EFM8LB1 Datasheet, PDF (35/70 Pages) Silicon Laboratories – The EFM8LB1 device family are fully integrated, mixed-signal system-on-a-chip MCUs. Highlighted features are listed below

Pin
Number
29
Pin Name
P0.4
30
P0.3
31
P0.2
32
P0.1
Center
GND
Description
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Ground
Crossbar Capability
Additional Digital
Functions
Yes
P0MAT.4
INT0.4
INT1.4
UART0_TX
CLU0A.10
CLU1A.8
CLU3B.10
Yes
P0MAT.3
EXTCLK
INT0.3
INT1.3
CLU0B.9
CLU2B.9
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
EFM8LB1 Data Sheet
Pin Definitions
Analog Functions
ADC0.2
CMP0P.2
CMP0N.2
XTAL2
XTAL1
ADC0.1
CMP0P.1
CMP0N.1
ADC0.0
CMP0P.0
CMP0N.0
AGND
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