EFM8BB3 Datasheet, PDF (33/70 Pages) Silicon Laboratories – The EFM8BB3 device family are fully integrated, mixed-signal system-on-a-chip MCUs. Highlighted features are listed below

Pin
Number
15
Pin Name
P2.2
16
P2.1
17
P2.0
18
P1.7
19
P1.6
20
P1.5
21
P1.4
Description
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Crossbar Capability
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Additional Digital
Functions
P2MAT.2
CLU2OUT
CLU1A.15
CLU2B.14
CLU3A.14
P2MAT.1
I2C0_SCL
CLU1B.14
CLU2A.15
CLU3B.15
P2MAT.0
I2C0_SDA
CLU1A.14
CLU2A.14
CLU3B.14
P1MAT.7
CLU0B.15
CLU1B.13
CLU2A.13
P1MAT.6
CLU0A.15
CLU1B.12
CLU2A.12
P1MAT.5
CLU0B.14
CLU1A.13
CLU2B.13
CLU3B.11
P1MAT.4
CLU0A.14
CLU1A.12
CLU2B.12
CLU3B.10
EFM8BB3 Data Sheet
Pin Definitions
Analog Functions
ADC0.15
CMP1P.4
CMP1N.4
ADC0.14
CMP1P.3
CMP1N.3
CMP1P.2
CMP1N.2
ADC0.13
CMP0P.9
CMP0N.9
ADC0.12
ADC0.11
ADC0.10
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