Pin Name
Pin(s)
Description
Pin Name
Pin(s)
Description
PA00
11
GPIO
PA01
12
GPIO
PA02
13
GPIO
DECOUPLE
14
Decouple output for on-chip voltage
regulator. This pin is internally decou-
pled, and should be left disconnected.
PA03
15
GPIO
PA04
16
GPIO
PA05
17
GPIO
PA06
18
GPIO
PA07
19
GPIO
PA08
20
GPIO
VREG
21
Regulated supply voltage. This pin is in-
ternally connected to the SoC DVDD,
RFVDD, and PAVDD supply lines. It is
not intended to power external circuitry.
VREGVDD
22
Module input power supply. This pin is
internally connected to the SoC AVDD
and VREGVDD supply lines.
IOVDD
23
I/O power supply
PD03
24
GPIO
PD02
25
GPIO
PD01
26
GPIO
PD00
27
GPIO
PC00
28
GPIO
PC01
29
GPIO
PC02
30
GPIO
PC03
31
GPIO
PC04
32
GPIO
PC05
33
GPIO
PC06
34
GPIO
RESETn
35
Reset Pin. The RESETn pin is internally
pulled up to VREG (DVDD).
GND
36
Ground
NC
37
Do not connect
NC
38
Do not connect
NC
39
Do not connect
ANT_OUT
40
Antenna Out
GND
41
Ground
GND
42
Ground
GND
43
Ground
GND
44
Ground
BGM220S Wireless Gecko Bluetooth
®
Module Data Sheet
Pin Definitions
silabs.com
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