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FIBOCOM NL668-LA Series Hardware Guide
Page 17 of 61
Pin No.
Pin Name
I/O Level
Description
33
SDC2_CMD
IO
-
Reserved
34
VREG_L13_2P85
PO -
Reserved
35
ANT_DIV
I
-
Diversity antenna
36
GND
-
-
Ground
37
SPI_CS_N
O
-
Reserved
38
SPI_MOSI
O
-
Reserved
39
SPI_MISO
I
-
Reserved
40
SPI_CLK
O
-
Reserved
41
I2C_SCL
OD -
I2C interface clock signal
42
I2C_SDA
OD -
I2C interface data signal
43
NC
-
-
NC
44
ADC1
I
-
Analog to digital converter interface1
45
ADC0
I
-
Analog to digital converter interface 0
46
GND
G
-
Ground
47
ANT_GNSS
I
-
GNSS antenna
48
GND
-
-
Ground
49
ANT_MAIN
IO
-
Main antenna
50
GND
G
-
Ground
51
GND
G
-
Ground
52
GND
G
-
Ground
53
GND
G
-
Ground
54
GND
G
-
Ground
55
NC
-
-
NC
56
GND
G
-
Ground
57
VBAT_RF
PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
RF power input (3.3V~4.3V)
58
VBAT_RF
PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
RF power input (3.3V~4.3V)
59
VBAT_BB
PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
Baseband power input
(
3.3V~4.3V
)
60
VBAT_BB
PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
Baseband Power Input (3.3V~4.3V)