EFR32BG1 Series 1 SoCs

Quickly deliver Bluetooth Low Energy connectivity with our EFR32BG1 Series 1 energy-friendly SoCs. Take advantage of a Bluetooth SDK and Simplicity Studio development tools that support module-based and discrete circuit designs.

MCU core
ARM Cortex M4 + floating-point unit
Flash
256 kB

EFR32BG1 Common Specs

Bluetooth Low Energy Radio

  • Compatible with Bluetooth 5.1 specification
  • Integrated BALUN & Power Amplifier
  • Excellent Receive Sensitivity: - 92.5 dBm sensitivity @ 1 Mbit/s GFSK
  • Programmable Output Power: +19 dBm
  • Active-mode RX: 8.7 mA
  • Active-mode TX at 0 dBm: 8.2 mA
  • Low Power Radio features include RFSENSE

Integrated 2.4 GHz & Sub-GHz Radio

  • Supported Modulations: GFSK, 2-FSK/4-FSK, OQPSK, DSSS, FEC, BPSK/DBSK, OOK/ASK
  • Integrated 2.4 GHz BALUN & Power Amplifier
  • Excellent Receive Sensitivity: - 121.4 dBm (2.4 kbps, 868 MHz)
  • Programmable Output Power: +20 dBm
  • Active-mode RX, 868 MHz: 8.1 mA
  • Active-mode TX at 14 dBm, 868 MHz: 34.5 mA
  • Antenna Diversity

Rich Analog and Digital Peripherals

  • AES256/128 Hardware Crypto Accelerator with ECC, SHA-1, SHA-2
  • ADC (12-bit, 1 Msps)
  • Current DAC (4-bit, Current Source or Sink)
  • Low-Energy Sensor Interface
  • Multi-Channel Capacitive Sense Interface
  • 2 X Analog Comparator
  • Low Energy UART
  • 2 X USART (UART, SPI, IrDA, I2S)
  • I²C (Address recognition down to EM3)
  • Timers : RTCC, LE Timer & Pulse Counter
  • 12-channel Peripheral Reflex System
  • Up to 32 GPIO
  • PTA (Packet Traffic Arbitration) for Wi-Fi Coexistence

Energy Efficient Low Power Modes

  • Energy Mode 2 (Deep Sleep) Current: 2.2 µA
  • Ultra-fast wake up: 3 µS from EM3
  • Wide Supply Voltage range of 1.85 to 3.8 V

Powerful MCU & Memory Options

  • ARM® Cortex®-M4 + Floating-Point Unit
  • Up to 40 MHz Clock Speed
  • Low Active Mode Current: 63 µA/MHz
  • Up to 256 kB of Programmable Flash
  • Up to 32 kB SRAM

Package Options

  • QFN48 (7 mm x 7 mm)
  • QFN32 (5 mm x 5 mm)
Status
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Part Number MCU Core Core Frequency (MHz) Flash RAM Frequency Range Output Power Range (dBm) RX Current (mA) Receive Sensitivity Bluetooth 5 Bluetooth 5.1 Bluetooth Mesh Multiprotocol Sub-GHz/BLE Multiprotocol Prop 2.4 GHz/BLE TX Current A TX Current A (dBm) Dig I/O Pins ADC 1 DAC Cap Sense Temp Sensor Timers (16-bit) Cryptography UART USART SPI I²C I²S RTC Comparators Temperature Range ºC Package Type Package Size (mm)
ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 16 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN32 5x5
ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 31 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN48 7x7
ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 16 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 125 QFN32 5x5
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 19 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 WLCSP43 3.3x3.14
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 16 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN32 5x5
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 31 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN48 7x7
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 16 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 125 QFN32 5x5
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 16 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN32 5x5
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 31 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN48 7x7
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 16 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 125 QFN32 5x5
ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 31 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 125 QFN48 7x7
ARM Cortex-M4 40 256 32 110 2483.5 -30 10.5 8.7 -92.5 (1 Mbps 2 GFSK); -126.4 (600 bps GFSK 915 MHz) 8.2 0 28 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN48 7x7
ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 19 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 WLCSP43 3.3x3.14
ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 16 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN32 5x5
ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -92.5 (1 Mbps 2 GFSK) 8.2 0 31 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN48 7x7
ARM Cortex-M4 40 256 32 110 2483.5 -30 20 8.7 -92.5 (1 Mbps 2 GFSK); -126.4 (600 bps GFSK 915 MHz) 8.2 0 28 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 85 QFN48 7x7
ARM Cortex-M4 40 256 32 110 2483.5 -30 20 8.7 -92.5 (1 Mbps 2 GFSK); -126.4 (600 bps GFSK 915 MHz) 8.2 0 28 12-bit, SAR, 1 Msps iDAC 7 AES-128 AES-256 ECC SHA-1 SHA-2 3 2 2 1 1 2 -40 125 QFN48 7x7

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