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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EFR32MG1B132F256GM32

Zigbee and Thread EFR32MG1 SoCs (Series 1)

The EFR32MG1B132F256GM32 includes a 40 MHz ARM Cortex-M4 microcontroller with 256 Flash, 32 RAM and a rich peripheral set in a QFN32 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 EFR32MG1B132F256GM32 reduces overall power consumption and maximizes battery life. The EFR32MG1B132F256GM32 includes wireless networking stacks for Zigbee,  Thread, and Bluetooth low energy.

EFR32MG1B132F256GM32
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Output Power Max (dBm)

Total Link Budget (dB)

Key Specs

16.5 Output Power Max (dBm) / 117.5 Total Link Budget (dB)
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
Flash
256
RAM
32
Package Type
QFN32
Zigbee Capable
Yes
Thread Capable
Yes
Bluetooth Low Energy Capable
Yes
2.4 GHz Capable
No
Sub-GHz Capable
No
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
16
MCU Core
ARM Cortex-M4
Core Frequency (MHz)
40
Flash
256
RAM
32
Package Type
QFN32
Zigbee Capable
Yes
Thread Capable
Yes
Bluetooth Low Energy Capable
Yes
2.4 GHz Capable
No
Sub-GHz Capable
No
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
16
EFR32xG1 Block Diagram
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