Not Recommended for New Designs: This part is Not Recommended for New Designs (NRND). For newer designs, we recommend you use:
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EFR32MG1P133F256GM48

Zigbee and Thread EFR32MG1 SoCs (Series 1)

The EFR32MG1P133F256GM48 includes a 40 MHz ARM Cortex-M4 microcontroller with 256 Flash, 32 RAM and a rich peripheral set in a QFN48 package. With 16.5 dBm maximum output power and receive sensitivity of -101 dBm (250 kbps O-QPSK DSSS) 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 EFR32MG1P133F256GM48 reduces overall power consumption and maximizes battery life. The EFR32MG1P133F256GM48 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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Output Power Max (dBm)

Total Link Budget (dB)

Key Specs

 
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
Flash
256
RAM
32
Package Type
QFN48
Zigbee Capable
Yes
Thread Capable
Yes
Bluetooth Low Energy Capable
Yes
2.4 GHz Capable
Yes
Sub-GHz Capable
Yes
Receive Sensitivity
-101 dBm (250 kbps O-QPSK DSSS)
AES-128
Yes
AES-256
Yes
ECC
Yes
SHA-1
Yes
SHA-2
Yes
RSA-2048
No
I²C
1
I²S
1
SPI
2
UART
3
USART
2
Dig I/O Pins
28
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
Flash
256
RAM
32
Package Type
QFN48
Zigbee Capable
Yes
Thread Capable
Yes
Bluetooth Low Energy Capable
Yes
2.4 GHz Capable
Yes
Sub-GHz Capable
Yes
Receive Sensitivity
-101 dBm (250 kbps O-QPSK DSSS)
AES-128
Yes
AES-256
Yes
ECC
Yes
SHA-1
Yes
SHA-2
Yes
RSA-2048
No
I²C
1
I²S
1
SPI
2
UART
3
USART
2
Dig I/O Pins
28
EFR32xG1 Block Diagram
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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 EFR32MG1P133F256GM48 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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  • IPC 1752-2 Class 6 (XML format)
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