MB2146-301A Fujitsu Microelectronics, Inc., MB2146-301A Datasheet - Page 30

• Manufacturer Part Number: MB2146-301A
• Description: 8-bit Microcontrollers
• Manufacturer: Fujitsu Microelectronics, Inc.

30
MB95130MB Series
*1: The parameter is based on AV
*2: Apply equal potential to AV
*3: V
*4: Applicable pins: P10 to P15, PF0, PF1 (Inapplicable pins: PG1, PG2)
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
• Input/Output Equivalent circuits
current to/from an input is limited by some means with external components, the I
the V
• Use within recommended operating conditions.
• Use at DC voltage (current).
• +B signal is an input signal that exceeds V
• The value of the limiting resistance should be set so that when the + B signal is applied the input current
• Note that when the microcontroller drive current is low, such as in the power saving modes, the +B input
• Note that if the + B signal is inputted 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
resistance placed between the + B signal and the microcontroller.
to 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 V
other devices.
supply is provided from the pins, so that incomplete operation may result.
resulting power supply voltage may not be sufficient to operate the power-on reset.
+B signal input.
and V
I
rating.
O
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
should not exceed Vcc + 0.3 V. V
+ B input (0 V to 16 V)
CC
and V
SS
= V
CC
SS
.
resistance
= 0.0 V.
Limiting
I
must not exceed the rating voltage. However, if the maximum
CC
voltage. The + B signal should always be applied a limiting
Protective diode
R
Vcc
P-ch
N-ch
CLAMP
CC
rating supersedes
pin, and this affects