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參數(shù)資料
| 型號： | MB91192PFF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-bit Proprietary Microcontroller |
| 中文描述： | 32-BIT, MROM, 20 MHz, RISC MICROCONTROLLER, PQFP120 |
| 封裝： | PLASTIC, LQFP-120 |
| 文件頁數(shù)： | 22/33頁 |
| 文件大?。?/td> | 435K |
| 代理商： | MB91192PFF |
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MB
91191/192 Series
22
(3) Reset Input Ratings
(V
DD
=
3.0 V
±
0.3 V, V
SS
=
AV
SS
=
0 V, T
A
=
20
°
C to
+
70
°
C)
Value
Unit
Min
Max
ns
(4) Power-On Reset
(V
DD
=
3.0 V
±
0.3 V, V
SS
=
AV
SS
=
0 V, T
A
=
20
°
C to
+
70
°
C)
Value
Unit
Min
Max
20
ms
2
ms
Parameter
Symbol
Pin Name
Remarks
Reset input time
t
RSTL
RST
5 t
CP
Paramete
Symbol
Pin Name
Remarks
Power supply rise time
t
R
V
DD
Power supply cutoff time
t
OFF
0.2 V
DD
RST
t
RSTL
V
DD
t
R
2.7 V
0.2 V
t
OFF
When turning on the power, start with
the RST pin in the "L" level state and
allow a time of t
RSTL
after reaching
the V
DD
power supply level before
changing the pin to the "H" level.
V
DD
3.0 V
2.0 V
V
SS
V
DD
RST
Maintain RAM data
t
RSTL
Recommended rate of voltage
rise is 50 mV/ms or less.
Sudden changes in the power supply voltage may cause a power-on reset.
The recommended practice if you wish to change the power supply voltage while the device is operating
is to raise the voltage smoothly.
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