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Silicon Laboratories EFR32BG1B232F128GJ43

ARM Cortex-M4, 38 MHz, 128 kB ROM, 31 kB RAM

  • 32-bit ARM Cortex-M4 core with 40 MHz maximum operating frequency
  • Scalable Memory and Radio configuration options available in several footprint compatible QFN packages
  • 12-channel Peripheral Reflex System enabling autonomous interaction of MCU peripherals
  • Autonomous Hardware Crypto Accelerator and Random Number Generator
  • Integrated 2.4 GHz balun and PA with up to 19.5 dBm transmit power
  • Integrated DC-DC with RF noise mitigation The Wireless Gecko portfolio of SoCs (EFR32) include Mighty Gecko (EFR32MG1), Blue Gecko (EFR32BG1), and Flex Gecko (EFR32FG1) families. With support for Bluetooth Smart (BLE), ZigBee, Thread and proprietary protocols, the Wireless Gecko portfolio is ideal for enabling energy-friendly wireless networking for IoT devices. The single-die solution provides industry-leading energy efficiency, ultra-fast wakeup times, a scalable high-power amplifier, an integrated balun and no-compromise MCU features.
Core ARM Cortex-M4, FPU MPU 38 MHz
  • Processor:Cortex-M4, FPU MPU 38 MHz
Memory 31 kB RAM, 128 kB ROM
  • ROM:128 kB
  • RAM:31 kB
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
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