EFM32HG322 Datasheet, PDF (17/70 Pages) Silicon Laboratories – Output state retention and wake-up from Shutoff Mode

Preliminary
3.4.5 EM4 Current Consumption
Figure 3.13. EM4 current consumption.
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0.5
- 40.0°C
- 15.0°C
0.4
5.0°C
25.0°C
45.0°C
65.0°C
0.3
85.0°C
0.2
0.1
0.0
–0 . 1
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8
Vdd [V]
0.5
Vdd= 2.0V
Vdd= 2.2V
0.4
Vdd= 2.4V
Vdd= 2.6V
Vdd= 2.8V
Vdd= 3.0V
0.3
Vdd= 3.2V
Vdd= 3.4V
Vdd= 3.6V
0.2
Vdd= 3.8V
0.1
0.0
–0 . 1
–4 0
–1 5
5
25
45
65
85
Tem perature [°C]
3.5 Transition between Energy Modes
The transition times are measured from the trigger to the first clock edge in the CPU.
Table 3.4. Energy Modes Transitions
Symbol
t_EM10
Parameter
Transition time from EM1 to EM0
t_EM20
t_EM30
t_EM40
Transition time from EM2 to EM0
Transition time from EM3 to EM0
Transition time from EM4 to EM0
Min
Typ
Max
Unit
0
HF-
CORE-
CLK
cycles
2
µs
2
µs
163
µs
3.6 Power Management
The EFM32HG requires the AVDD_x, VDD_DREG and IOVDD_x pins to be connected together (with
optional filter) at the PCB level. For practical schematic recommendations, please see the application
note, "AN0002 EFM32 Hardware Design Considerations".
2015-05-06 - EFM32HG322FXX - _Rev0.91
17
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