Specification	EFR32MG21B020F768IM32-BR

Current - Receiving (Max)	9.8 mA
Current - Receiving (Min)	8.8 mA
Current - Transmitting (Max)	185 mA
Current - Transmitting (Min)	9.3 mA
Data Rate (Max)	2 MBaud
Frequency (Max)	2.4835 GHz
Frequency (Min)	2.4 GHz
GPIO Count	20
Memory Size (Flash)	768 kB
Memory Type	Flash, RAM
Modulation	DSSS, O-QPSK, GFSK
Mounting Type	Surface Mount
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Package / Case	32-VFQFN Exposed Pad
Package Length	4 mm
Package Name	32-QFN
Package Width	4 mm
Power - Output	20 dBm
Protocol	Zigbee®, Bluetooth v5.1, Thread
RF Family/Standard	802.15.4, Bluetooth
Sensitivity	-104.9 dBm
Serial Interfaces	USART, I2C, I2S, UART, SPI, IrDA
Type	TxRx + MCU
Voltage - Supply (Maximum)	3.8 V
Voltage - Supply (Minimum)	1.71 V

EFR32MG21B020 Series

Part	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Protocol	Operating Temperature (Max)	Operating Temperature (Min)	Current - Transmitting (Max)	Current - Transmitting (Min)	Package / Case	Mounting Type	RF Family/Standard	GPIO Count	Frequency (Max)	Frequency (Min)	Serial Interfaces	Power - Output	Memory Size (Flash)	Memory Type	Memory Size (RAM)	Memory Size (SRAM)	Sensitivity	Type	Current - Receiving (Max)	Current - Receiving (Min)	Modulation	Package Length	Package Name	Package Width	Data Rate (Max)
SILICON LABS EFR32MG21B020F512IM32-B	3.8 V	1.71 V	Bluetooth v5.1 Thread Zigbee®	125 °C	-40 °C	185 mA	9.3 mA	32-VFQFN Exposed Pad	Surface Mount	802.15.4 Bluetooth	20	2.4835 GHz	2.4 GHz	I2C I2S IrDA SPI UART USART	20 dBm	512 kB	Flash RAM	64 kB	64 kB	-104.9 dBm	TxRx + MCU	9.8 mA	8.8 mA	DSSS GFSK O-QPSK	4 mm	32-QFN	4 mm	2 MBaud
SILICON LABS EFR32MG21B020F768IM32-B	3.8 V	1.71 V	Bluetooth v5.1 Thread Zigbee®	125 °C	-40 °C	185 mA	9.3 mA	32-VFQFN Exposed Pad	Surface Mount	802.15.4 Bluetooth	20	2.4835 GHz	2.4 GHz	I2C I2S IrDA SPI UART USART	20 dBm	768 kB	Flash RAM			-104.9 dBm	TxRx + MCU	9.8 mA	8.8 mA	DSSS GFSK O-QPSK	4 mm	32-QFN	4 mm	2 MBaud
SILICON LABS EFR32MG21B020F1024IM32-B	3.8 V	1.71 V	Bluetooth v5.1 Thread Zigbee®	125 °C	-40 °C	185 mA	9.3 mA	32-VFQFN Exposed Pad	Surface Mount	802.15.4 Bluetooth	20	2.4835 GHz	2.4 GHz	I2C I2S IrDA SPI UART USART	20 dBm	1 MB	Flash RAM SRAM	96 kB	96 kB	-104.9 dBm	TxRx + MCU	9.8 mA	8.8 mA	DSSS GFSK O-QPSK	4 mm	32-QFN	4 mm	2 MBaud
SILICON LABS EFR32MG21B020F512IM32-BR	3.8 V	1.71 V	Bluetooth v5.1 Thread Zigbee®	125 °C	-40 °C	185 mA	9.3 mA	32-VFQFN Exposed Pad	Surface Mount	802.15.4 Bluetooth	20	2.4835 GHz	2.4 GHz	I2C I2S IrDA SPI UART USART	20 dBm	512 kB	Flash RAM	64 kB	64 kB	-104.9 dBm	TxRx + MCU	9.8 mA	8.8 mA	DSSS GFSK O-QPSK	4 mm	32-QFN	4 mm	2 MBaud
SILICON LABS EFR32MG21B020F768IM32-BR	3.8 V	1.71 V	Bluetooth v5.1 Thread Zigbee®	125 °C	-40 °C	185 mA	9.3 mA	32-VFQFN Exposed Pad	Surface Mount	802.15.4 Bluetooth	20	2.4835 GHz	2.4 GHz	I2C I2S IrDA SPI UART USART	20 dBm	768 kB	Flash RAM			-104.9 dBm	TxRx + MCU	9.8 mA	8.8 mA	DSSS GFSK O-QPSK	4 mm	32-QFN	4 mm	2 MBaud
SILICON LABS EFR32MG21B020F1024IM32-BR	3.8 V	1.71 V	Bluetooth v5.1 Thread Zigbee®	125 °C	-40 °C	185 mA	9.3 mA	32-VFQFN Exposed Pad	Surface Mount	802.15.4 Bluetooth	20	2.4835 GHz	2.4 GHz	I2C I2S IrDA SPI UART USART	20 dBm	1 MB	Flash RAM SRAM	96 kB	96 kB	-104.9 dBm	TxRx + MCU	9.8 mA	8.8 mA	DSSS GFSK O-QPSK	4 mm	32-QFN	4 mm	2 MBaud

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EFR32MG21B020F768IM32-BR | Datasheet

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