6.2. How to Return to Flashed Default Setting
* Only when BT is NOT connected *
*
Note that default baud rate is “9600bps,n,8,1”. For other default, please
⚫
Use Hardware Method
1. Read P0.03 (indicator pin) first to check if BT is
NOT
in connection.
2. Output a low pulse to P0.11 (flash default pin), then system will return to default setting.
⚫
Use Software method
1. Output low to P0.10 (UART PD pin) to enable UART interface. Please keep in enabling
during the whole time when sending AT commands.
2. Send
command “ AT+DEFAULT ”, then system will return to default setting.
Summary of Contents for MDBT42Q-AT-UART-M
Page 6: ...3 Reference Circuit...
