M16C6C Datasheet, PDF (54/94 Pages) Renesas Technology Corp – RENESAS MCU

M16C/6C Group
5. Electrical Characteristics
5.1.7 Voltage Detection Circuit and Power Supply Circuit Electrical
Characteristics
Table 5.12 Voltage Detection 0 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min. Typ. Max.
V_det0
Voltage detection level Vdet0_0 ⁽²⁾
1.60 1.90 2.20
V
Voltage detection level Vdet0_2 ⁽²⁾
2.70 2.85 3.15
V
-
Voltage detection 0 circuit response time⁽⁴⁾
At the falling of V_CC from 5 V
-
-
200 μs
to (Vdet 0_0 - 0.1)V
-
Voltage detection circuit self power consumption VC25 = 1, V_CC1 = 5.0 V
1.5
μA
t_d(E-A)
Waiting time until voltage detection circuit
operation starts ⁽³⁾
100 μs
Notes:
1.
2.
3.
4.
The measurement condition is T_opr = −20 to 85°C/−40 to 85°C.
Select the voltage detection level with the VDSEL1 bit in the OFS1 address.
Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VC25 bit in the VCR2
register to 0.
Necessary time until the voltage monitor 0 reset generates after passing through V_det0.
Table 5.13 Voltage Detection 1 Circuit Electrical Characteristics
Symbol
Parameter
Condition
V_det1
Voltage detection level Vdet1
When V_CC is falling
Standard
Unit
Min. Typ. Max.
2.95 3.25 3.55
V
-
-
-
t_d(E-A)
Hysteresis width at the rising of V_CC of Voltage
detection 1 circuit
-
0.15
-
V
Voltage detection 1 circuit response time⁽²⁾
At the falling of V_CC from
-
5 V to (Vdet 1 - 0.1)V
-
200 μs
Voltage detection circuit self power consumption
VC26 = 1, V_CC1 = 5.0 V
1.7
μA
Waiting time until voltage detection circuit operation
starts ⁽³⁾
100 μs
Notes:
1.
2.
3.
The measurement condition is T_opr = −20 to 85°C/−40 to 85°C.
Necessary time until the voltage monitor 1 interrupt request generates after passing through V_det1.
Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VC26 bit in the VCR2
register to 0.
Table 5.14 Voltage Detection 2 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min. Typ. Max.
V_det2
Voltage detection level Vdet2
When V_CC is falling
3.70 4.00 4.30
V
-
Hysteresis width at the rising of V_CC in voltage detection
2 circuit
-
0.15
-
V
-
Voltage detection 2 circuit response time⁽²⁾
At the falling of V_CC from
-
5 V to (Vdet 2 - 0.1)V
-
200 μs
-
Voltage detection circuit self power consumption
VC27 = 1, V_CC1 = 5.0 V
1.7
μA
t_d(E-A)
Waiting time until voltage detection circuit operation
starts ⁽²⁾
100 μs
Notes:
1.
2.
3.
The measurement condition is T_opr = −20 to 85°C/−40 to 85°C.
Necessary time until the voltage monitor 2 interrupt request generates after passing through V_det2
Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VC27 bit in the VCR2
register to 0.
REJ03B0277-0100 Rev.1.00 Jul.15, 2009
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