EFM8UB2 Datasheet, PDF (29/50 Pages) Silicon Laboratories – The EFM8UB2 highlighted features are listed below

Pin
Number
20
Pin Name
P1.6
21
P1.5
22
P1.4
23
P1.3
24
P1.2
25
P1.1
26
P1.0
27
P0.7
28
P0.6
29
P0.5
30
P0.4
31
P0.3
Description
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Multifunction I/O
Crossbar Capability
Additional Digital
Functions
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
INT0.7
INT1.7
Yes
CNVSTR
INT0.6
INT1.6
Yes
INT0.5
INT1.5
UART0_RX
Yes
INT0.4
INT1.4
UART0_TX
Yes
EXTCLK
INT0.3
INT1.3
EFM8UB2 Data Sheet
Pin Definitions
Analog Functions
ADC0P.6
ADC0N.6
CMP1P.1
ADC0P.5
ADC0N.5
CMP0N.1
ADC0P.4
ADC0N.4
CMP0P.1
ADC0P.3
ADC0N.3
CMP1N.0
ADC0P.2
ADC0N.2
CMP1P.0
ADC0P.1
ADC0N.1
CMP0N.0
ADC0P.0
ADC0N.0
CMP0P.0
VREF
ADC0P.20
ADC0N.20
CMP1N.4
ADC0P.19
ADC0N.19
CMP1P.4
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