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R8C/35M Group
5. Electrical Characteristics
R01DS0021EJ0100 Rev.1.00
Jun 20, 2011
Notes:
1.
The measurement condition is VCC = 1.8 V to 5.5 V and Topr =
20 to 85°C (N version) / 40 to 85°C (D version).
2.
Select the voltage detection level with bits VDSEL0 and VDSEL1 in the OFS register.
3.
Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA25 bit in the VCA2
register to 0.
4.
Time until the voltage monitor 0 reset is generated after the voltage passes Vdet0.
Notes:
1.
The measurement condition is VCC = 1.8 V to 5.5 V and Topr =
20 to 85°C (N version) / 40 to 85°C (D version).
2.
Select the voltage detection level with bits VD1S0 to VD1S3 in the VD1LS register.
3.
Time until the voltage monitor 1 interrupt request is generated after the voltage passes Vdet1.
4.
Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA26 bit in the VCA2
register to 0.
Table 5.9
Voltage Detection 0 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
Vdet0
Voltage detection level Vdet0_0
(2)1.80
1.90
2.05
V
Voltage detection level Vdet0_1
(2)2.15
2.35
2.50
V
Voltage detection level Vdet0_2
(2)2.70
2.85
3.05
V
Voltage detection level Vdet0_3
(2)3.55
3.80
4.05
V
Voltage detection 0 circuit response time
(4)At the falling of VCC from 5 V
to (Vdet0_0
0.1) V
6
150
s
Voltage detection circuit self power consumption
VCA25 = 1, VCC = 5.0 V
1.5
A
td(E-A)
Waiting time until voltage detection circuit
100
s
Table 5.10
Voltage Detection 1 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
Vdet1
Voltage detection level Vdet1_0
(2)At the falling of VCC
2.00
2.20
2.40
V
Voltage detection level Vdet1_1
(2)At the falling of VCC
2.15
2.35
2.55
V
Voltage detection level Vdet1_2
(2)At the falling of VCC
2.30
2.50
2.70
V
Voltage detection level Vdet1_3
(2)At the falling of VCC
2.45
2.65
2.85
V
Voltage detection level Vdet1_4
(2)At the falling of VCC
2.60
2.80
3.00
V
Voltage detection level Vdet1_5
(2)At the falling of VCC
2.75
2.95
3.15
V
Voltage detection level Vdet1_6
(2)At the falling of VCC
2.85
3.10
3.40
V
Voltage detection level Vdet1_7
(2)At the falling of VCC
3.00
3.25
3.55
V
Voltage detection level Vdet1_8
(2)At the falling of VCC
3.15
3.40
3.70
V
Voltage detection level Vdet1_9
(2)At the falling of VCC
3.30
3.55
3.85
V
Voltage detection level Vdet1_A
(2)At the falling of VCC
3.45
3.70
4.00
V
Voltage detection level Vdet1_B
(2)At the falling of VCC
3.60
3.85
4.15
V
Voltage detection level Vdet1_C
(2)At the falling of VCC
3.75
4.00
4.30
V
Voltage detection level Vdet1_D
(2)At the falling of VCC
3.90
4.15
4.45
V
Voltage detection level Vdet1_E
(2)At the falling of VCC
4.05
4.30
4.60
V
Voltage detection level Vdet1_F
(2)At the falling of VCC
4.20
4.45
4.75
V
Hysteresis width at the rising of Vcc in voltage
detection 1 circuit
Vdet1_0 to Vdet1_5
selected
0.07
V
Vdet1_6 to Vdet1_F
selected
0.10
V
Voltage detection 1 circuit response time
(3)At the falling of VCC from
5 V to (Vdet1_0
0.1) V
60
150
s
Voltage detection circuit self power consumption
VCA26 = 1, VCC = 5.0 V
1.7
A
td(E-A)
Waiting time until voltage detection circuit operation
100
s