Description Of Gps_Disable# Interface; Tx_Blanking Interface; The Wakeup_Host Interface - Fibocom L-831-EA User Manual

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No.
W_DISABLE#
1
Low
2
High
3
Floating

5.8.2 Description of GPS_DISABLE# Interface

L831-EA module provides through hardware to open/close GPS function signal, this function can also
control by AT commands.
Pin# Name
W_DISABLE
26
2#
The definition of GPS_DISABLE# signal as listed below:
No.
GPS_DISABLE#
1
Low
2
High
3
Floating
Note: this function don`t support yet.

5.9 TX_BLANKING Interface

Output low level by default, the TX_BLANKING output the pulse signal that synchronized with GSM burst
timing while the module works in GSM band. Cause GSM transmitting may interfere the receiving of GPS
signal, close GPS or stop the data receiving of GPS while AP detected TX_BLANKING pulse signal.
Pin#
Name
48
TX_BLANKING

5.10 The WAKEUP_HOST Interface

The module supports the WAKEUP_HOST function, the pin is high level by default, but it outputs low level
while awaking Host.
Pin#
Name
23
WOWWAN#
L831-EA Module Hardware User Manual
Function
WWAN closed
WWAN opened
The function of WWAN defined by AT commands , and keep open by
default .
I/O
Description
GPS open/close signal , and the
I
signal with 1.8V
Description
GPS closed
GPS open
The function of GPS defined by AT commands, keeps open by default.
I/O
O
I/O
O
Description
External GPS control signal
Description
The module wakes up Host signal with 1.8V,and low
level is available.
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