EFM32WG842 Datasheet, PDF (23/78 Pages) Silicon Laboratories – Operation from backup battery when main power drains out

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Figure 3.13. Typical Low-Level Output Current, 3V Supply Voltage
0.5
10
0.4
8
0.3
6
0.2
4
0.1
0.0
0.0
0.5
1.0
1.5
2.0
Low- Level Output Voltage [V]
- 40°C
25°C
85°C
2.5
3.0
GPIO_Px_CTRL DRIVEMODE = LOWEST
2
- 40°C
25°C
85°C
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Low- Level Output Voltage [V]
GPIO_Px_CTRL DRIVEMODE = LOW
40
35
30
25
20
15
10
5
- 40°C
25°C
85°C
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Low- Level Output Voltage [V]
GPIO_Px_CTRL DRIVEMODE = STANDARD
50
40
30
20
10
0
0.0
0.5
1.0
1.5
2.0
Low- Level Output Voltage [V]
- 40°C
25°C
85°C
2.5
3.0
GPIO_Px_CTRL DRIVEMODE = HIGH
2014-06-13 - EFM32WG842FXX - d0196_Rev1.40
23
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