EFM8BB3 Datasheet, PDF (40/70 Pages) Silicon Laboratories – The EFM8BB3 device family are fully integrated, mixed-signal system-on-a-chip MCUs. Highlighted features are listed below

Pin
Number
30
Pin Name
P0.3
31
P0.2
32
P0.1
Description
Multifunction I/O
Multifunction I/O
Multifunction I/O
Crossbar Capability
Additional Digital
Functions
Yes
P0MAT.3
EXTCLK
INT0.3
INT1.3
CLU0B.9
CLU2B.10
CLU3A.9
Yes
P0MAT.2
INT0.2
INT1.2
CLU0OUT
CLU0A.9
CLU2B.8
CLU3A.8
Yes
P0MAT.1
INT0.1
INT1.1
CLU0B.8
CLU2A.9
CLU3B.9
EFM8BB3 Data Sheet
Pin Definitions
Analog Functions
XTAL2
XTAL1
ADC0.1
CMP0P.1
CMP0N.1
ADC0.0
CMP0P.0
CMP0N.0
AGND
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