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End Of Life: The End of Life (EOL) and Last Time Buy (LTB) has been announced for this part. In its place we recommend:
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EFR32MG21B020F512IM32
Zigbee and Thread EFR32MG21 SoCs (Series 2)
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EFR32MG14P732F256IM48

Zigbee and Thread EFR32MG14 SoCs (Series 1)

The EFR32MG14P732F256IM48 includes a 40 MHz ARM Cortex-M4 microcontroller (MCU) with 256 Flash, 32 RAM and a rich peripheral set in a QFN48 package. With 19 dBm maximum output power and receive sensitivity of -102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz) the device provides an excellent link budget for greater range and reliable RF communications. Built with low-power Gecko technology, which includes innovative low energy techniques, fast wake-up times and energy saving modes, the EFR32MG14P732F256IM48 reduces overall power consumption and maximizes battery life. The EFR32MG14P732F256IM48 includes wireless networking stacks for Zigbee, Thread, and Bluetooth Low Energy. The device also includes support for proprietary wireless protocol development.

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Key Specs

 
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
Flash (kB)
256
RAM (kB)
32
Receive Sensitivity
-102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz)
Max Output Power
19
GPIO
31
Temperature (Min)
-40
Temperature (Max)
125
Package Type
QFN48
Zigbee Capable
Yes
Thread Capable
Yes
Bluetooth Low Energy Capable
Yes
2.4 GHz Capable
Yes
Sub-GHz Capable
No
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
Flash (kB)
256
RAM (kB)
32
Receive Sensitivity
-102.7 dBm (250 kbps DSSS-OQPSK 2.4 GHz)
Max Output Power
19
GPIO
31
Temperature (Min)
-40
Temperature (Max)
125
Package Type
QFN48
Zigbee Capable
Yes
Thread Capable
Yes
Bluetooth Low Energy Capable
Yes
2.4 GHz Capable
Yes
Sub-GHz Capable
No
EFR32xG14 Block Diagram

EFR32MG Zigbee and Thread Starter Kit

The EFR32MG Wireless Starter Kit includes Zigbee and Thread software stacks, sample code, and integrated debug adapter. Multiple radio boards enable developers to create a mesh network and evaluate the EFR32MG Modules and SoCs.

EFR32MG Zigbee and Thread Starter Kit

The EFR32MG Wireless Starter Kit includes Zigbee and Thread software stacks, sample code, and integrated debug adapter. Multiple radio boards enable developers to create a mesh network and evaluate the EFR32MG Modules and SoCs.
MSRP $561.00
Add to Cart
Learn More

EFR32MG Zigbee and Thread Starter Kit

The EFR32MG Wireless Starter Kit includes Zigbee and Thread software stacks, sample code, and integrated debug adapter. Multiple radio boards enable developers to create a mesh network and evaluate the EFR32MG Modules and SoCs.

EFR32MG Zigbee and Thread Starter Kit

The EFR32MG Wireless Starter Kit includes Zigbee and Thread software stacks, sample code, and integrated debug adapter. Multiple radio boards enable developers to create a mesh network and evaluate the EFR32MG Modules and SoCs.
MSRP $561.00
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 EFR32MG14P732F256IM48 until at least September 2025.

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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