EFM8SB1 Datasheet, PDF (35/55 Pages) Silicon Laboratories – The EFM8SB1 highlighted features are listed below

Pin
Number
A4
Pin Name
P0.0
B1
P1.0
B2
P0.3
B3
P0.2
B4
GND
C1
P1.3
C2
P0.6
C3
P0.1
C4
VDD
D1
P1.1
D2
P1.4
D3
RSTb /
C2CK
D4
P2.7 /
C2D
Description
Multifunction I/O
Multifunction I/O
Crossbar Capability
Yes
Yes
Additional Digital
Functions
P0MAT.0
INT0.0
INT1.0
P1MAT.0
Multifunction I/O
Yes
Multifunction I/O
Yes
Ground
Multifunction I/O
Yes
P0MAT.3
EXTCLK
WAKEOUT
INT0.3
INT1.3
P0MAT.2
RTCOUT
INT0.2
INT1.2
P1MAT.3
Multifunction I/O
Yes
Multifunction I/O
Yes
Supply Power Input
Multifunction I/O
Yes
P0MAT.6
CNVSTR
INT0.6
INT1.6
P0MAT.1
INT0.1
INT1.1
P1MAT.1
Multifunction I/O
Yes
P1MAT.4
Active-low Reset /
C2 Debug Clock
Multifunction I/O /
C2 Debug Data
EFM8SB1 Data Sheet
Pin Definitions
Analog Functions
CS0.0
VREF
CMP0P.4
CS0.8
ADC0.3
CS0.3
XTAL2
ADC0.2
CS0.2
XTAL1
ADC0.11
CS0.11
ADC0.6
CS0.6
ADC0.1
CS0.1
AGND
CMP0N.4
CS0.9
ADC0.12
CS0.12
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