EFM8BB2 Datasheet, PDF (34/55 Pages) Silicon Laboratories – The EFM8BB2 highlighted features are listed below

6.2 EFM8BB2x-QSOP24 Pin Definitions
EFM8BB2 Data Sheet
Pin Definitions
P0.3 ¹
P0.2 ²
P0.1 ³
P0.0 ⁴
GND ⁵
VDD ⁶
RSTb / C2CK ⁷
P3.0 / C2D ⁸
P2.3 ⁹
P2.2 10
P2.1 ¹¹
P2.0 12
24 pin QSOP
(Top View)
24 _P0.4
23 _P0.5
22 _P0.6
21 _P0.7
20 _P1.0
19 _P1.1
18 _P1.2
17 _P1.3
16 _P1.4
15 _P1.5
14 _P1.6
13 _P1.7
Pin
Number
1
Pin Name
P0.3
2
P0.2
Figure 6.2. EFM8BB2x-QSOP24 Pinout
Table 6.2. Pin Definitions for EFM8BB2x-QSOP24
Description
Multifunction I/O
Multifunction I/O
Crossbar Capability
Additional Digital
Functions
Yes
P0MAT.3
EXTCLK
INT0.3
INT1.3
Yes
P0MAT.2
INT0.2
INT1.2
Analog Functions
ADC0.3
CMP0P.3
CMP0N.3
ADC0.2
CMP0P.2
CMP0N.2
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