Sleep Mode (Mode 3); Command Format; Default Parameters - Ebyte E32 Series User Manual

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In mode 2, it is required the data transmitter works in mode 1.
The wireless module monitors the preamble code at regular time.
Once it gets the preamble code, it will remain as receiving status and waiting for the completion of receiving the
entire valid data package.
Then the AUX outputs low level, 5ms later the serial port is open to transmit received wireless data through
Receiving
TXD. Finally, AUX outputs high level after process completed.
The wireless module stays in "power-saving – monitoring" working status (polling).
By setting different wake-up time, the module will have different receiving response delay (2s in maximum) and
average power consumption (30uA in minimum).
The user needs to achieve a balance between communication delay time & average power consumption.

6.5 Sleep mode (mode 3)

When M1=1, M0=1, module works in mode 3
Transmitting
Receiving
Parameter This mode can be used for parameter setting. It uses serial port 9600 & 8N1 to set module working parameters
setting through specific instruction format. (pls refer to parameters setting for details)
When the mode changes from stand-by mode to others, the module will reset its parameters, during which the
Notes AUX keeps low level and then outputs high level aft er reset completed. It is recommended to check the AUX
rising edge for user.

7 Command format

In sleep mode（Mode 3：M1=1, M0=1）, it supports below instructions on list.
(Only support 9600 and 8N1 format when setting)
Instruction
No.
format
C0+working
1
parameters
2 C1+C1+C1
C2+working
3
parameters
4 C3+C3+C3
5 C4+C4+C4

7.1 Default parameters

M odel
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C0 + 5 bytes working parameters are sent in hexadecimal format. 6 bytes in total and must
be sent in succession, ( Save the parameters when power-down ).
( Save the parameters when power-down )
Three C1 are sent in hexadecimal format. The module returns the saved parameters and
must be sent in succession.
C2 + 5 bytes working parameters are sent in hexadecimal format. 6 bytes in total and must
be sent in succession. ( Do not save the parameters when power-down )
Three C3 are sent in hexadecimal format. The module ret urns the version information and
they must be sent in succession.
Default parameter values： ：C0 00 00 1A 17 44
Frequency Address
N/A
N/A
Illustration
Channel Air data rate
E32-433T20DC user manual
Baud rate Parity
Transmitting
power
12