MB95310L/370L Series
Document Number: 002-07519 Rev. *A
Page 54 of 80
18.4.4
Power-on Reset
(V
SS
= 0.0 V, T
A
=
40
C to
85
C
)
Note:
A sudden change of power supply voltage may activate the power-on reset function. When changing the power supply voltage
during the operation, set the slope of rising to a value below within 20 mV/ms as shown below.
Parameter
Symbol
Condition
Value
Unit
Remarks
Min
Max
Power supply rising time
t
R
—
—
50
ms
Power supply cutoff time
t
OFF
—
1
—
ms
Wait time until power-on
0.2 V
CC
RST
0.2 V
CC
t
RSTL
t
RSTL
0.2 V
CC
0.2 V
CC
100
μ
s
X0
Internal
operating
clock
90% of
amplitude
Oscillation
time of
oscillator
Oscillation stabilization wait time
Execute instruction
Internal reset
RST
• In normal operation
• In stop mode, subclock mode, subsleep mode, watch mode and power-on
0.2 V
0.2 V
t
OFF
t
R
1.5 V
0.2 V
V
CC
