Chengdu Ebyte Electronic Technology Co., Ltd.
E32-433T20D User Manual
Copyright © 2012–20 22 , Chengdu Ebyte Electronic Technology Co., Ltd.
14
6.5 Sleep Mode (Mode 3)
type
When M0 = 1, M1 = 1, the module works in mode 3
emission
Unable to transmit wireless data.
take over
Unable to receive wireless data.
configure
Sleep mode can be used for module parameter setting, use serial port 9600, 8N1, and set module working
parameters through specific command format.
Notice
When entering other modes from sleep mode, the module will reconfigure parameters. During the
configuration process, AUX remains low level; after completion, it outputs high level, so it is
recommended that users detect the rising edge of AUX.
7 Command Format
In sleep mode (mode 3: M0=1, M1=1), the list of supported commands is as follows (when setting, only 9600 and 8N1 formats
are supported):
serial
number
Instruction format
Detailed description
1
C0+ working
parameters
Send C0+5 bytes working parameters in hexadecimal format, a total of 6 bytes, must
be sent continuously (power-off save)
2
C1+C1+C1
Send three C1s in hexadecimal format, and the module returns the saved parameters,
which must be sent continuously.
3
C2+ working
parameters
Send C2+5 bytes working parameters in hexadecimal format , a total of 6 bytes, must
be sent continuously (not saved when power off)
4
C3+C3+C3
Three C3s are sent in hexadecimal format, and the module returns version information,
which must be sent continuously.
5
C4+C4+C4
Send three C4s in hexadecimal format, the module will generate a reset and must be
sent continuously.
7.1 Factory default parameters
model
Factory default parameter value: C0 00 00 1A 17 40
Module model
frequency
address
channel
air rate
baud rate
Serial format
transmit
power
E32-433T20D
433MHz
0x0000
0x17
2.4kbps
9600
8N1
100mW
7.2 Reading of working parameters
Instruction format
Detailed description
C1+C1+C1
In sleep mode (M0=1, M1=1), send a command (HEX format) to the module serial port: C1
C1 C1,
The module will return the current configuration parameters, for example: C0 00 00 1A 17 44.
7.3 version number read
Instruction format
Detailed description
