Chengdu Ebyte Electronic Technology Co., Ltd.
E22-xxxT22S series product user manual
Copyright©2012–2024
, Chengdu Ebyte Electronic Technology Co., Ltd.
18
Write
wireless data, it will follow an RSSI strength byte
after output via the serial port TXD
0
Disabled (default)
1
Enable
6
Transfer method
During fixed-point transmission, the module will
identify the first three bytes of serial port data as:
address high + address low + channel, and use
them as wireless transmission targets.
0
Transparent transmission (default)
1
Fixed point transmission
5
Repeater function
After the repeater function is enabled, if the target
address is not the module itself, the module will
start a forwarding ;
In order to prevent data from being transmitted
back, it is recommended to use it in conjunction
with fixed-point mode ; that is, the destination
address and source address are different.
0
Disable repeater functionality (default)
1
Enable repeater function
4
LBT Enable
When enabled, wireless data will be monitored
before transmission, which can avoid interference
to a certain extent, but may cause data delays;
The maximum dwell time of LBT is 2 seconds.
The wireless data will be transmitted forcibly after
2 seconds.
0
Disabled (default)
1
Enable
3
WOR mode transmission control
Below operation is valid for Mode 1 only
；
In WOR receiving mode (as WOR receiver), the
delay time after wake-up can be modified. The
default time is 0;
1. To modify the delay time after wake-up, WOR
receiver needs to send the command C0 09 02 03
E8 in the configuration mode (C0 is writing
command, 09 is the starting address of the
register, 02 is the length, 03 E8 is the set delay,
the maximum delay FFFF is 65535ms, if the delay
is set to 0, the wake-up delay is turn off.)
2. Data can be sent within the delay.
0
WOR receiver
（
default
）
Working in WOR listening mode, the listening
period is shown below (WOR period), which
can save a lot of power consumption.
1
WOR transmitter
The module receiving and transmitting
functions are turned on, and a wake-up code of
a period of time is added when transmitting
data.
2
1
0
WOR cycle time
Below description is valid for Mode 1 only
；
Cycle time T = (1 + WOR) * 500ms,
max.4000ms, min.500ms;
The longer the cycle time T (WOR listening
interval period), the lower the average power
consumption, but the greater the data delay.
Both the transmitter and the receiver must be set
as the same cycle time T (very important).
0
0
0
500ms
0
0
1
1000ms
0
1
0
1500ms
0
1
1
2000ms
1
0
0
2500ms
1
0
1
3000ms
1
1
0
3500ms
1
1
1
4000ms
07H
Write
CRYPT_H High byte of Key
（
default 0
）
Write only, read returns 0;
Used for encryption to avoid interception of
wireless data in the air by similar modules;
The module will internally use these two bytes as
a calculation factor to do a transform encryption
processing for the wireless signal over the air.
08H
Write
CRYPT_L Low byte of Key
（
default 0
）
80H～86H
Read
PID
Product information 7 bytes
Product information 7 bytes
