Ebyte E32-170T30D User Manual page 16

Sx1278 170mhz 1w dip wireless module
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EBYTE
Chengdu
Ebyte Electronic Technology Co,Ltd
E32-170T30D user manual
5 ~ 0, channel (160MHz+CHAN * 250KHz), default 28H
Copyright ©2012-2019,
Chengdu Ebyte Electronic Technology Co.,Ltd.
(170MHz)
.
Fixed transmission enabling bit ( similar to
®
In fixed transmission mode, the first three
MODBUS
)
bytes of each user's data frame can be used as
0
Transparent transmission mode
high/low
address
and
channel.
The
module
changes
its
address
and
channel
when
transmit. And it will revert to original setting
1
Fixed transmission mode
after complete the process.
6
10 drive mode (default 1)
®
This bit is used to the module internal pull-up
1
TXD and AUX push-pull outputs, RXD pull-up inputs
resistor.
It
also
increases
the
level's
adaptability in case
of open
drain.
But in
0
TXD.
AUX open-collector outputs, RXD
some
cases,
it may
need
external
pull-up
open-collector inputs
resistor.
5
4
3
wireless wake-up time
®
The transmit & receive module work in mode
0
0
0
250ms (default)
0, whose
delay time
is invalid
&
can
be
0
0
1
500ms
arbitrary value.
0
1
0
750ms
®
The transmitter works in mode 1 can transmit
0
1
1
1000ms
the preamble code of the corresponding time
1
0
0
1250ms
continuously.
1
0
1
1500ms
®
When the receiver works in mode 2, the time
5
OPTIO
1
1
0
1750ms
means
the
monitor
interval
time
(wireless
N
wake-up). Only the data from transmitter that
!
!
!
2000ms
works in mode 1 can be received.
2
FEC switch
0
Tum off FEC
®
After
tum
off
FEC,
the
actual
data
transmission
rate
increases
while
anti-interference
ability
decreases.
Also
the
transmission distance is relatively short.
1
Turn on FEC (default)
®
Both
communication
parties must
keep
on
the
same
pages
about
tum-on
or turn-off
FEC.
The external power must make sure the ability
!
0
Transmission power (approximation)
of current output more than 1A and ensure the
power supply ripple within 100mV.
0
Transmission power (approximation)
0
0
30dBm{default)
Low power transmission is not recommended
0
0
27dBm
due to its low power supply efficiency.
15

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