參數(shù)資料
型號(hào): MB91F155A
廠商: Fujitsu Limited
英文描述: 32-bit Proprietary Microcontrollers
中文描述: 32位微控制器專(zhuān)有
文件頁(yè)數(shù): 89/105頁(yè)
文件大?。?/td> 989K
代理商: MB91F155A
MB91F155A/MB91155/MB91154
89
(3) Reset Input Ratings
(V
CC
=
3.15 V to 3.6 V, V
SS
=
AV
SS
=
0 V, T
A
=
0
°
C to
+
70
°
C)
Value
(4) Power On Reset
(V
CC
=
3.15 V to 3.6 V, V
SS
=
AV
SS
=
0 V, T
A
=
0
°
C to
+
70
°
C)
Value
Parameter
Symbol
Pin
name
Condition
Unit
Remarks
Min
t
CP
×
5
Max
Reset input time
t
RSTL
RST
ns
Parameter
Symbol
Pin
name
Condition
Unit
Remarks
Min
Max
Power supply rising time
f
R
V
CC
20
ms
V
CC
<
0.2 V before
turning up the power.
Power supply cutoff time
t
OFF
2
ms
RST
t
RSTL
0.2 V
CC
V
CC
t
R
0.9
×
V
CC
0.2 V
Holding RAM data.
t
OFF
V
CC
V
SS
V
CC
RST
t
RSTL
A rapid change in supply voltage might activate power on reset.
When the supply voltage needs to be varied while operating, it is recommended to minimize
fluctuations to smoothly start up the voltage.
It is recommended to keep the rising
inclination less than 50 mV/ms.
When turning on the power, start the RST pin in
“L” level state, allow as much time as for t
RSTL
after
reaching the V
CC
power supply level and then set
the pin to the H level.
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