MB2146-301A Fujitsu Microelectronics, Inc., MB2146-301A Datasheet - Page 42

• Manufacturer Part Number: MB2146-301A
• Description: 8-bit Microcontrollers
• Manufacturer: Fujitsu Microelectronics, Inc.

42
MB95130MB Series
(4) Power-on Reset
Note : Complete the power-on process within the selected oscillation stabilization wait time.
Note : Sudden change of power supply voltage may activate the power-on reset function. When changing power
Power supply rising time
Power supply cutoff time
supply voltages during operation, set the slope of rising within 30 mV/ms as shown below.
Parameter
V
2.3 V
V
V
CC
CC
SS
Symbol
t
OFF
t
R
name
0.2 V
Hold Condition in stop mode
Pin
V
2.5 V
t
R
CC
Condition
⎯
⎯
0.2 V
t
OFF
Min
⎯
1
(AV
0.2 V
Value
SS
Limiting the slope of rising within
30 mV/ms is recommended.
= V
Max
SS
50
⎯
= 0.0 V, T
Unit
ms
ms
A
= − 40 °C to + 85 °C)
Waiting time until
power-on
Remarks