EFR32™ Blue Gecko Bluetooth® Chips (SoCs) for Low Energy and Bluetooth 5

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
  • 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)


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 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 Temperature Range ºC Package Type Package Size
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 0 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 65 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 0 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 31 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 65 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 128 2400 2483.5 -30 10 10 -95 2M PHY ADV Extensions Yes Yes No 8.5 0 31 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 65 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 31 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 10 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 31 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 125 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 65 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -94.8 2M PHY ADV Extensions Yes Yes No 8.5 0 31 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -94.8 2M PHY ADV Extensions Yes Yes Yes 8.5 0 65 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 BGA125 7x7
SLWSTK6020B ARM Cortex-M4 40 1024 256 2400 2483.5 -30 19 10 -95 2M PHY ADV Extensions Yes Yes Yes 8.5 0 31 12-bit, SAR, 1 Msps VDAC Yes Yes 9 Yes Yes Yes Yes Yes No 5 4 4 2 2 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 0 9.5 -103.3 2M PHY LE Long Range ADV Extensions Yes Yes No 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 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 10 9.5 -103.3 2M PHY LE Long Range ADV Extensions Yes Yes No 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 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 10 9.5 -103.3 2M PHY LE Long Range ADV Extensions Yes Yes No 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 -40 125 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 19 9.5 -103.3 2M PHY LE Long Range ADV Extensions Yes Yes No 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 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 512 64 2400 2483.5 -30 19 9.5 -103.3 2M PHY LE Long Range ADV Extensions 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 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 3.5 8.7 -94 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 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 3.5 8.7 -94 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -94 ADV Extensions 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 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -94 ADV Extensions 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 3.5 8.7 -94 ADV Extensions 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 1 Yes 2 -40 125 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 10.5 8.7 -94 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 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 128 32 2400 2483.5 -30 10.5 8.7 -94 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -91 ADV Extensions 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 1 Yes 2 -40 85 WLCSP43 3.3x3.14
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 ADV Extensions 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 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 ADV Extensions 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 ADV Extensions 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 1 Yes 2 -40 125 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 ADV Extensions No Yes No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 ADV Extensions No 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2483.5 2400 10.5 -30 8.7 -94 ADV Extensions No Yes No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 1 Yes 2 -40 125 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 10.5 8.7 -94 ADV Extensions No 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 1 Yes 2 -40 125 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 169 2483.5 -30 10.5 8.7 -94 ADV Extensions No Yes Yes 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -92.5 ADV Extensions No Yes No 8.2 0 19 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 1 Yes 2 -40 85 WLCSP43 3.3x3.14
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -94 ADV Extensions No Yes No 8.2 0 16 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 19.5 8.7 -94 ADV Extensions No 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 169 2483.5 -30 20 8.7 -94 ADV Extensions No Yes Yes 8.2 0 31 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 169 2483.5 -30 20 8.7 -94 ADV Extensions Yes Yes Yes 8.2 0 28 12-bit, SAR, 1 Msps iDAC Yes Yes 7 Yes Yes Yes Yes Yes No 3 2 2 1 1 Yes 2 -40 125 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 128 16 2400 2483.5 -30 0 8.7 -94 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 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 128 16 2400 2483.5 -30 0 8.7 -94 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 2400 2483.5 -30 0 8.7 -91 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 1 Yes 2 -40 85 WLCSP43 3.3x3.14
SLWSTK6020B ARM Cortex-M4 40 256 16 2400 2483.5 -30 0 8.7 -94 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 1 Yes 2 -40 85 QFN32 5x5
SLWSTK6020B ARM Cortex-M4 40 256 16 2400 2483.5 -30 0 8.7 -94 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 1 Yes 2 -40 85 QFN48 7x7
SLWSTK6020B ARM Cortex-M4 40 256 32 169 2483.5 -30 20 8.7 -94 No 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 1 Yes 2 -40 125 QFN48 7x7
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