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M16C/5L Group, M16C/56 Group
Table 27.10
Power-On Reset Circuit
The measurement condition is T
Symbol
t
External power V
rth
t
External power V
fth
V
Voltage at which power-on reset enabled
por
t
Hold time at which power-on reset enabled
w(por)
Note:
1.
To use the power-on reset function, enable voltage monitor 0 reset by setting the LVDAS bit in the OFS1 address
to 0.
V
det0
External Power V
CC
Vpor
Internal
reset signal
Figure 27.4
Power-On Reset Circuit Electrical Characteristics
Table 27.11
Power Supply Circuit Timing Characteristics
Symbol
Time for internal power supply stabilization
t
d(P-R)
during powering-on
t
STOP release time
d(R-S)
t
Low power mode wait mode release time
d(W-S)
Note:
1.
When V
= 5 V.
CC
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
= -40 ° C to 85 ° C, unless otherwise specified.
opr
Parameter
rise gradient
CC
fall gradient
CC
t
rth
t
w(por)
f
OCO-S
Parameter
Condition
(1)
t
fth
1
× 128
Measuring Condition
VCC = 3.0 V to 5.5V
27. Electrical Characteristics
J-Version
Standard
Unit
Min.
Typ.
Max.
2.0
50000 mV/ms
50000 mV/ms
0.1
1.0
V
det0
t
rth
1
× 128
f
OCO-S
Standard
Unit
Min.
Typ.
Max.
5
300
300
Page 710 of 803
V
ms
ms
μs
μs
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