參數(shù)資料
型號: MB90F378
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 37/65頁
文件大?。?/td> 323K
代理商: MB90F378
MB90378 Series
37
(Continued)
*1 : This parameter is based on V
SS
=
AV
SS
=
0.0 V.
*2 : Set AV
CC
and V
CC
at the same voltage. Take care so that AVR does not exceed V
CC
+
0.3 V when the power is
turned on.
*3 : V
I
and V
O
shall never exceed V
CC
+
0.3 V.
*4 : The maximum output current is a peak value for a corresponding pin.
*5 :
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 poerate 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, etc.) cannot accept
+
B signal input.
Sample recommended circuits :
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.
Pch
Nch
V
CC
R
Input/output equivalent circuits
Protective diode
Limiting
resistance
+
B input (0 V to 16 V)
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