The BTM46x series of Bluetooth modules from Laird Technologies is designed to add robust, short-range Bluetooth data connectivity to any device. They build on the proven BTM44x series of module hardware based on the market-leading Cambridge Silicon Radio (CSR) BC04 chipset.
The firmware on the BTM46x series allows OEMs to seamlessly support Bluetooth data connectivity for all PCs, smartphones and tablets including Apple iOS devices. The modules are approved by Apple as part of their MFi program (Made for iPod/iPhone/iPad).
The devices abstract the OEM from the intricacies of Apple’s iAP protocol by handling all iAP commands, authentication and communication with the Apple authentication co-processor. The module enables Apple licensees to leverage Bluetooth data connectivity via the iAP protocol into their MFI accessories, and enables rapid time to market for their products.
With a compact footprint of 12,5 x 22 mm, the modules are designed to support a separate power supply for I/O. Another integration advantage is the inclusion of a complete Bluetooth v2.1 protocol stack with support for multi-point connections and numerous Bluetooth profiles, including Serial Port Profile (SPP), HID (Human Interface Device) and Apple’s iAP protocol.
BTM46x modules are fully qualified as Bluetooth End Products, enabling designers to integrate the modules in devices without the need for further Bluetooth qualification.
An integrated AT command processor interfaces to the host system over a serial port using an extensive range of AT commands. The AT command set abstracts the Bluetooth protocol from the host application, saving programming and integration time. Included firmware provides programming support for multi-point applications that use up to seven simultaneous data connections to and from the BTM46x modules.
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