Silicon Labs introduced its Wireless Gecko portfolio of multiprotocol system-on-chip (SoC) devices, providing flexible connectivity and price/performance options for Internet of Things (IoT) devices.
The chips integrate an ARM Cortex-M4 core, energy-friendly Gecko technology, a 2,4 GHz radio with up to 19,5 dBm output power, and advanced hardware cryptography. They also offer Thread and ZigBee stacks for mesh networks, radio interface software for proprietary protocols, Bluetooth Smart for point-to-point connectivity, and Simplicity Studio tools to simplify wireless development, configuration, debugging and low-energy design.
The Wireless Gecko portfolio features three families: Blue Gecko for Bluetooth Smart; Mighty Gecko for ZigBee and Thread; and Flex Gecko for proprietary wireless protocol options. They are pin-and software-compatible so developers can select the wireless protocol to meet their application needs today and migrate to other protocols within the portfolio with the assurance of hardware/software reuse.
Based on an ARM Cortex-M4 processor with powerful floating point and DSP capabilities and scalable memory options (up to 256 KB Flash and up to 32 KB RAM), the Gecko MCU inside the SoCs consumes only 63 µA/MHz in active mode. It also features well architected energy modes, ultra-fast wakeup/sleep transitions, and the Peripheral Reflex System (PRS), enabling autonomous operation of low-power peripherals while the MCU core sleeps.
The Wireless Gecko SoCs also integrate a software-programmable power amplifier (PA) and balun to reduce bill of materials (BOM) cost and design complexity while providing scalable output power ranging from -30 dBm up to +19,5 dBm for applications requiring long-range connectivity.
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