B&B Electronics ZXT9-RM-KIT - Manual - Manual (Page 67)

Document Number: pnZXTxRM-0712m
Page
67
6.4 ZXT9-RM Configuration
6.4.1 Advanced Programming
6.4.1.1 Programming examples using AT Commands
The programming examples in this section require the installation of a
hyper terminal program and a connection to a PC.
6.4.1.2 Programming using binary commands
Example: Use binary commands to change the RF modem's destination
address to 0x1A0D and save the new address to non-volatile memory.
1. RT Command must be set to '1' in AT Command Mode to enable binary
programming
2. Assert CMD (Pin 10 is driven high). (Enter Binary Command Mode)
3. Send Bytes [parameter bytes must be 2 bytes long]:
00 (Send DT (Destination Address) Command)
0D (Least significant byte of parameter bytes)
1A (Most significant byte of parameter bytes)
08 (Send WR (Write) Command)
4. De-assert CMD (pin 10 is driven low). (Exit Binary Command Mode)
Note: CTS is high when a command is being executed. Hardware flow
control must be disabled as CTS will hold off parameter bytes.
‘CR’ stands for carriage return:
Method 1 (One line per command)
Send AT Command System Response_
+++ OK (Enter into Command Mode)
ATDT {current value} (Read Destination Address)
ATDT1A0D OK (Modify Destination Address)
ATWR OK (Write to non-volatile memory)
ATCN OK (Exit Command Mode)
Method 2 (Multiple commands on one line)
Send AT Command_ System Response_
+++ OK (Enter into Command Mode)
ATDT {current value} (Read Destination Address)
ATDT1A0D,WR,CN OK (Execute commands)