EFM8SB2 Datasheet, PDF (29/49 Pages) Silicon Laboratories – The EFM8SB2 highlighted features are listed below

Pin
Number
6
7
8
9
10
Pin Name
RSTb /
C2CK
P2.7 /
C2D
XTAL4
XTAL3
P1.6
11
P1.5
12
P1.4
13
P1.3
14
P1.2
15
P1.1
16
P1.0
17
P0.7
18
P0.6
Description
Active-low Reset /
C2 Debug Clock
Multifunction I/O /
C2 Debug Data
RTC Crystal
RTC Crystal
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
EFM8SB2 Data Sheet
Pin Definitions
Analog Functions
XTAL4
XTAL3
Yes
ADC0.14
CMP0P.7
CMP1P.7
Yes
P1MAT.5
ADC0.13
CMP0N.6
CMP1N.6
Yes
P1MAT.4
ADC0.12
CMP0P.6
CMP1P.6
Yes
P1MAT.3
ADC0.11
SPI1_NSS
CMP0N.5
CMP1N.5
Yes
P1MAT.2
ADC0.10
SPI1_MOSI
CMP0P.5
CMP1P.5
Yes
P1MAT.1
ADC0.9
SPI1_MISO
CMP0N.4
CMP1N.4
Yes
P1MAT.0
ADC0.8
SPI1_SCK
CMP0P.4
CMP1P.4
Yes
P0MAT.7
ADC0.7
INT0.7
IREF0
INT1.7
CMP0N.3
CMP1N.3
Yes
P0MAT.6
ADC0.6
CNVSTR
CMP0P.3
INT0.6
CMP1P.3
INT1.6
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