EFM8BB2 Datasheet, PDF (39/55 Pages) Silicon Laboratories – The EFM8BB2 highlighted features are listed below

Pin
Number
16
Pin Name
P0.6
17
P0.5
18
P0.4
19
P0.3
20
P0.2
Center
GND
Description
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Ground
Crossbar Capability
Additional Digital
Functions
Yes
P0MAT.6
CNVSTR
INT0.6
INT1.6
Yes
P0MAT.5
INT0.5
INT1.5
UART0_RX
Yes
P0MAT.4
INT0.4
INT1.4
UART0_TX
Yes
P0MAT.3
EXTCLK
INT0.3
INT1.3
Yes
P0MAT.2
INT0.2
INT1.2
EFM8BB2 Data Sheet
Pin Definitions
Analog Functions
ADC0.6
CMP0P.6
CMP0N.6
ADC0.5
CMP0P.5
CMP0N.5
ADC0.4
CMP0P.4
CMP0N.4
ADC0.3
CMP0P.3
CMP0N.3
ADC0.2
CMP0P.2
CMP0N.2
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