EFM32WG890 Datasheet, PDF (15/85 Pages) Silicon Laboratories – Operation from backup battery when main power drains out

...the world's most energy friendly microcontrollers
Figure 3.5. EM1 Current consumption with all peripheral clocks disabled and HFRCO running
at 11MHz
0.78
0.78
0.76
0.74
0.72
0.70
- 40°C
- 15°C
5°C
25°C
45°C
65°C
85°C
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8
Vdd [V]
0.76
0.74
0.72
0.70
–4 0
2.0V
2.2V
2.4V
2.6V
2.8V
3.0V
3.2V
3.4V
3.6V
3.8V
–1 5
5
25
45
65
85
Tem perature [°C]
Figure 3.6. EM1 Current consumption with all peripheral clocks disabled and HFRCO running
at 6.6MHz
0.52
0.51
0.50
0.49
0.48
- 40°C
0.47
- 15°C
5°C
25°C
0.46
45°C
65°C
85°C
0.45
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8
Vdd [V]
0.52
0.51
0.50
0.49
0.48
0.47
0.46
0.45
–4 0
2.0V
2.2V
2.4V
2.6V
2.8V
3.0V
3.2V
3.4V
3.6V
3.8V
–1 5
5
25
45
65
85
Tem perature [°C]
2014-06-13 - EFM32WG890FXX - d0198_Rev1.40
15
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