EFR32™ Blue Gecko Bluetooth® Low Energy SoCs

Quickly deliver Bluetooth Low Energy or Bluetooth mesh connectivity with Silicon Labs Blue Gecko energy-friendly SoCs. In addition to Bluetooth connectivity, chips in the family also include the option to add 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.

Features

Bluetooth Low Energy Radio

  • Compatible With Bluetooth 5 and Bluetooth mesh specification
  • Integrated BALUN & Power Amplifier
  • Excellent Receive Sensitivity: - 103.3 dBm @ 125 kbps GFSK (select devices)
  • Programmable Output Power: +19 dBm
  • Active-mode RX: 9.5 mA
  • Active-mode TX at 0 dBm: 8.5 mA
  • Low Power Radio features include RFSENSE

Integrated 2.4 GHz & Sub-GHz Radio (select devices)

  • 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, 270 µA)
  • Current DAC (4-bit, Current Source or Sink)
  • Up to 2 X Voltage DAC
  • Up to 3 X Operational Amplifier
  • Low-Energy Sensor Interface (select devices)
  • Multi-Channel Capacitive Sense Interface (select devices)
  • Up to 4 X Analog Comparator
  • Low Energy UART
  • Up to 4 X USART (UART, SPI, IrDA, I2S)
  • Up to 2 X I²C (Address recognition down to EM3)
  • Timers : RTCC, LE Timer & Pulse Counter
  • 12-channel Peripheral Reflex System
  • Precision Low Frequency Oscillator (select devices) - replaces external 32 kHz crystal
  • Up to 65 GPIO

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 1 MB of Programmable Flash
  • Up to 256 kB SRAM

Package Options

  • QFN48 (7 mm x 7 mm)
  • QFN32 (5 mm x 5 mm)
  • WLCSP43 (3.3 mm x 3.14 mm)
  • BGA125 (7 mm x 7 mm)

Getting Started with Blue Gecko Bluetooth Low Energy SoCs

Blue Gecko Bluetooth Low Energy SoC Wireless Starter Kit

The easiest way to begin development with Blue Gecko Bluetooth Low Energy ICs is with the Bluetooth Low Energy Wireless SoC Starter Kit.

Add to Cart


Bluetooth Low Energy SoCs Product Matrix

Common Specifications

MCU Core: ARM Cortex-M4

Core Frequency (MHz): 40

Temp Sensor: Yes

RTC: Yes

ADC 1: 12-bit, SAR, 1 Msps

Comparators: 2

Devices
Part Number Data Sheet Dev Kit MCU Core Core Frequency (MHz) Flash (kB) RAM (kB) Frequency Range (MHz) Output Power Range (dBm) RX Current Receive Sensitivity Bluetooth 5 Bluetooth Mesh Proprietary 2.4 GHz Proprietary Sub-GHz Integrated 32 kHz Clock TX Current A TX Current A dBm Dig I/O Pins ADC 1 DAC Cap Sense Temp Sensor Timers (16-bit) AES-128 AES-256 ECC SHA-1 SHA-2 RSA-2048 UART USART SPI I2C I2S RTC Comparators Package Type Package Size
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 0 10 -95 2M PHY Advertising Yes Yes No No 8.5 0 65 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 0 10 -95 2M PHY Advertising Yes Yes No Yes 8.5 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -95 2M PHY Advertising Yes Yes No No 8.5 0 65 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -95 2M PHY Advertising Yes Yes No No 8.5 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -95 2M PHY Advertising Yes Yes No No 8.5 0 65 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -95 2M PHY Advertising Yes Yes No No 8.5 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -95 2M PHY Advertising Yes Yes No No 8.5 0 65 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -95 2M PHY Advertising Yes Yes No No 8.5 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -95 2M PHY Advertising Yes Yes Yes No 8.5 0 65 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -95 2M PHY Advertising Yes Yes Yes No 8.5 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 4 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 0 9.5 -103.3 2M PHY LE Long Range Advertising Yes Yes No Yes 8.5 0 31 12-bit, SAR, 1 Msps 2x 12-bit, 33-ch., 500 ksps Yes Yes 8 Yes Yes Yes Yes Yes No 4 3 3 2 3 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 10 9.5 -103.3 2M PHY LE Long Range Advertising Yes Yes No Yes 8.5 0 31 12-bit, SAR, 1 Msps 2x 12-bit, 33-ch., 500 ksps Yes Yes 8 Yes Yes Yes Yes Yes No 4 3 3 2 3 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 19 9.5 -103.3 2M PHY LE Long Range Advertising Yes Yes No Yes 8.5 0 31 12-bit, SAR, 1 Msps 2x 12-bit, 33-ch., 500 ksps Yes Yes 8 Yes Yes Yes Yes Yes No 4 3 3 2 3 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 19 9.5 -103.3 2M PHY LE Long Range Advertising Yes Yes Yes Yes 8.5 0 31 12-bit, SAR, 1 Msps 2x 12-bit, 33-ch., 500 ksps Yes Yes 8 Yes Yes Yes Yes Yes No 4 3 3 2 3 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 3.5 8.7 -94 Advertising Yes No No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 3.5 8.7 -94 Advertising Yes No No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -94 Advertising Yes No No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -94 Advertising Yes No No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 10.5 8.7 -94 Advertising Yes No No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 10.5 8.7 -94 Advertising Yes No No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -91 Advertising Yes No No No 8.2 0 19 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 WLCSP43 3.3x3.14
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 Advertising Yes No No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 Advertising Yes No No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 Advertising Yes Yes No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 Advertising Yes Yes No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 169 2483.5 -30 10.5 8.7 -94 Advertising Yes Yes Yes No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -92.5 Advertising Yes No No No 8.2 0 19 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 WLCSP43 3.3x3.14
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -94 Advertising Yes Yes No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -94 Advertising Yes Yes No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 169 2483.5 -30 20 8.7 -94 Advertising Yes Yes Yes No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 128 16 2400 2483.5 -30 0 8.7 -94 Advertising Yes No No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 128 16 2400 2483.5 -30 0 8.7 -94 Advertising Yes No No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 0 8.7 -91 Advertising Yes No No No 8.2 0 19 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 WLCSP43 3.3x3.14
SLWSTK6020B ARM Cortex-M4 40 256 16 2400 2483.5 -30 0 8.7 -94 Advertising Yes No No No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 16 2400 2483.5 -30 0 8.7 -94 Advertising Yes No No No 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 2 Yes 2 QFN48 7x7
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