Fibocom FM350-GL - Wowwan; Interrupt Control

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FM350-GL Hardware Guide Page 40 of 67
WOWWAN#
The WOWWAN# signal is used to wake the Host (AP) when there comes the data request. The definition
of WOWWAN# signal is as follows:
Operating Mode
WOWWAN# Signal
SMS or data requests
Pull low 1s then pull high (pulse signal).
Idle/Sleep
High level
The WOWWAN# timing is shown in Figure 3-19:
WOWWAN#
1S
Idle/Sleep
Call/SMS/Data
Idle/Sleep
Status
Figure 3-19 WOWWAN# timing
Note:
WOWWAN# is disabled in default, it can be enabled by AT CMD: AT+GTWAKE=1 and restart
module.
3.7 Interrupt Control
The FM350 module provides four interrupt signals, and the pin definition is as follows:
Pin
Pin Name
I/O
Reset
Value
Pin Description
Level
8
W_DISABLE1#
I
PD
Enable/Disable RF network
3.3/1.8V
25
DPR
I
PD
Dynamic Power Reduction - Body
SAR control signal
(SAR_BACK_OFF)
3.3/1.8V
26
W_DISABLE2#
I
PD
GNSS Disable signal
Reserved
3.3/1.8V