EFR32FG12 Datasheet, PDF (155/183 Pages) –

Alternate
Functionality
LES_CH15
0-3
0: PA7
4-7
8 - 11
EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Pin Definitions
LOCATION
12 - 15 16 - 19
20 - 23
24 - 27
28 - 31
Description
LESENSE channel
15.
LETIM0_OUT0
LETIM0_OUT1
LEU0_RX
LEU0_TX
LFXTAL_N
LFXTAL_P
MODEM_ANT0
MODEM_ANT1
MODEM_DCLK
MODEM_DIN
MODEM_DOUT
0: PA0
1: PA1
2: PA2
3: PA3
0: PA1
1: PA2
2: PA3
3: PA4
0: PA1
1: PA2
2: PA3
3: PA4
0: PA0
1: PA1
2: PA2
3: PA3
0: PB14
0: PB15
0: PA3
1: PA4
2: PA5
3: PB11
0: PA4
1: PA5
2: PB11
3: PB12
0: PA0
1: PA1
2: PA2
3: PA3
0: PA1
1: PA2
2: PA3
3: PA4
0: PA2
1: PA3
2: PA4
3: PA5
4: PA4
5: PA5
6: PB11
7: PB12
4: PA5
5: PB11
6: PB12
7: PB13
4: PA5
5: PB11
6: PB12
7: PB13
4: PA4
5: PA5
6: PB11
7: PB12
4: PB12
5: PB13
6: PB14
7: PB15
4: PB13
5: PB14
6: PB15
7: PC6
4: PA4
5: PA5
6: PB11
7: PB12
4: PA5
5: PB11
6: PB12
7: PB13
4: PB11
5: PB12
6: PB13
7: PB14
8: PB13
9: PB14
10: PB15
11: PC6
12: PC7
13: PC8
14: PC9
15: PC10
16: PC11
17: PD9
18: PD10
19: PD11
20: PD12
21: PD13
22: PD14
23: PD15
24: PF0
25: PF1
26: PF2
27: PF3
8: PB14
9: PB15
10: PC6
11: PC7
12: PC8
13: PC9
14: PC10
15: PC11
16: PD9
17: PD10
18: PD11
19: PD12
20: PD13
21: PD14
22: PD15
23: PF0
24: PF1
25: PF2
26: PF3
27: PF4
8: PB14
9: PB15
10: PC6
11: PC7
12: PC8
13: PC9
14: PC10
15: PC11
16: PD9
17: PD10
18: PD11
19: PD12
20: PD13
21: PD14
22: PD15
23: PF0
24: PF1
25: PF2
26: PF3
27: PF4
8: PB13
9: PB14
10: PB15
11: PC6
12: PC7
13: PC8
14: PC9
15: PC10
16: PC11
17: PD9
18: PD10
19: PD11
20: PD12
21: PD13
22: PD14
23: PD15
24: PF0
25: PF1
26: PF2
27: PF3
8: PC6
9: PC7
10: PC8
11: PC9
12: PC10
13: PC11
14: PD9
15: PD10
16: PD11
17: PD12
18: PD13
19: PD14
20: PD15
21: PF0
22: PF1
23: PF2
24: PF3
25: PF4
26: PF5
27: PF6
8: PC7
9: PC8
10: PC9
11: PC10
12: PC11
13: PD9
14: PD10
15: PD11
16: PD12
17: PD13
18: PD14
19: PD15
20: PF0
21: PF1
22: PF2
23: PF3
24: PF4
25: PF5
26: PF6
27: PF7
8: PB13
9: PB14
10: PB15
11: PC6
12: PC7
13: PC8
14: PC9
15: PC10
16: PC11
17: PD9
18: PD10
19: PD11
20: PD12
21: PD13
22: PD14
23: PD15
24: PF0
25: PF1
26: PF2
27: PF3
8: PB14
9: PB15
10: PC6
11: PC7
12: PC8
13: PC9
14: PC10
15: PC11
16: PD9
17: PD10
18: PD11
19: PD12
20: PD13
21: PD14
22: PD15
23: PF0
24: PF1
25: PF2
26: PF3
27: PF4
8: PB15
9: PC6
10: PC7
11: PC8
12: PC9
13: PC10
14: PC11
15: PD9
16: PD10
17: PD11
18: PD12
19: PD13
20: PD14
21: PD15
22: PF0
23: PF1
24: PF2
25: PF3
26: PF4
27: PF5
28: PF4
29: PF5
30: PF6
31: PF7
28: PF5
29: PF6
30: PF7
31: PA0
28: PF5
29: PF6
30: PF7
31: PA0
28: PF4
29: PF5
30: PF6
31: PF7
28: PF7
29: PA0
30: PA1
31: PA2
28: PA0
29: PA1
30: PA2
31: PA3
28: PF4
29: PF5
30: PF6
31: PF7
28: PF5
29: PF6
30: PF7
31: PA0
28: PF6
29: PF7
30: PA0
31: PA1
Low Energy Timer
LETIM0, output
channel 0.
Low Energy Timer
LETIM0, output
channel 1.
LEUART0 Receive
input.
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.
MODEM antenna
control output 0,
used for antenna
diversity.
MODEM antenna
control output 1,
used for antenna
diversity.
MODEM data clock
out.
MODEM data in.
MODEM data out.
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