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)： 20/52頁(yè)
文件大?。?/td> 1370K
代理商： MB90F897YPMT
MB90895 Series
DS07-13731-5E
27
(Continued)
*3 : VI and VO should not exceed Vcc + 0.3 V. However, if the maximum current to/from an input is limited by some
means with external components, the ICLAMP rating supersedes the VI rating.
*4 : A peak value of an applicable one pin is specified as a maximum output current.
*5 : An average current value of an applicable one pin within 100 ms is specified as an average output current.
(Average value is found by multiplying operating current by operating rate.)
*6 : An average current value of all pins within 100 ms is specified as an average total output current. (Average
value is found by multiplying operating current by operating rate.)
*7 :
Applicable to pins: P10 to P17, P20 to P27, P30 to P33, P35, P36, P37, P40 to P44, P50 to P57
Note: P35 and P36 are MB90F897S/YS only.
Use within recommended operating conditions.
Use at DC voltage (current) .
The +B signal should always be applied a limiting resistance placed between the +B signal and the
microcontroller.
The value of the limiting resistance should be set so that when the +B signal is applied the input current to the
microcontroller pin does not exceed rated values, either instantaneously or for prolonged periods.
Note that when the microcontroller drive current is low, such as in the power saving modes, the +B input potential
may pass through the protective diode and increase the potential at the VCC pin, and this may affect other
devices.
Note that if a +B signal is input when the microcontroller power supply is off (not fixed at 0 V) , the power supply is
provided from the pins, so that incomplete operation may result.
Note that if the +B input is applied during power-on, the power supply is provided from the pins and the
resulting supply voltage may not be sufficient to operate the power-on reset.
Care must be taken not to leave the +B input pin open.
Note that analog system input/output pins other than the A/D input pins (LCD drive pins, comparator input
pins, etc.) cannot accept
+B signal input.
Sample recommended circuits:
*8 : Users considering application exceeding TA = +105
°C are advised to contact their FUJITSU MICROELEC-
TRONICS representatives beforehand for reliability limitations.
*9 : Use the PB circuit board which has 4 or more layers.
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
P-ch
N-ch
VCC
R
Input/Output Equivalent circuits
+B input (0 V to 16 V)
Limiting
resistance
Protective diode
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