Fibocom L830-EB - Page 12

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L830-EB Hardware User Manual Page 12 of 39
Pin
Pin Name
I/O
Reset
Value
Pin Description
Type
23
WOWWAN#
O
PU
Wake up host signal
CMOS 1.8V
24
I2S_TX
O
PD
I2S serial data output
CMOS 1.8V
25
DPR
I
PU
Body SAR detection
CMOS 1.8V
26
W_DISABLE2#
I
PU
GPS Disable signal, active low. (Not
supported yet)
CMOS 1.8V
27
GND
GND
Power Supply
28
I2S_WA
O
PD
I2S clock for left and right channels
CMOS 1.8V
29
NC
NC
30
UIM_RESET
O
PP
USIM reset signal
1.8V/3V
31
NC
NC
32
UIM_CLK
O
PP
USIM clock signal
1.8V/3V
33
GND
GND
Power Supply
34
UIM_DATA
I/O
PU
USIM data signal, internal 4.7KΩ
pull-up.
1.8V/3V
35
NC
NC
36
UIM_PWR
O
USIM power supply
1.8V/3V
37
NC
NC
38
NC
NC
39
GND
GND
Power Supply
40
GNSS_SCL
O
PU
I2C serial clock signal, internal
4.7KΩ pull-up
CMOS 1.8V
41
NC
NC
42
GNSS_SDA
I/O
PU
I2C serial data signal, internal 4.7KΩ
pull-up
CMOS 1.8V
43
NC
NC
44
GNSS_IRQ
I
PU
Reserved
CMOS 1.8V
45
GND
GND
Power Supply
46
SYSCLK
O
L
26MHz clock output
1.8V
47
NC
NC