User's Manual
Table Of Contents
- Copyright
- Attention
- Trademark
- Versions
- Foreword
- Product Overview
- Structure
- Hardware Introduction
- Hardware Interface
- Power Interface
- Power on/off and Reset Signal
- Status Indicating Signal
- USB /SSIC Interface
- USIM Interface
- Digital Audio
- Win8/Android Switch Control Interface
- W_DISABLE# Interface
- TX_BLANKING Interface
- WAKEUP_Host Interface
- BODY_SAR Interface
- I2C Interface
- Clock Interface
- Config Interface
- RF Interface
- Other Interfaces
- Electrical and Environmental Features
- RF Interface
L830-EA M.2 Module Hardware User Manual Page
35
of
45
3. ”Win8” refers to Windows version above the Win8, including Win8 / 8.1/10 systems that support MBIM
port. For the low version of Windows 7 system, still use the Android system of ACM.
5.8 W_DISABLE# Interface
5.8.1 Description of WWAN_DISABLE# Interface
L830-EA M.2 module supports open/close the WWAN RF functional signal through hardware, and this
function can also be controlled by AT commands.
Pin#
Name
I/O
Description
8
W_DISABLE1#
I
WWAN on/off signal, CMOS 3.3V
The definition of W_DISABLE# signal as listed below:
No.
W_DISABLE#
Function
1
Low
WWAN off
2
High
WWAN on
3
Floating
WWAN function is controlled by AT commands, it is on by default.
5.8.2 GPS_DISABLE# Interface
L830-EA M.2 module supports open/close GPS functional signal, and this function is also controlled by AT
commands.
Pin#
Name
I/O
Description
26
W_DISABLE2#
I
GPS on/off signal , 1.8V
The definition of GPS_DISABLE# signal as listed below:
No.
GPS_DISABLE#
Function
1
Low
GPS off
2
High
GPS on
3
Floating
GPS function is controlled by AT commands, it is on by default.
Note: This function is not supported yet.
5.9 TX_BLANKING Interface
Output the low level by default. While the module works in GSM bands, TX_BLANKING will output the
pulse signal that synchronized with GSM burst timing sequence. Because of the GSM TX will interface