MB96F348CSAPMC-GE2 datasheet(136/159 Pages) FUJITSU

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MB96300 Series

Preliminary Speciﬁcation

136

FME/EMDC- 2007-02-12

MB96300_shortspec.fm

*1: Set AVCC and VCC to the same voltage. Make sure that AVCC does not exceed VCC and that the voltage at the

analog inputs does not exceed AVCC when the power is switched on.

*2: If DVCC is powered before VCC, then SMC I/O pin state is undeﬁned. To avoid this, we recommend to always

power VCC before DVCC. It is not necessary to set VCC and DVCC to the same value.

*3: VI and VO should not exceed (D)VCC + 0.3 V. VI should not exceed the speciﬁed ratings. However if the maximun

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

rating. Input/output voltages of high current ports depend on DVCC, of other ports on VCC.

*4:

• Applicable to all general purpose I/O pins (GP00_0 to GP17_7)

• 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 persitant low voltage

reset in internal vector mode).

• When using the LCD controller, No +B signal must be applied to any LCD I/O pin (including unused

SEG/COM pins).

• 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.

P-ch

N-ch

VCC

Protective Diode

Limiting

resistance

+B input (0V to 16V)

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