absolute Maximum
Ratings” in section “s ELECTRICAL CHARACTERISTICS” is applied between VCC and VSS.
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 input from exceeding the digital power supply (VCC) when the analog system
power supply is turned on and off.
2.
Treatment of Unused Input Pins
Leaving unused input pins open could cause malfunctions. They should be connected to a pull-up or pull-down
resistor of at least 2 kilohms between the pin and the power supply.
3.
Treatment of N.C. Pins
Be sure to leave (internally connected) N.C. pins open.
4. Power Supply Voltage Fluctuations
Although VCC 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 VCC ripple fluctuations (P-P
value) will be less than 10% of the standard VCC value at the commercial frequency (50 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.
5. Treatment of Power Supply Pins on Microcontrollers with A/D Converters
Connect to be AVSS = VSS even if the A/D converters are not in use.
6. Precautions when Using an External Clock
When an external clock is used, oscillation stabilization time is required even for power-on reset (optional) and
wake-up from stop mode.
7. About the Wild Register Function
No wild register can be debugged on the MB89PV930A. For the operation check, test the MB89P935A installed
on a target system.
8. Program Execution in RAM
When the MB89PV930A is used, no program can be executed in RAM.
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相關(guān)代理商/技術(shù)參數(shù)
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MB89PV930ACFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
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MB89PV950 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89PV950CF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
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