6/16/2017 3:02:20 PM
Wireless Gecko SoC now supports full bluetooth 5 connectivity
Bluetooth 5 IoT Device,System-on-Chip,IoT Devices
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App Developer Magazine

Wireless Gecko SoC now supports full bluetooth 5 connectivity



Christian Hargrave Christian Hargrave in IoT Friday, June 16, 2017
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New Bluetooth 5 capabilities for Silicon Labs' wireless system-on-chip, Gecko.

Silicon Labs expands its Wireless Gecko system-on-chip (SoC) portfolio with new multiband SoCs supporting full Bluetooth 5 connectivity and more memory options. Their new EFR32xG13 SoCs offer developers greater flexibility and more capabilities for applications using a single wireless protocol or requiring more memory for multiprotocol solutions, larger customer applications or for storage of over-the-air (OTA) images.

The new EFR32xG13 family supports all Bluetooth 5 features and capabilities, enabling four times the range, twice the speed and eight times greater broadcasting capacity than Bluetooth 4, as well as improved co-existence with other wireless protocols. The SoCs feature a 2 Mbps PHY that supports faster throughput or reduced power consumption due to lower transmit (TX) and receive (RX) times. The SoCs also integrate a new 125 kbps and 500 kbps coded PHY that enables much longer communications.  

The SoCs provide sufficient flash memory (512 kB) and RAM (64 kB) to run applications using zigbee, Thread and Bluetooth 5 in single-protocol mode and to support multiprotocol combinations of Bluetooth with zigbee, Thread or proprietary stacks (running on sub-GHz or 2.4 GHz networks). The SoC family is an ideal choice for Bluetooth Mesh applications as they are designed to run both Bluetooth Mesh and Bluetooth 5 stacks and to support both smartphone and Bluetooth Mesh connectivity.

The new SoCs include an on-chip oscillator that eliminates the need for an external 32 KHz crystal typically required for Bluetooth low energy devices. This integrated precision low-frequency resistor-capacitor (RC) oscillator (PLFRCO) enables developers to save approximately $0.15 (USD) in BOM cost when used in high-volume designs requiring a 32 KHz crystal to meet Bluetooth low energy sleep clock accuracy specifications. The PLFRCO is differentiated from similar integrated oscillators offered by other Bluetooth devices as it guarantees robust, reliable Bluetooth low energy connections across the devices’ entire operating temperature range.

The EFR32xG13 family is pin-compatible with all Wireless Gecko SoCs in QFN48 packages, further extending flexible memory, peripheral and feature options for existing customers. The Wireless Gecko portfolio is supported by Silicon Labs’ full suite of Simplicity Studio development tools, available to developers free of charge.

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