User's Manual

FB755AC & FB755AS Version 1.0.3
- 13 -
wireless range is smoothly made.
In standby mode for connection with Bluetooth, or connection trial, or searching for around
Bluetooth device will repeat LOW and HIGH.
- UART_CTS/UART_RTS, UART_DTR/UART_DSR
When the flow control is not used, non connection will not affect the operation of FB755AC &
FB755AS.
- STREAM_CONTROL / STREAM_STATUS
The connection is necessarily required for 1:N communication. For 1:1 communication, don’t
need to connect.
- CONNECT_CHECK / UART_DCD
CONNECT_CHECK is used for 1:N communication.
In 1:N communication, if all connection is successful, CONNECT_CHECK (DCD) in SLAVE is
outputted LOW signal. However, if one or more of connections is disconnected, DCD in SLAVE
will be outputted HIGH signal. (Default DCD Output : HIGH)