EFM8UB2 Datasheet, PDF (26/50 Pages) Silicon Laboratories – The EFM8UB2 highlighted features are listed below

Pin
Number
47
Pin Name
P0.7
48
P0.6
Description
Multifunction I/O
Multifunction I/O
Crossbar Capability
Additional Digital
Functions
Yes
XTAL2
EXTCLK
INT0.7
INT1.7
Yes
XTAL1
INT0.6
INT1.6
EFM8UB2 Data Sheet
Pin Definitions
Analog Functions
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