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EFR32BG21A020F1024IM32

Bluetooth Low Energy EFR32BG21 SoCs (Series 2)

EFR32BG21A020F1024IM32 EFR32BG21 Series 2 wirelss SoCs include a 80 MHz ARM Cortex-M33 core, providing plenty of processing capability, while a dedicated security core provides fast encryption, secure boot loading and a debug access control. This device includes 1024 kB of flash, 96 kB of RAM and is available in a QFN32 package. With up to 20 dBm maximum power output and an excellent receive sensitivity of -97.1 (1 Mbit/s GFSK) dBm, the EFR32BG21A020F1024IM32 provides a robust RF link for reliable communications for Bluetooth 5.4 and Bluetooth mesh applications. EFR32BG21A020F1024IM32 devices use the same tools as EFR32BG Series 1, providing easy migration and fast time-to-market with development kits, SDKs, mobile apps and our patented network analyzer.

 

Key Specs

 
MCU Core
ARM Cortex-M33
Core Frequency (MHz)
80
TX Power (dBm)
20
Flash (kB)
1024
RAM (kB)
96
Bluetooth 5 - 2M PHY
Yes
Bluetooth 5 - LE Long Range
Yes
Bluetooth Mesh
Yes
Sub-GHz Capable
No
Package Type
QFN32
Dig I/O Pins
20
Secure Vault
Base
MCU Core
ARM Cortex-M33
Core Frequency (MHz)
80
TX Power (dBm)
20
Flash (kB)
1024
RAM (kB)
96
Bluetooth 5 - 2M PHY
Yes
Bluetooth 5 - LE Long Range
Yes
Bluetooth Mesh
Yes
Sub-GHz Capable
No
Package Type
QFN32
Dig I/O Pins
20
Secure Vault
Base
EFR32BG21 Block Diagram

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 EFR32BG21A020F1024IM32 until at least April 2029.

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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