3 Application Interface
Copyright © Fibocom Wireless Inc.
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The resistance of LED current-limiting resistor is selected according to the
driving voltage and the driving current.
3.7
Interrupt Control
The FM101 module provides two interrupt signals, and the pin definitions are as follows:
Pin Pin Name
I/O
Reset
Value
Pin Description
Type
8
W_DISABLE1#
I
PD
WWAN disable, default high,
active low
3.3/1.8V
25 DPR
I
PD
Dynamic power reduction detect,
default high, active low
3.3/1.8V
3.7.1
W_DISABLE1#
The module provides a hardware pin to enable/disable WWAN RF function, need
AT+GTFMODE=1 to enable this function and the function can also be controlled by the AT
command. The module enters into flight mode after the RF function is disabled. The
definition of W_DISABLE1# signal is as follows:
W_DISABLE1#
signal
Function
High/Floating
WWAN function is enabled, the module exits the flight mode.
Low
WWAN function is disabled, the module enters into flight mode.
