Silicon Labs Datasheets

EFR32FG28B312F1024IM68-A

Silicon Labs

Dual-band Sub-GHz (14 dBm) + 2.4 GHz BLE (10 dBm) wireless SoC with 78 MHz Cortex-M33, 1024 kB flash, 256 kB RAM, Secure Vault High and Matrix Vector Processor in QFN68.

EFR32FG28B320F1024IM48-A

Silicon Labs

Sub-GHz wireless SoC with 78 MHz Arm Cortex-M33, 1024 kB flash, 256 kB RAM, up to +20 dBm Sub-GHz PA, Matrix Vector Processor and Secure Vault High, in QFN48 package

EFR32FG28B320F1024IM68-A

Silicon Labs

Sub-GHz wireless SoC with 78 MHz ARM Cortex-M33, 1024 kB flash, 256 kB RAM, 20 dBm Sub-GHz PA, Secure Vault High and Matrix Vector Processor, in a QFN68 package, rated -40 to 125 °C

EFR32FG28B322F1024IM48-A

Silicon Labs

Dual-band Sub-GHz + 2.4 GHz BLE wireless SoC with 78 MHz ARM Cortex-M33, 1024 kB flash, 256 kB RAM, Matrix Vector Processor and Secure Vault High, in a QFN48 package.

EFR32FG28B322F1024IM68-A

Silicon Labs

Dual-band Sub-GHz + 2.4 GHz BLE wireless SoC with 78 MHz Arm Cortex-M33, 1024 kB flash, 256 kB RAM, Matrix Vector Processor and Secure Vault High, rated -40 to 125 C.

EFR32MG1P232F256GM32

Silicon Labs

2.4 GHz multi-protocol (Zigbee, Thread, Bluetooth LE) wireless SoC with 40 MHz ARM Cortex-M4, 256 kB flash, 32 kB RAM and +19 dBm integrated PA

EFR32MG1P232F256GM48

Silicon Labs

Mighty Gecko 2.4 GHz multi-protocol (Zigbee, Thread, Bluetooth LE) wireless SoC with 40 MHz ARM Cortex-M4, 256 kB flash, 32 kB RAM and integrated 19 dBm PA

EFR32MG1P232F256GM48-C0

Silicon Labs

RF System on a Chip - SoC Mighty Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, 19.5 dBm, QFN-48, mesh, BLE, proprietary

EFR32MG1P232F256IM48

Silicon Labs

Mighty Gecko multi-protocol 2.4 GHz wireless SoC with 40 MHz ARM Cortex-M4, 256 kB flash and 32 kB RAM supporting Zigbee, Thread and Bluetooth Low Energy, with up to 19 dBm TX power, extended -40 to +125°C grade.

EFR32MG1P232F256IM48-C0

Silicon Labs

RF System on a Chip - SoC Mighty Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, 19.5 dBm, QFN-48, mesh, BLE, proprietary

EFR32MG1P233F230GIVI40-CU

Silicon Labs

Mighty Gecko multi-protocol 2.4 GHz and Sub-GHz wireless SoC with 40 MHz ARM Cortex-M4, 256 kB flash and 32 kB RAM, supporting Zigbee, Thread and Bluetooth Low Energy.

EFR32MG1P233F256GM48

Silicon Labs

Mighty Gecko multi-protocol wireless SoC with 40 MHz ARM Cortex-M4, 256 kB flash and 32 kB RAM, supporting Zigbee, Thread and Bluetooth Low Energy with 2.4 GHz and Sub-GHz radios

EFR32MG1P233F256IM48

Silicon Labs

Mighty Gecko multi-protocol wireless SoC with 40 MHz ARM Cortex-M4, 256 kB flash and 32 kB RAM, dual-band 2.4 GHz and Sub-GHz radio supporting Zigbee, Thread, Bluetooth Low Energy and proprietary protocols; extended -40 to +125°C grade.

EFR32MG1P233F256IM48-C0

Silicon Labs

Mighty Gecko multi-protocol wireless SoC with 40 MHz ARM Cortex-M4, 256 kB flash and 32 kB RAM, supporting Zigbee, Thread, Bluetooth LE and proprietary protocols in 2.4 GHz and Sub-GHz bands

EFR32MG21

Silicon Labs

2.4 GHz multiprotocol wireless SoC with an 80 MHz ARM Cortex-M33 core supporting Bluetooth Low Energy, Zigbee and Thread, with up to 1024 kB flash and 96 kB RAM

EFR32MG21A010F1024IM32

Silicon Labs

Energy-efficient multiprotocol wireless SoC combining an 80 MHz ARM Cortex-M33 with a high performance 2.4 GHz radio for IoT devices.

EFR32MG21A010F1024IM32-B

Silicon Labs

2.4 GHz multiprotocol wireless SoC with 80 MHz ARM Cortex-M33, 1024 kB flash and 96 kB RAM supporting Bluetooth 5.1, Zigbee and Thread, with 10 dBm max TX power

EFR32MG21A010F512IM32-B

Silicon Labs

EFR32MG21 Mighty Gecko 2.4 GHz multiprotocol wireless SoC with 80 MHz ARM Cortex-M33, 512 kB flash and 64 kB RAM supporting Bluetooth 5.1, Zigbee and Thread, 10 dBm max TX power

EFR32MG21A010F768IM32-B

Silicon Labs

EFR32MG21 Mighty Gecko 2.4 GHz multiprotocol wireless SoC with 80 MHz ARM Cortex-M33, supporting Bluetooth 5.1, Zigbee and Thread, 768 kB flash and 64 kB RAM, 10 dBm max TX power

EFR32MG21A020F1024IM32-B

Silicon Labs

Mighty Gecko 2.4 GHz multiprotocol wireless SoC with 80 MHz ARM Cortex-M33, 1024 kB flash, 96 kB RAM and up to 20 dBm TX power supporting Bluetooth LE, Zigbee and Thread

EFR32MG21A020F512IM32-B

Silicon Labs

2.4 GHz multiprotocol wireless SoC with 80 MHz ARM Cortex-M33, 512 kB flash, 64 kB RAM and up to 20 dBm TX power supporting Bluetooth 5.1, Zigbee and Thread

EFR32MG21A020F768IM32-B

Silicon Labs

2.4 GHz multiprotocol wireless SoC with 80 MHz ARM Cortex-M33, 768 kB flash, 64 kB RAM and up to 20 dBm TX power supporting Bluetooth 5.1, Zigbee and Thread

EFR32MG22

Silicon Labs

EFR32MG22 Mighty Gecko series wireless SoC family from Silicon Labs; this document is a product change notification announcing datasheet revisions (EFR32MG22 v1.3) and does not contain electrical specifications.

EFR32MG22E

Silicon Labs

EFR32MG22E series Mighty Gecko wireless SoC family (Zigbee/Thread/multiprotocol); the provided document is a Silicon Labs datasheet update bulletin (Oct 30, 2024) listing EFR32MG22E v1.1 among revised datasheets.

EFR32MG24

Silicon Labs

2.4 GHz wireless SoC with 78 MHz Cortex-M33, up to 1536 kB flash and 256 kB RAM, Secure Vault, and AI/ML accelerator for Matter, OpenThread, Zigbee and BLE mesh IoT.

EFR32MG24A010F1024

Silicon Labs

2.4 GHz wireless SoC with 78 MHz ARM Cortex-M33, 1024 kB flash and 128 kB RAM, 10 dBm PA, Secure Vault Mid, for Matter, OpenThread, Zigbee and Bluetooth LE

EFR32MG24A010F1024IM48

Silicon Labs

Wireless SoC supporting BLE and Zigbee with Secure Vault features.

EFR32MG24A010F1536

Silicon Labs

2.4 GHz multiprotocol wireless SoC with 78 MHz Cortex-M33, 1536 kB flash, 192 kB RAM, 10 dBm PA and Secure Vault Mid, supporting Matter, OpenThread, Zigbee and Bluetooth LE 5.3

EFR32MG24A020F1024

Silicon Labs

2.4 GHz wireless SoC with 78 MHz ARM Cortex-M33, up to +19.5 dBm TX power and Secure Vault Mid, supporting Matter, OpenThread, Zigbee and Bluetooth LE 5.3

EFR32MG24A020F1536

Silicon Labs

2.4 GHz wireless SoC with 78 MHz ARM Cortex-M33, up to 1536 kB flash, +19.5 dBm output power and Secure Vault Mid, supporting Matter, OpenThread, Zigbee and Bluetooth LE.