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UG237: EFM8BB2-SLSTK2021A User's Guide
Advanced Energy Monitor
8. Advanced Energy Monitor
When the EFM8BB2 Starter Kit is connected to a Silicon Labs STK, the STK's Advanced Energy Monitor (AEM) hardware also meas-
ures the slstk2021a power consumption using the VMCU connection on the EXP header. By using the [Energy Profiler] in Simplicity
Studio, current consumption and voltage can be measured in real time.
More details about AEM and its operation can be found in the STK User Guide. Note that AEM will measure the current for all circuitry
connected to VMCU, including the STK MCU and the CPT device.
8
Figure 8.1. Measuring EFM8BB2-SLSTK2021A Current Using AEM
8.1 Usage
The AEM data is collected by the board controller and can be displayed by the energyAware Profiler, available through Simplicity Stu-
dio. By using the energyAware Profiler, current consumption and voltage can be measured in realtime.
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