Silicon Labs Bluetooth Stack Features for Lyra Devices
Feature | Description |
---|---|
Bluetooth SIG version | Bluetooth(BT) 5.2 |
Bluetooth features |
BT 5.2 GATT caching
Concurrent central, peripheral, broadcaster, and observer modes LE secure connections |
Simultaneous connections | Up to 32 Simultaneous connections regardless of role (master or slave) |
Maximum throughput | 1300 kbps over 2M PHY 700 kbps over 1M PHY |
Encryption | AES-128 |
Pairing modes | Just works, Man-in-the-Middle with numeric comparison and passkey Out-Of-Band |
Number of simultaneous bondings | Up to 32 |
Link Layer packet size | Up to 251 B |
ATT protocol packet size | Up to 250 B |
Support BT profiles and services | All GATT based profiles and services are supported |
Apple HomeKit | Apple HomeKit R15-complant implementation, which implements all Apple HomeKit profiles and services. The HomeKit SDK is available separately for Apple MFI licensees |
Host (NCP) interfaces | 4-wire UART with RTS/CTS control or 2-wire UART w/o RTS/CTS GPIO/s for sleep and wakeup power management |
Wi-Fi Coexistence | Using Packet Trace Arbitration (PTA) |
Bootloader | Secure Gecko Bootloader supporting authenticated and encrypted updates over OTA or UART and Secure Boot. The Gecko Bootloader also supports flash partitioning for both internal and external SPI flash types. |
Non-volatile memory | NVM3 |