參數(shù)資料
型號: MB90925
廠商: Fujitsu Limited
英文描述: 16-bit Microcontrolle
中文描述: 16位Microcontrolle
文件頁數(shù): 44/63頁
文件大?。?/td> 941K
代理商: MB90925
MB90925 Series
44
(3) Power-on reset
(V
SS
=
0.0 V, T
A
=
40
°
C to
+
105
°
C)
Note : Extreme variations in power supply voltage may activate a power-on reset. As the illustration below shows,
when varying power supply voltage during operation, the use of a smooth voltage rise with suppressed
fluctuation is recommended. Also in this situation, the PLL clock on the device should not be used, however
it is permissible to use the PLL clock during a voltage drop of 1V/s or less.
Parameter
Symbol
Pin
name
Conditions
Value
Unit
Remarks
Min
Max
Power supply rise time
t
R
V
CC
0.05
2.7
30
ms
Power supply start voltage
V
OFF
0.2
V
Power supply attained voltage
V
ON
V
Power supply cutoff time
t
OFF
50
ms
Waiting time until
power-on
V
CC
t
R
t
OFF
2.7 V
0.2 V
0.2 V
0.2 V
0 V
V
CC
V
SS
5.0 V
3.0 V
RAM data hold
A rise slope of 50 mV/ms or
less is recommended
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