BTM461 Development Kit
Quick Start Guide
Americas: +1-800-492-2320 Option 2
4
Laird Technologies
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
Figure 3: Configuration sequence in UWTerminal
Note: If the BTM46x is set to factory default, these parameters are cleared, ATI150 returns 0x3ff, and the
unit stops functioning as a Bluetooth device until reconfigured. This is an Apple requirement.
Apple lastly requires that an authentication chip must be present in the end product. This chip can only be
purchased by Apple licensees and through approved Apple distributors. If this chip isn’t present, the BTM46x
will be unable to connect to an Apple Device. The following command reports whether a chip is present:
ATI149
shows ATI149 confirming an authentication chip is present.
Figure 4: ATI149 confirms presence of authentication chip
Pairing
Unless you know the Bluetooth address of the device you are attempting to pair with, pairing is usually
preceded by an Inquiry.
The 2 commands are
AT+BTI
AT+BTW<BdAddr>