9 Bluetooth Low Energy

The Bluetooth subsystem implements all the mission critical real-time functions. It encodes/decodes HCI packets, constructs baseband data packages; and manages and monitors the connection status, slot use, data flow, routing, segmentation and buffer control. The Bluetooth subsystem supports Bluetooth Low Energy modes of operation.

The following advanced low energy applications are supported:

  • Smart energy
  • Consumer wellness
  • Home automation
  • Security
  • Proximity detection
  • Entertainment
  • Sports and fitness
  • Automotive

Coexistence Mechanism

The ATWINC3400-MR210xA supports simultaneous use of both Bluetooth Low Energy and Wi-Fi via a coexistence mechanism that allows the protocols to share the same radio. The radio defaults to Wi-Fi use until a Bluetooth Low Energy event occurs (such as connection or advertising), in which case the radio is gracefully switched over for Bluetooth Low Energy use. For the duration of the Bluetooth Low Energy event, the radio is switched back and forth between Wi-Fi and Bluetooth Low Energy, as demanded by the Bluetooth Low Energy activity, before returning to Wi-Fi until the next Bluetooth Low Energy event.