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5.2 Power on/off and Reset Signal
L831-EA wireless module supports 2 control signals for the modules` power on/off and the reset
operation.
The definition of the pins as listed below:
Pin#
Pin Name
6
FUL_CARD_POWER_OFF#
67
RESET#
5.2.1 Power on/off Signal
5.2.1.1 Power on
Clients can pull up the FUL_CARD_POWER_OFF# signal while the module is power on, then the module
will turn on.
The Pulse Timing requirements as listed below:
Parameters
Condition
Pulse Width
Power on
The Figure5- 1 shows the power_on timing control:
5.2.1.2 Power off
L831-EA module supports two powers off modes. Through the software modes to turn off the module in
general condition. If the system halted or happen exceptions, use the following hardware modes to turn
L831-EA Module Hardware User Manual
Electrical Level
CMOS 1.8V
CMOS 1.8V
Minimum
Typical
20
100
Figure5- 1 Power_on Timing Control
Description
Power on/off signal
External reset signal input.
Maximum
Unit
ms
Page 25 of 43
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