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EFR32BG12 Bluetooth® Chips (SoCs) for Low Energy and Bluetooth 5 and Bluetooth 5.1

Quickly deliver Bluetooth Low Energy or Bluetooth mesh connectivity with our EFR32BG12 Series 1 energy-friendly SoCs with feature rich peripherals, more available memory and a variety of package options with up to 65 GPIO. In addition to Bluetooth connectivity, EFR32BG12 devices include the option to add multiprotocol sub-GHz and 2.4 GHz. Take advantage of a Bluetooth SDK and Simplicity Studio development tools that support module-based and discrete circuit designs.

Protocol support
Bluetooth 5.2 Mbps PHY
Flash
Up to 1024 kB

EFR32BG12 Common Specs

Bluetooth Low Energy Radio

  • Compatible With Bluetooth 5, Bluetooth 5.1 and Bluetooth mesh specification
  • Integrated BALUN & Power Amplifier
  • Excellent Receive Sensitivity: -94.8 dBm sensitivity @ 1 Mbit/s GFSK
  • Programmable Output Power: +19 dBm
  • Active-mode RX: 10 mA
  • Active-mode TX: 8.5 mA @ 0 dBm
  • Low Power Radio features include RFSENSE

Integrated 2.4 GHz & Sub-GHz Radio

  • Ideal for proprietary protocols, wireless M-BUS and Low Power Wide Area Network applications
  • Supported Modulations: GFSK, 2-FSK/4-FSK, OQPSK, DSSS, FEC, BPSK/DBSK, OOK/ASK
  • Integrated 2.4 GHz BALUN & Power Amplifier
  • Excellent Receive Sensitivity: - 120.6 dBm (2.4 kbps, 868 MHz)
  • Programmable Output Power: +20 dBm
  • Active-mode RX, 868 MHz: 8.6 mA
  • Active-mode TX at 14 dBm, 868 MHz: 35.3 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)
  • 2 X Voltage DAC
  • 3 X Operational Amplifier
  • Low-Energy Sensor Interface
  • Multi-Channel Capacitive Sense Interface
  • 2 X Analog Comparator
  • Low Energy UART
  • 4 X USART (UART, SPI, IrDA, I2S)
  • 2 X I²C (Address recognition down to EM3)
  • Timers : RTCC, LE Timer & Pulse Counter
  • 12-channel Peripheral Reflex System
  • Up to 65 GPIO
  • PTA (Packet Traffic Arbitration) for Wi-Fi Coexistence

Energy Efficient Low Power Modes

  • Energy Mode 2 (Deep Sleep) Current: 1.5 µA
  • Ultra-fast wake up: 3 µS from EM3
  • Wide Supply Voltage range of 1.8 to 3.8 V

Powerful MCU & Memory Options

  • ARM® Cortex®-M4 + Floating-Point Unit
  • Up to 40 MHz Clock Speed
  • Low Active Mode Current: 70 µA/MHz
  • Up to 1024 kB of Programmable Flash
  • Up to 256 kB RAM

Package Options

  • BGA125 (7 mm x 7 mm)
  • QFN68 (8 mm x 8 mm)
  • QFN48 (7 mm x 7 mm)
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Status

Find the Right EFR32BG12 Device Select Columns
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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)
EFR32BG12P132F1024GL125
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ARM Cortex-M4 40 1024 128 2400 2483.5 -30 0 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 65 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 BGA125 7x7
EFR32BG12P132F1024GM48
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ARM Cortex-M4 40 1024 128 2400 2483.5 -30 0 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 31 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN48 7x7
EFR32BG12P232F1024GL125
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ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 65 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 BGA125 7x7
EFR32BG12P232F1024GM48
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ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 31 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN48 7x7
EFR32BG12P232F1024GM68
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ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 46 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN68 8x8
EFR32BG12P232F1024IM68
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ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 46 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 125 QFN68 8x8
EFR32BG12P232F512GM68
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ARM Cortex-M4 40 512 64 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 46 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN68 8x8
EFR32BG12P232F512IM68
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ARM Cortex-M4 40 512 64 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 46 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 125 QFN68 8x8
EFR32BG12P332F1024GL125
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ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 65 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 BGA125 7x7
EFR32BG12P332F1024GM48
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ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 31 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN48 7x7
EFR32BG12P332F1024IM48
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ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 31 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 125 QFN48 7x7
EFR32BG12P432F1024GL125
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ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 65 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 BGA125 7x7
EFR32BG12P432F1024GM48
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ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -94.8 (1 Mbps 2 GFSK) 9.5 0 31 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN48 7x7
EFR32BG12P433F1024GL125
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ARM Cortex-M4 40 1024 256 110 2483.5 -30 19 10 -94.8 (1 Mbps 2 GFSK); -126.2 (600 bps GFSK 915 MHz) 9.5 0 65 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 BGA125 7x7
EFR32BG12P433F1024GM48
Buy Dev Kit
ARM Cortex-M4 40 1024 256 110 2483.5 -30 19 10 -94.8 (1 Mbps 2 GFSK); -126.2 (600 bps GFSK 915 MHz) 9.5 0 28 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN48 7x7
EFR32BG12P433F1024GM68
Buy Sample Dev Kit
ARM Cortex-M4 40 1024 256 110 2483.5 -30 19 10 -94.8 (1 Mbps 2 GFSK); -126.2 (600 bps GFSK 915 MHz) 9.5 0 46 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 85 QFN68 8x8
EFR32BG12P433F1024IM68
Buy Dev Kit
ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -94.8 (1 Mbps 2 GFSK); -126.2 (600 bps GFSK 915 MHz) 9.5 0 46 12-bit, SAR, 1 Msps VDAC 9 AES-128 AES-256 ECC SHA-1 SHA-2 5 4 4 2 2 2 -40 125 QFN68 8x8
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      EFR32BG12 Bluetooth +10 dBm Radio Board

      The EFR32BG12 SLWRB4103A wireless radio board plugs into the mainboard provided with the EFR32BG SoC Starter Kit.

      EFR32BG12 Bluetooth +10 dBm Radio Board

      The EFR32BG12 SLWRB4103A wireless radio board plugs into the mainboard provided with the EFR32BG SoC Starter Kit.
      MSRP $49.00
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