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XR18W750
REV. 1.0.0
3.1.2
AT Commands
WIRELESS UART CONTROLLER
The AT Commands supported are given in the table below.
T ABLE 2: AT C OMMANDS
S YNTAX
ATI3
AT+PPM=[x]
AT+SID=[xxxxxxxx]
AT+DID
AT+BDR=[xxxxxx]
AT+GID=[xxx]
AT+CHN=[xx]
AT+NRE=[x]
AT+PWR=[x]
AT&V
ATO
+++
AT+KEY=
[xxxxxxxx
xxxxxxxx
xxxxxxxx
xxxxxxxx]
AT+I2C=[xx]
AT+MOD=[x]
AT+ABD=[x]
D ESCRIPTION
Displays the firmware version.
0 = Enable Point-to-Point Mode (P2P)
1 = Enable Point-To-Multipoint Mode (P2M)
2 = Enable Broadcast Mode
Source address. The range is 0x1 to 0xFFFFFFFD.
0xFFFFFFFE and 0xFFFFFFFF are reserved.
Destination address. The range is 0x1 to 0xFFFFFFFD.
0xFFFFFFFE and 0xFFFFFFFF are reserved.
Change baud rate to 1200, 2400, 4800, 9600, 19200,
38400, 57600, 115200, 230400 bps.
Group ID. The valid range is 0x1 to 0xFE.
Sets the RF channel number for the device. See the
XR18W753 for the valid channel range.
Number of Retries. The range is 0x1 to 0xA.
Power level of RF transmitter. The range is 0x1 to 0x8
Display the current values of the source address, desti-
nation address, baud rate, channel number, etc.
Switch from command mode to data mode.
Switch from data mode to command mode. The time
between each "+" should be between 250ms and 1 sec.
Sets a key for the AES engine
Change the I 2 C address of the RF Transceiver.
0 = Power-up in command mode
1 = Power-up in data mode
0 = Autobaud detect disabled at next power-up
1 = Autobaud detect enabled at next power-up
9
E XAMPLE
ATI3<Enter>
AT+PPM=0<Enter>
AT+SID = 38437452<Enter>
// Source Address = 0x38437452
AT+DID=23437<Enter>
// Destination address = 0x23437
AT+BDR=19200<Enter>
AT+GID=10<Enter>
//Set group ID = 10
AT+CHN=2<Enter>
//Set channel number = 2
AT+NRE=3<Enter>
//Set the number of retries to 3
AT+PWR=1
//Set the power level = -3dbm
AT&V<Enter>
ATO<Enter>
+++
AT+KEY=0001020304050607
08090A0B0C0D0E0F<Enter>
//Set the AES key to the specified
//value
AT+I2C=60<Enter>
// Change I 2 C address to 0x60
AT+MOD=1<Enter>
AT+ABD=1<Enter>
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