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EFR32FG22C121F512GM32

Proprietary 2.4 GHz EFR32FG22 SoCs (Series 2)

EFR32FG22C121F512GM32 EFR32FG22 Series 2 wireless SoCs include a 38.4 MHz ARM Cortex-M33 core, providing plenty of processing capability, while integrated security features provide fast encryption, secure boot loading and a debug access control. This device includes 512 kB of flash, 32 kB of RAM and is available in a QFN32 package. With up to 6 dBm maximum power output and an excellent receive sensitivity of -102.1 (250 kbit/s OQPSK) dBm, the EFR32FG22C121F512GM32 provides a robust RF link for reliable communications and industry-leading energy efficiency for electronic shelf label, building automation and industrial wireless sensor applications. EFR32FG22C121F512GM32 devices use the same tools as EFR32FG Series 1, providing easy migration and fast time-to-market with development kits, SDKs, mobile apps and our patented network analyzer.

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Package Type

Temperature Range Max (°C)

Dig I/O Pins

Key Specs

 
MCU Core
ARM Cortex-M33
Core Frequency (MHz)
38.4
TX Power (dBm)
4.1
Flash (kB)
512
RAM (kB)
32
RX Sensitivity
-102.1 (250 kbit/s OQPSK)
Proprietary Sub-GHz
No
Temperature Min
-40
Temperature Max
85
RX Current
3.6
TX Current
4.1
Temperature Sensor
Yes
MCU Core
ARM Cortex-M33
Core Frequency (MHz)
38.4
TX Power (dBm)
4.1
Flash (kB)
512
RAM (kB)
32
RX Sensitivity
-102.1 (250 kbit/s OQPSK)
Proprietary Sub-GHz
No
Temperature Min
-40
Temperature Max
85
RX Current
3.6
TX Current
4.1
Temperature Sensor
Yes
EFR32FG22 Block Daigram

EFR32xG22 Wireless Gecko Starter Kit

The EFR32xG22 Wireless Gecko Starter Kit  (SLWSTK6021A) includes everything developers need to create a connected product and evaluate the EFR32xG22 SoCs.

EFR32xG22 Wireless Gecko Starter Kit

The EFR32xG22 Wireless Gecko Starter Kit  (SLWSTK6021A) includes everything developers need to create a connected product and evaluate the EFR32xG22 SoCs.
MSRP $99.00
Add to Cart
Learn More

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm 5x5, QFN40 Radio Board

The Wireless Gecko SLWRB4182A 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.

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm 5x5, QFN40 Radio Board

The Wireless Gecko SLWRB4182A 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.
MSRP $29.00
Add to Cart
Learn More

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm, 4x4 QFN32 Radio Board

The Wireless Gecko SLWRB4183A 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.

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm, 4x4 QFN32 Radio Board

The Wireless Gecko SLWRB4183A 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.
MSRP $29.00
Add to Cart
Learn More

EFR32xG22 Wireless Gecko Starter Kit

The EFR32xG22 Wireless Gecko Starter Kit  (SLWSTK6021A) includes everything developers need to create a connected product and evaluate the EFR32xG22 SoCs.

EFR32xG22 Wireless Gecko Starter Kit

The EFR32xG22 Wireless Gecko Starter Kit  (SLWSTK6021A) includes everything developers need to create a connected product and evaluate the EFR32xG22 SoCs.
MSRP $99.00
Add to Cart
Learn More

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm 5x5, QFN40 Radio Board

The Wireless Gecko SLWRB4182A 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.

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm 5x5, QFN40 Radio Board

The Wireless Gecko SLWRB4182A 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.
MSRP $29.00
Add to Cart
Learn More

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm, 4x4 QFN32 Radio Board

The Wireless Gecko SLWRB4183A 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.

EFR32xG22 Wireless Gecko 2.4 GHz +6 dBm, 4x4 QFN32 Radio Board

The Wireless Gecko SLWRB4183A 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.
MSRP $29.00
Add to Cart
Learn More

Quality Assurance, Environmental and Packaging Information
Silicon Labs targets a minimum of a 10-year lifecycle for all of its standard products and expects to produce the EFR32FG22C121F512GM32 until at least March 2030.

The longevity date shown above is for the preferred revision of this part number, for a complete list of part number revisions, use the search button below.

As part of its ongoing commitment to supply continuity, Silicon Labs may provide pin-compatible and functionally equivalent replacement products if Silicon Labs determines, at its discretion, that supply chain adjustments, product improvements, market conditions, or similar business or technical issues make this necessary or advisable.

If for business, technical or other reasons beyond Silicon Labs’ reasonable control, Silicon Labs finds that it is necessary to discontinue a product, our policy is to issue an EOL notice that provides 6 months from notice to place final orders and 12 months from notice for final shipments. This policy complies with the JEDEC standard EIA/JESD48 that is commonly used in the semiconductor industry. We provide the required support for a product for its full life cycle.

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