EFM32WG880 Datasheet, PDF (12/85 Pages) Silicon Laboratories – Operation from backup battery when main power drains out

Symbol
I_EM1
I_EM2
...the world's most energy friendly microcontrollers
Parameter
EM1 current (Pro-
duction test condi-
tion = 14 MHz)
EM2 current
Condition
Min
1.2 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
1.2 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
48 MHz HFXO, all peripheral
clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
48 MHz HFXO, all peripheral
clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
28 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
28 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
21 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
21 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
14 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
14 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
11 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
11 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
6.6 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
6.6 MHz HFRCO, all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
1.2 MHz HFRCO. all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=25°C
1.2 MHz HFRCO. all peripher-
al clocks disabled, V_DD= 3.0 V,
T_AMB=85°C
EM2 current with RTC
prescaled to 1 Hz, 32.768
kHz LFRCO, V_DD= 3.0 V,
T_AMB=25°C
Typ
Max
Unit
271
286 µA/
MHz
275
µA/
MHz
63
75 µA/
MHz
65
76 µA/
MHz
64
75 µA/
MHz
65
77 µA/
MHz
65
76 µA/
MHz
66
78 µA/
MHz
67
79 µA/
MHz
68
82 µA/
MHz
68
81 µA/
MHz
70
83 µA/
MHz
74
87 µA/
MHz
76
89 µA/
MHz
106
120 µA/
MHz
112
0.95¹
129 µA/
MHz
1.7¹ µA
2014-06-13 - EFM32WG880FXX - d0197_Rev1.40
12
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