參數(shù)資料
型號(hào)： MB90F395HPMT
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP120
封裝： PLASTIC, LQFP-120
文件頁數(shù)： 40/74頁
文件大?。?/td> 886K
代理商： MB90F395HPMT
MB90390 Series
45
(Continued)
*1 : The parameter is based on VSS
= AVSS = DVSS = 0.0 V.
*2 : 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.
*3 : VI and VO should not exceed VCC
+ 0.3 V. VI should 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. For ports P70 to P77, P80 to P87 and PA0 to PA7, VI and VO should not exceed DVCC
+ 0.3 V.
*4 : Applicable to pins
: P00 to P07, P10 to P17, P20 to P27, P30 to P37, P40 to P47, P50 to P57, P60 to P67,
P90 to P97, PB0 to PB7
*5 : Applicable to pins
: P70 to P77, P80 to P87, PA0 to PA7
*6 :
Applicable to pins : P00 to P07, P10 to P17, P20 to P27, P30 to P37, P40 to P47, P50 to P57, P60 to P67
P70 to P77, P80 to P87, P90 to P97, PA0 to PA7, PB0 to PB7
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-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, comparator input
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
VCC
R
Input/output equivalent circuits
+B input (0 V to 16 V)
Limiting
resistance
Protective diode
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