Fibocom L830-EB-11 - Control Signal; Module Start-Up; Start-Up Circuit

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L830-EB-11 Hardware User Manual Page 17 of 39
Parameter
Mode
Condition
Average
Current(mA)
LTE FDD
Paging cycle #64 frames (0.64 sec DRX cycle)
3.6
Radio Off
AT+CFUN=4,Flight mode
1.0
I
WCDMA-RMS
WCDMA
WCDMA Data transfer Band I @+23.5dBm
687
WCDMA Data transfer Band VIII @+23.5dBm
597
I
LTE-RMS
LTE FDD
LTE FDD Data transfer Band 1 @+23dBm
713
LTE FDD Data transfer Band 3 @+23dBm
733
LTE FDD Data transfer Band 7 @+23dBm
735
LTE FDD Data transfer Band 8 @+23dBm
675
LTE FDD Data transfer Band 20 @+23dBm
685
LTE FDD Data transfer Band 28 @+23dBm
833
Note：
The data above is an average value obtained by testing some samples.
3.3 Control Signal
The L830 module provides two control signals for power on/off and reset operations, the pin defined as
shown in the following table:
Pin
Pin Name
I/O
Reset Value
Functions
Type
6
FULL_CARD_POWER_
OFF#
I
Power on/off signal
High: Power on
Low or floating: Power off
3.3V/1.8V
67
RESET#
I
Reset signal, internal 100KΩ pull-up,
active low.
1.8V
3.3.1 Module Start-Up
3.3.1.1 Start-up Circuit
The FULL_CARD_POWER_OFF# pin needs an external 3.3V or 1.8V pull up for booting up. The
VDD(3.3V/1.8V) should be provided from the external circuit. Two methods for module starting up: