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FIBOCOM NL668-AM Hardware User Manual
Page 19 of 62
Pin
Pin Name
I/O Level
Description
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
25
PCM_OUT
O
V
OL
max=0.45V
V
OH
min=1.35V
PCM output signal
26
PCM_SYNC
I/O
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
PCM synchronization signal
27
PCM_CLK
I/O
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
PCM clock signal
28
SDC2_DATA3
I/O -
Reserved
29
SDC2_DATA2
I/O -
Reserved
30
SDC2_DATA1
I/O -
Reserved
31
SDC2_DATA0
I/O -
Reserved
32
SDC2_CLK
O
-
Reserved
33
SDC2_CMD
I/O -
Reserved
34
VDD_SDIO
PO -
Reserved
35
ANT_DIV
I
-
Diversity antenna
36
GND
G
-
Ground
37
SPI_CS_N
I
-
Reserved
38
SPI_MOSI
I
-
Reserved
39
SPI_MISO
O
-
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 interface
45
ADC0
I
-
Analog to digital converter interface 0
46
GND
G
-
Ground
