EFM8LB1 Datasheet, PDF (29/70 Pages) Silicon Laboratories – The EFM8LB1 device family are fully integrated, mixed-signal system-on-a-chip MCUs. Highlighted features are listed below

5. Typical Connection Diagrams
EFM8LB1 Data Sheet
Typical Connection Diagrams
5.1 Power
Figure 5.1 Power Connection Diagram on page 28 shows a typical connection diagram for the power pins of the device.
1.8 - VDD V
4.7 µF and 0.1 µF bypass
capacitors required for
each power pin placed as
close to the pins as
possible.
2.2 - 3.6 V
EFM8LB1 Device
VIO
VDD
GND
Figure 5.1. Power Connection Diagram
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Preliminary Rev. 0.4 | 28