參數(shù)資料
型號： R5F21275SNFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP32
封裝： 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù)： 51/75頁
文件大小： 622K
代理商： R5F21275SNFP
R8C/26 Group, R8C/27 Group
5. Electrical Characteristics
Rev.2.10
Sep 26, 2008
Page 53 of 69
REJ03B0168-0210
Figure 5.21
Time delay until Suspend
NOTES:
1. The measurement condition is VCC = 2.7 to 5.5 V and Topr = -40 to 85
°C (J version) / -40 to 125°C (K version).
2. Hold Vdet2 > Vdet1.
3. Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA26 bit in the VCA2
register to 0.
4. This parameter shows the voltage detection level when the power supply drops.
The voltage detection level when the power supply rises is higher than the voltage detection level when the power supply
drops by approximately 0.1 V.
5. Time until the voltage monitor 1 reset is generated after the voltage passes Vdet1 when VCC falls. When using the digital filter,
its sampling time is added to td(Vdet1-A). When using the voltage monitor 1 reset, maintain this time until VCC = 2.0 V after the
voltage passes Vdet1 when the power supply falls.
NOTES:
1. The measurement condition is VCC = 2.7 to 5.5 V and Topr = -40 to 85
°C (J version) / -40 to 125°C (K version).
2. Hold Vdet2 > Vdet1.
3. Time until the voltage monitor 2 reset/interrupt request is generated after the voltage passes Vdet2.
4. Necessary time until the voltage detection circuit operates after setting to 1 again after setting the VCA27 bit in the VCA2
register to 0.
5. When using the digital filter, its sampling time is added to td(Vdet2-A). When using the voltage monitor 2 reset, maintain this time
until VCC = 2.0 V after the voltage passes Vdet2 when the power supply falls.
Table 5.39
Voltage Detection 1 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
Vdet1
Voltage detection level(2, 4)
2.70
2.85
3.0
V
td(Vdet1-A)
Voltage monitor 1 reset generation time(5)
40
200
s
Voltage detection circuit self power consumption
VCA26 = 1, VCC = 5.0 V
0.6
A
td(E-A)
Waiting time until voltage detection circuit operation
starts(3)
100
s
Vccmin
MCU operating voltage minimum value
2.70
V
Table 5.40
Voltage Detection 2 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
Vdet2
Voltage detection level(2)
3.3
3.6
3.9
V
td(Vdet2-A)
Voltage monitor 2 reset/interrupt request generation
time(3, 5)
40
200
s
Voltage detection circuit self power consumption
VCA27 = 1, VCC = 5.0 V
0.6
A
td(E-A)
Waiting time until voltage detection circuit operation
starts(4)
100
s
FMR46
Suspend request
(maskable interrupt request)
Fixed time
td(SR-SUS)
Clock-dependent
time
Access restart
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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