Wireless UART Module User Manual of E64 Series Modules
Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd.
12
/
16
11:8N1(equal to 00)
-----------------------------------------------
5,4,3 TTL UART baud rate(bps)
000:1200
001:2400
010:4800
011:9600(Default)
100:19200
101:38400
110:57600
111:115200
-----------------------------------------------
2,1,0 Air date rate(bps)
000:Reserved
001:2kb
010:5k
011:8k(Default)
100:Reserved
101:Reserved
110:20k
111:Reserved
-------------------------------------------------------
l
UART baud rate can be different between
communication parties
l
The UART baud rate has nothing to do with
wireless transmission parameters & won’t
affect the wireless transmit / receive features.
-----------------------------------------------------
l
The lower the air date rate, the longer the
transmitting distance, better anti-interference
performance and longer transmitting time.
l
The air date rate must keep the same for both
communication parties.
4
CHAN
7,6,5 Network group number 00-07H
000:Team 0
001:Team 1(default)
010:Team 2
011:Team 3
100:Team 4
101:Team 5
110:Team 6
111:Team 7
-----------------------------------------------
4,3,2,1,0 Slave address 00-1EH
(the default 0)
7 Reserved
-----------------------------------------------
6 IO drive mode (the default 1)
1:TXD and AUX push-pull outputs,
RXD pull-up inputs
0:TXD、AUX open-collector outputs,
RXD open-collector inputs
-------------------------------------------------
5,4,3 wireless wake-up time
(for the receiver, it means the monitor interval
time ,while for the transmitter it means continuously
sending preamble code time.)
000:0ms
001:250ms
010:500ms
011:750ms
100:1000ms(default)
101:1250ms
110:1500ms
111:2000ms
l
The network with same number cannot exist in
the same region.
l
Communication is not available for the devices
with different network.
l
Only one master exists in the network.
--------------------------------------------------------
l
31 salves
l
The number cannot be repeated for salve in one
network.
l
those parameters are invalid for the master
-------------------------------------------------------
l
This bit is used to the module internal pull-up
resistor. It also increases the level’s
adaptability in case of open drain. But in some
cases, it may need external pull-up resistor.
--------------------------------------------------------
l
The wake-up time for master cannot be less
than the monitor interval time of slave,
otherwise, it may lead data loss.
l
The longer the wake-up time, the lower the
average receive current consumption.
l
The same WOR time for master and slave is
recommended when master needs to wake up
slave.