BTM-5 Bluetooth Module Datasheet Rev1.1
3
The pin PIO8 is the indicator for the operation mode, user can use a LED to connect to this
pin. The LED starts to blink after power up, and the blink frequency subject to change between
different operation modes.
The pin PIO9 is the indicator for the link status. It is high when the link established, user can
use this pin to determine the link status of the BTM-5 module.
The pin PIO11 is the switch input to select two operation modes. When high it enter the AT
command mode, when low it enter auto link mode. User can use this pin to change between tow
modes in real time.
3
AT Command Set
Note: All AT commands (not case sensitive) should be ended up with \r\n characters.
3.1
TEST Command
Command Response
Parameter
AT OK NULL
Example:
Command : AT\r\n
Response : OK
3.2
RESET Command
Command Response
Parameter
AT+RESET OK
NULL
Example:
Command : AT+RESET\r\n
Response : OK
3.3
Restore Default Setting Command
Command Response
Parameter
AT+ORGL OK
NULL
Default Setting is :
1. Device class: 0
2. Inquiry code: 0x009e8b33
3. Device mode: Slave mode
4. Binding mode: SPP
5. Serial port: 38400 bits/s; 1 stop bit, no parity
6. Pairing code:
“
1234
”
7. Device name: H-C-2010-06-01
Example:
Command : AT+ORGL \r\n
Response : OK
3.4
Get Firmware Version Command
Command Response
Parameter
AT+VERSION?
+VERSION:< Param >
OK
Param: firmware version
