mb90f378 Fujitsu Microelectronics, Inc., mb90f378 Datasheet - Page 37

• Manufacturer Part Number: mb90f378
• Description: 16-bit Proprietary Microcontroller
• Manufacturer: Fujitsu Microelectronics, Inc.

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*1 : This parameter is based on V
*2 : Set AV
*3 : V
*4 : The maximum output current is a peak value for a corresponding pin.
*5 : • Use within recommended operating conditions.
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
• Input/output equivalent circuits
turned on.
• Use at DC voltage (current).
• The +B signal should always be applied a limiting resistance placed between the +B signal and the
• The value of the limiting resistance should be set so that when the +B signal is applied the input current to
• Note that when the microcontroller drive current is low, such as in the power saving modes, the +B input
• Note that if a +B signal is input when the microcontroller power supply is off (not fixed at 0 V), the power
• Note that if the +B input is applied during power-on, the power supply is provided from the pins and the
• 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
• Sample recommended circuits :
I
microcontroller.
the microcontroller pin does not exceed rated values, either instantaneously or for prolonged periods.
potential may pass through the protective diode and increase the potential at the Vcc pin, and this may affect
other devices.
supply is provided from the pins, so that incomplete operation may result.
resulting supply voltage may not be sufficient to poerate the power-on reset.
+B signal input.
and V
CC
O
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
and V
shall never exceed V
CC
+B input (0 V to 16 V)
at the same voltage. Take care so that AVR does not exceed V
SS
CC
= AV
+ 0.3 V.
SS
resistance
= 0.0 V.
Limiting
Protective diode
R
MB90378 Series
V
CC
CC
Pch
Nch
+ 0.3 V when the power is
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