Preliminary
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3.4.5 EM4 Current Consumption
Figure 3.13. EM4 current consumption.
0.5
0.5
- 40.0°C
Vdd= 2.0V
- 15.0°C
Vdd= 2.2V
5.0°C
Vdd= 2.4V
0.4
0.4
25.0°C
45.0°C
65.0°C
Vdd= 2.6V
Vdd= 2.8V
Vdd= 3.0V
0.3
0.3
85.0°C
Vdd= 3.2V
Vdd= 3.4V
Vdd= 3.6V
0.2
0.1
0.2
0.1
Vdd= 3.8V
0.0
0.0
–0.1
–0.1
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
–40
–15
5
25
45
65
85
Vdd [V]
Temperature [°C]
3.5 Transition between Energy Modes
Table 3.4. Energy Modes Transitions
Symbol
Parameter
Min
Typ
Max
Unit
tEM10
Transition time from EM1 to EM0
01
HF
core
CLK
cycles
tEM20
tEM30
tEM40
Transition time from EM2 to EM0
Transition time from EM3 to EM0
Transition time from EM4 to EM0
2
2
µs
µs
µs
163
1Core wakeup time only.
3.6 Power Management
The EFM32ZG 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".
www.silabs.com
2013-10-09 - EFM32ZG108FXX - d0063_Rev0.60
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SILICONIMAGE [ Silicon image ]
