MB96310 datasheet(47/84 Pages) FUJITSU

47 / 84 page

MB96310 Series

DS07-13808-2E

*2: VI and VO should not exceed VCC + 0.3 V. VI should also not exceed the specified ratings. However if the maximum

current to/from a input is limited by some means with external components, the ICLAMP rating supersedes the VI

rating. Input/output voltages of standard ports depend on VCC.

*3:

• Applicable to all general purpose I/O pins (Pnn_m)

• 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 reset (except devices with persistent low voltage

reset in internal vector mode).

• Sample recommended circuits:

*4: The maximum permitted power dissipation depends on the ambient temperature, the air flow velocity and the

thermal conductance of the package on the PCB.

The actual power dissipation depends on the customer application and can be calculated as follows:

PD = PIO + PINT

PIO =

Σ (VOL * IOL + VOH * IOH) (IO load power dissipation, sum is performed on all IO ports)

PINT = VCC * (ICC + IA) (internal power dissipation)

ICC is the total core current consumption into VCC as described in the “3. DC characteristics” and depends on

the selected operation mode and clock frequency and the usage of functions like Flash programming or the

clock modulator.

IA is the analog current consumption into AVCC.

*5: Worst case value for a package mounted on single layer PCB at specified TA without air flow.

*6: Please contact Fujitsu for reliability limitations when using under these conditions.

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

Protective Diode

Limiting

resistance

+B input (0V to 16V)

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