EFR32MG1 Datasheet, PDF (77/94 Pages) Silicon Laboratories – Home and Building Automation and Security

EFR32MG1 Mighty Gecko SoC with Integrated Serial Flash Data Sheet
Pin Definitions
Alternate
Functionality
I2C0_SCL
I2C0_SDA
LETIM0_OUT0
LETIM0_OUT1
LEU0_RX
LEU0_TX
LFXTAL_N
LFXTAL_P
MODEM_ANT0
MODEM_ANT1
MODEM_DCLK
MODEM_DIN
0-3
0: PA1
0: PA0
1: PA1
0: PA0
1: PA1
0: PA1
0: PA1
0: PA0
1: PA1
0: PB14
0: PB15
3: PB11
2: PB11
3: PB12
0: PA0
1: PA1
0: PA1
4-7
5: PB11
6: PB12
7: PB13
6: PB11
7: PB12
6: PB11
7: PB12
5: PB11
6: PB12
7: PB13
5: PB11
6: PB12
7: PB13
6: PB11
7: PB12
4: PB12
5: PB13
6: PB14
7: PB15
4: PB13
5: PB14
6: PB15
6: PB11
7: PB12
5: PB11
6: PB12
7: PB13
LOCATION
8 - 11 12 - 15 16 - 19 20 - 23 24 - 27 28 - 31
Description
8: PB14
9: PB15
14: PC10
15: PC11
20: PD13
21: PD14
22: PD15
23: PF0
24: PF1
25: PF2
26: PF3
31: PA0
I2C0 Serial Clock
Line input / output.
8: PB13
9: PB14
10: PB15
15: PC10
16: PC11
21: PD13
22: PD14
23: PD15
24: PF0
25: PF1
26: PF2
27: PF3
I2C0 Serial Data in-
put / output.
8: PB13
9: PB14
10: PB15
15: PC10
16: PC11
21: PD13
22: PD14
23: PD15
24: PF0
25: PF1
26: PF2
27: PF3
Low Energy Timer
LETIM0, output
channel 0.
8: PB14
9: PB15
14: PC10
15: PC11
20: PD13
21: PD14
22: PD15
23: PF0
24: PF1
25: PF2
26: PF3
31: PA0
Low Energy Timer
LETIM0, output
channel 1.
8: PB14
9: PB15
14: PC10
15: PC11
20: PD13
21: PD14
22: PD15
23: PF0
24: PF1
25: PF2
26: PF3
31: PA0
LEUART0 Receive
input.
8: PB13
9: PB14
10: PB15
15: PC10
16: PC11
21: PD13
22: PD14
23: PD15
24: PF0
25: PF1
26: PF2
27: PF3
LEUART0 Transmit
output. Also used
as receive input in
half duplex commu-
nication.
Low Frequency
Crystal (typically
32.768 kHz) nega-
tive pin. Also used
as an optional ex-
ternal clock input
pin.
Low Frequency
Crystal (typically
32.768 kHz) posi-
tive pin.
12: PC10
13: PC11
18: PD13
19: PD14
20: PD15
21: PF0
22: PF1
23: PF2
24: PF3
29: PA0
30: PA1
MODEM antenna
control output 0,
used for antenna
diversity.
11: PC10
12: PC11
17: PD13
18: PD14
19: PD15
20: PF0
21: PF1
22: PF2
23: PF3
28: PA0
29: PA1
MODEM antenna
control output 1,
used for antenna
diversity.
8: PB13
9: PB14
10: PB15
15: PC10
16: PC11
21: PD13
22: PD14
23: PD15
24: PF0
25: PF1
26: PF2
27: PF3
MODEM data clock
out.
8: PB14
9: PB15
14: PC10
15: PC11
20: PD13
21: PD14
22: PD15
23: PF0
24: PF1
25: PF2
26: PF3
31: PA0
MODEM data in.
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