SENA Parani-BCD110-210 - Manual (Page 42)

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Step 5. Now BCD1 is waiting for a connection from the last connected Bluetooth device. The last
connected Bluetooth device can connect to BCD1.
Table A-3 Pairing Process with other Bluetooth device by Pairing Signal
BCD1 Status Pairing Signal Other Bluetooth Device Status
1. Reset Mode0 HIGH
2. Drop pairing signal Mode3 LOW
3. Inquiry and connect to
BCD1
4. Connected Slave HIGH 4. Connected Master
A.1.6. Flow Control(FC_CTRL) On/Off Signal
If user wants to set the status of hardware flow control option using AT+UARTCONFIG command,
FC_CTRL signal should be connected with UART_CTS signal.
If Hwfc parameter in AT+UARTCONFIG command is set to 1, FC_CTRL signal is set to high and then
hardware flow control is enabled. And if Hwfc parameter in AT+UARTCONFIG command is set to 0,
FC_CTRL signal is set to low and then hardware flow control is disabled.
A.1.7. Bluetooth Status LED(STATUS_LED0, STATUS_LED1) Signal
 If any Bluetooth device is connected, this signal is set to high during 150msec periodically
after low status during 1 sec.
 When the connection status is Standby, this signal is set to high.
 When the connection status is Pending, this signal is toggled 3 times periodically after low
status during 1 sec.
 When the connection status is Connect, this signal is set to low.
A.1.8. Reset Signal
Parani-BCDx10 can be reset from one of following sources:
- RESETB pin
- Power on reset
- UART break character