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M16C/64A Group
Table 31.13
Voltage Detector 2 Electrical Characteristics
The measurement condition is V
Symbol
V
Voltage detection level Vdet2_0
det2
-
Hysteresis width at the rising of V
detector 2
-
Voltage detector 2 response time
-
Voltage detector self power consumption
t
Waiting time until voltage detector operation starts
d(E-A)
Notes:
1.
Necessary time until the voltage detector operates after setting to 1 again after setting the VC27 bit in the VCR2
register to 0.
2.
Time from when passing the V
Table 31.14
Power-On Reset Circuit
The measurement condition is V
Symbol
V
Voltage at which power-on reset enabled
por1
t
External power V
rth
t
Time necessary to enable power-on reset
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. Also, set the VDSEL1 bit to 0 (Vdet0_2).
(1)
V
det0
V
CC1
Vpor1
t
w(por)
Internal
reset signal
Note:
1.
V
indicates the voltage detection level of the voltage detection 0 circuit.
det0
Figure 31.3
Power-On Reset Circuit Electrical Characteristics
R01UH0136EJ0210 Rev.2.10
Jul 31, 2012
= 2.7 to 5.5 V, T
CC1
opr
Parameter
in voltage
CC1
(2)
until when a voltage monitor 2 reset is generated.
det2
= 2.0 to 5.5 V, T
CC1
opr
Parameter
(1)
rise gradient
CC1
t
rth
Voltage detection 0
circuit response time
1
f
OCO-S
= -20 ° C to 85 ° C/-40 ° C to 85 ° C, unless otherwise specified.
Condition
When V
is falling
CC1
When V
falls from 5
CC1
V to (Vdet2_0 - 0.1) V
VC27
1, V
=
=
CC1
(1)
= -20 ° C to 85 ° C/ -40 ° C to 85 ° C, unless otherwise specified.
Condition
× 32
31. Electrical Characteristics
Standard
Min.
Typ.
Max.
3.50
4.00
4.50
0.15
200
5.0 V
1.8
100
Standard
Min.
Typ.
Max.
0.1
2.0
50000 mV/ms
300
V
det0
t
rth
1
× 32
f
OCO-S
Page 708 of 800
Unit
V
V
μ s
μ A
μ s
Unit
V
ms
(1)
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