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EFR32BG1B232F256GJ43

Bluetooth Low Energy EFR32BG1 SoCs (Series 1)

EFR32BG1B232F256GJ43 Bluetooth low energy chips include a 40 MHz ARM Cortex-M4 microcontroller and provide a 10.5 dBm maximum power output. With a receive sensitivity of -92.5 (1 Mbps 2 GFSK) dBm the EFR32BG1B232F256GJ43 supports a full DSP instruction set and floating-point unit to speed computation. Built with low-power Gecko technology, which includes innovative low energy techniques, fast wake-up times and energy saving modes, this device includes 256 kB of flash, 32 kB of RAM and is available in a WLCSP43 package. Software and SDKs for EFR32BG1B232F256GJ43 include support for Bluetooth Low Energy (LE), Bluetooth 5 and Bluetooth mesh networking.

 
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Output Power Max (dBm)

Key Specs

 
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
TX Power (dBm)
0
Flash (kB)
256
RAM (kB)
32
Bluetooth 5 - 2M PHY
No
Bluetooth 5 - LE Long Range
No
Bluetooth Mesh
No
Sub-GHz Capable
No
Package Type
WLCSP43
Dig I/O Pins
19
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
TX Power (dBm)
0
Flash (kB)
256
RAM (kB)
32
Bluetooth 5 - 2M PHY
No
Bluetooth 5 - LE Long Range
No
Bluetooth Mesh
No
Sub-GHz Capable
No
Package Type
WLCSP43
Dig I/O Pins
19
EFR32xG1 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 EFR32BG1B232F256GJ43 until at least March 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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