Fibocom L831-EAU-01 - Interrupt Control; W_DISABLE# Signal; GNSS Control

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L831-EAU-01 Hardware User Manual Page
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3.7 Interrupt Control
The L831-EAU module provides four interrupt signals, and the pin definition is as follows:
Pin
Pin Name
I/O
Reset Value
Pin Description
Type
8
W_DISABLE#
I
PU
Enable/Disable RF network
CMOS 3.3V
25
DPR
I
PU
Body SAR control signal
(Reserved)
CMOS 1.8V
26
GNSS_DISABLE#
I
PU
GNSS Disable signal
(Reserved)
CMOS 1.8V
44
I2C_IRQ
I
PU
I2C interrupt signal
CMOS 1.8V
3.7.1 W_DISABLE#
The module provides a hardware pin to enable/disable WWAN RF function, and the function can also be
controlled by the AT command. The module enters the Flight mode after the RF function is disabled. The
definition of W_DISABLE# signal is as follows:
W_DISABLE# signal
Function
High/Floating
WWAN function enabled（AT Commands can control the module entering or
exit the Flight mode.）
Low
WWAN function disabled, the module enters Flight mode.
Note:
When W_DISABLE# is pulled down and then pulled up (or Floating), AT command (AT+CFUN=1)
is required for exiting Flight mode!
3.7.2 GNSS Control
L831-EAU currently does not support controlling GNSS by GNSS_DISABLE#, but by AT command.
AT+XLCSSHUTDOWN can shut down GNSS, and AT+XLCSINIT can reinitialize GNSS, the GNSS can
be started up only after re-initialization when it has been shut down.