參數(shù)資料
型號(hào)： MB90F897YPMT
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48
封裝： 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁(yè)數(shù)： 4/52頁(yè)
文件大?。?/td> 1370K
代理商： MB90F897YPMT
MB90895 Series
12
DS07-13731-5E
Caution on Operations during PLL Clock Mode
If the PLL clock mode is selected, the microcontroller attempt to be working with the self-oscillating circuit even
when there is no external oscillator or external clock input is stopped. Performance of this operation, however,
cannot be guaranteed.
Sequence of Turning on Power of A/D Converter and Applying Analog Input
Be sure to turn on digital power (Vcc) before applying signals to the A/D converter and applying analog input
signals (AN0 to AN7 pins).
Be sure to turn off the power of A/D converter and analog input before turning off the digital power supply.
Be sure not to apply AVR exceeding AVcc when turning on and off. (No problems occur if analog and digital
power is turned on and off simultaneously.)
Handling Pins When A/D Converter is Not Used
If the A/D converter is not used, connect the pins under the following conditions: “AVcc=AVR=Vcc,” and
“AVss=Vss”.
Note on Turning on Power
For preventing malfunctions on built-in step-down circuit, maintain a minimum of 50
μs of voltage rising time
(between 0.2 V and 2.7 V) when turning on the power.
Stabilization of supply voltage
A sudden change in the supply voltage may cause the device to malfunction even within the specified VCC
supply voltage operating range. Therefore, the VCC supply voltage should be stabilized.
For reference, the supply voltage should be controlled so that VCC ripple variations (peak-to-peak values) at
commercial frequencies (50 / 60Hz) fall below 10
% of the standard VCC supply voltage and the coefficient of
fluctuation does not exceed 0.1 V/ms at instantaneous power switching.
Support for +125°C / +150°C
Users considering application exceeding TA = +105
°C are advised to contact their representatives beforehand
for reliability limitations.
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