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2.2 LGA Module Pin Definitions
The signals and all the related details are listed in the below table.
Pin No. Name
Description
13
GND
Ground
14
GND
Ground
15
Main antenna
Main antenna port
16
GND
Ground
17
GND
Ground
18
GND
Ground
19
GND
Ground
20
GND
Ground
21
RF_GNSS
Antenna for a GNSS receiver
22
GND
Ground
23
GND
Ground
24
GND
Ground
37
Power
Power
38
Power
Power
39
Power
Power
40
Power
Power
41
Power
Power
42
Power
Power
43
PMU_VBACKUP
Power Input for Real Time Clock
44
GND
Ground
45
GND
Ground
46
PCM_FS/GPIO46 General purpose input/output
47
PCM_IN/GPIO47 General purpose input/output
48
PCM_OUT/GPIO48 General purpose input/output
49
PCM_CLK/GPIO49 General purpose input/output
50
GND
Ground
51
GND
Ground
52
I2C1_SCL/GPIO01 General purpose input/output
53
I2C1_SDA/GPIO02 General purpose input/output
86
USB_Dp
USB Data Positive
87
VBUS
VBUS (3.3V)
