EFR32MG21B020F768IM32
SPECS
Key Specs
|
MCU Core
ARM Cortex-M33
|
Core Frequency (MHz)
80
|
Flash (kB)
768
|
||
|
RAM (kB)
64
|
Secure Vault
Yes
|
Max Output Power
20
|
||
|
GPIO
20
|
Temperature (Min)
-40
|
Temperature (Max)
125
|
||
|
Package Type
QFN32
|
Zigbee Capable
Yes
|
Thread Capable
Yes
|
||
|
Bluetooth Low Energy Capable
No
|
2.4 GHz Capable
No
|
Sub-GHz Capable
No
|
||
|
MCU Core
ARM Cortex-M33
|
|
Core Frequency (MHz)
80
|
|
Flash (kB)
768
|
|
RAM (kB)
64
|
|
Secure Vault
Yes
|
|
Max Output Power
20
|
|
GPIO
20
|
|
Temperature (Min)
-40
|
|
Temperature (Max)
125
|
|
Package Type
QFN32
|
|
Zigbee Capable
Yes
|
|
Thread Capable
Yes
|
|
Bluetooth Low Energy Capable
No
|
|
2.4 GHz Capable
No
|
|
Sub-GHz Capable
No
|
EFR32xG21 Wireless Gecko Starter Kit
The EFR32xG21 Wireless Gecko Starter Kit (SLWSTK6006A) includes everything needed to enable developers to create a mesh network and evaluate the EFR32xG21A with Secure Element and the EFR32xG21B with Secure Vault Series 2 Wireless Gecko SoCs. This kit provides the common baseboard and comes with 6 xG21A modules (SLWRB418xA). If you want to evaluate the EFR32xG21B you must buy the xG21B modules (SLWRB4181C +10 dBm) separately.
EFR32xG21 Wireless Gecko Starter Kit
The EFR32xG21 Wireless Gecko Starter Kit (SLWSTK6006A) includes everything needed to enable developers to create a mesh network and evaluate the EFR32xG21A with Secure Element and the EFR32xG21B with Secure Vault Series 2 Wireless Gecko SoCs. This kit provides the common baseboard and comes with 6 xG21A modules (SLWRB418xA). If you want to evaluate the EFR32xG21B you must buy the xG21B modules (SLWRB4181C +10 dBm) separately.
EFR32xG21 Bluetooth Starter Kit
The EFR32xG21 Bluetooth Starter Kit supports Bluetooth 5.1 and comes ready to connect to your phone via the Silicon Labs Bluetooth LE mobile app. This Kit comes with an EFR32xG21A with Secure Element 2.4 GHz wireless SOC is optimized for line-powered BLE and Bluetooth mesh applications, including connected lighting, smart plugs, gateways, and voice assistants. Optionally, if you want to evaluate the EFR32xG21B with Secure Vault, you can purchase an xG21B module (SLWRB4181C +10 dBm) separately.
EFR32xG21 Bluetooth Starter Kit
The EFR32xG21 Bluetooth Starter Kit supports Bluetooth 5.1 and comes ready to connect to your phone via the Silicon Labs Bluetooth LE mobile app. This Kit comes with an EFR32xG21A with Secure Element 2.4 GHz wireless SOC is optimized for line-powered BLE and Bluetooth mesh applications, including connected lighting, smart plugs, gateways, and voice assistants. Optionally, if you want to evaluate the EFR32xG21B with Secure Vault, you can purchase an xG21B module (SLWRB4181C +10 dBm) separately.
EFR32xG21A Wireless Gecko 2.4 GHz +20 dBm Radio Board
The Wireless Gecko SLWRB4180A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21A Wireless Gecko 2.4 GHz +20 dBm Radio Board
The Wireless Gecko SLWRB4180A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21A Wireless Gecko 2.4 GHz +10 dBm Radio Board
The Wireless Gecko SLWRB4181A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21A Wireless Gecko 2.4 GHz +10 dBm Radio Board
The Wireless Gecko SLWRB4181A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21B Wireless Gecko 2.4 GHz +10 dBm Radio Board with Secure Vault
The Wireless Gecko SLWRB4181C wireless radio board plugs into the Main Board provided with the EFR32xG21 Wireless Gecko Starter Kit or the EFR32xG21 Bluetooth Starter Kit and must be purchased separately from either of those kits. The starter kits include access to Zigbee, Thread, and Bluetooth software stacks with the highest level of IoT security provided by Secure Vault.
EFR32xG21B Wireless Gecko 2.4 GHz +10 dBm Radio Board with Secure Vault
The Wireless Gecko SLWRB4181C wireless radio board plugs into the Main Board provided with the EFR32xG21 Wireless Gecko Starter Kit or the EFR32xG21 Bluetooth Starter Kit and must be purchased separately from either of those kits. The starter kits include access to Zigbee, Thread, and Bluetooth software stacks with the highest level of IoT security provided by Secure Vault.
You might also be interested in
TECH DOCS
SOFTWARE & TOOLS
EFR32xG21 Wireless Gecko Starter Kit
The EFR32xG21 Wireless Gecko Starter Kit (SLWSTK6006A) includes everything needed to enable developers to create a mesh network and evaluate the EFR32xG21A with Secure Element and the EFR32xG21B with Secure Vault Series 2 Wireless Gecko SoCs. This kit provides the common baseboard and comes with 6 xG21A modules (SLWRB418xA). If you want to evaluate the EFR32xG21B you must buy the xG21B modules (SLWRB4181C +10 dBm) separately.
EFR32xG21 Wireless Gecko Starter Kit
The EFR32xG21 Wireless Gecko Starter Kit (SLWSTK6006A) includes everything needed to enable developers to create a mesh network and evaluate the EFR32xG21A with Secure Element and the EFR32xG21B with Secure Vault Series 2 Wireless Gecko SoCs. This kit provides the common baseboard and comes with 6 xG21A modules (SLWRB418xA). If you want to evaluate the EFR32xG21B you must buy the xG21B modules (SLWRB4181C +10 dBm) separately.
EFR32xG21 Bluetooth Starter Kit
The EFR32xG21 Bluetooth Starter Kit supports Bluetooth 5.1 and comes ready to connect to your phone via the Silicon Labs Bluetooth LE mobile app. This Kit comes with an EFR32xG21A with Secure Element 2.4 GHz wireless SOC is optimized for line-powered BLE and Bluetooth mesh applications, including connected lighting, smart plugs, gateways, and voice assistants. Optionally, if you want to evaluate the EFR32xG21B with Secure Vault, you can purchase an xG21B module (SLWRB4181C +10 dBm) separately.
EFR32xG21 Bluetooth Starter Kit
The EFR32xG21 Bluetooth Starter Kit supports Bluetooth 5.1 and comes ready to connect to your phone via the Silicon Labs Bluetooth LE mobile app. This Kit comes with an EFR32xG21A with Secure Element 2.4 GHz wireless SOC is optimized for line-powered BLE and Bluetooth mesh applications, including connected lighting, smart plugs, gateways, and voice assistants. Optionally, if you want to evaluate the EFR32xG21B with Secure Vault, you can purchase an xG21B module (SLWRB4181C +10 dBm) separately.
EFR32xG21A Wireless Gecko 2.4 GHz +20 dBm Radio Board
The Wireless Gecko SLWRB4180A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21A Wireless Gecko 2.4 GHz +20 dBm Radio Board
The Wireless Gecko SLWRB4180A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21A Wireless Gecko 2.4 GHz +10 dBm Radio Board
The Wireless Gecko SLWRB4181A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21A Wireless Gecko 2.4 GHz +10 dBm Radio Board
The Wireless Gecko SLWRB4181A wireless radio board plugs into the Main Board provided with the Wireless Gecko Starter Kit. The starter kit includes access to Zigbee, Thread, and Bluetooth software stacks.
EFR32xG21B Wireless Gecko 2.4 GHz +10 dBm Radio Board with Secure Vault
The Wireless Gecko SLWRB4181C wireless radio board plugs into the Main Board provided with the EFR32xG21 Wireless Gecko Starter Kit or the EFR32xG21 Bluetooth Starter Kit and must be purchased separately from either of those kits. The starter kits include access to Zigbee, Thread, and Bluetooth software stacks with the highest level of IoT security provided by Secure Vault.
EFR32xG21B Wireless Gecko 2.4 GHz +10 dBm Radio Board with Secure Vault
The Wireless Gecko SLWRB4181C wireless radio board plugs into the Main Board provided with the EFR32xG21 Wireless Gecko Starter Kit or the EFR32xG21 Bluetooth Starter Kit and must be purchased separately from either of those kits. The starter kits include access to Zigbee, Thread, and Bluetooth software stacks with the highest level of IoT security provided by Secure Vault.
QUALITY & PACKAGING
Find quality, environmental, shipping, and supply chain information for Silicon Labs devices. You can also download the following environmental documents for each part number: Detailed Device Composition (MDDS), IPC 1752-2 Class 6 (XML format), RoHS Certificate of Compliance, ICP test reports, Halogen-Free Certificate of Compliance, PFOS/PFOA Certificate of Compliance, and REACH Declaration.
COMMUNITY & SUPPORT
Featured Knowledge Base Articles
User Forums
Browse technical questions, share your ideas, and learn more about our latest solutions.
Search the forums