Specification	EFR32FG12P431F1024GM68-CR

Current - Receiving [Max]	13 mA
Current - Receiving [Min]	8.4 mA
Current - Transmitting [Max]	134.3 mA
Current - Transmitting [Min]	20.3 mA
Data Rate (Max) [Max]	38.4 kbps
Frequency [Max]	956 MHz, 574 MHz, 358 MHz, 191 MHz
Frequency [Min]	390 MHz, 1.95 MHz, 779 MHz, 110 MHz
GPIO	46
Memory Size	1 MB, 256 kB
Modulation	2FSK, BPSK, DBPSK, 2GFSK, OOK, MSK, ASK, 4FSK, 4GFSK, DSSS, GMSK, OQPSK, GFSK
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 C
Package / Case	68-VFQFN Exposed Pad
Power - Output	20 dBm
Protocol	Flex Gecko
Sensitivity	-126.2 dBm
Serial Interfaces	I2S, UART, SPI, I2C, IrDA
Supplier Device Package	68-QFN (8x8)
Type	TxRx + MCU
Voltage - Supply [Max]	3.8 V
Voltage - Supply [Min]	1.8 V

EFR32FG12 Series

Part	Protocol	Voltage - Supply [Min]	Voltage - Supply [Max]	Type	Sensitivity	Power - Output	Operating Temperature [Max]	Operating Temperature [Min]	Modulation	Memory Size	Data Rate (Max) [Max]	Current - Transmitting [Max]	Current - Transmitting [Min]	Current - Receiving [Max]	Current - Receiving [Min]	Package / Case	GPIO	Mounting Type	Frequency [Min]	Frequency [Max]	Serial Interfaces	Supplier Device Package	Frequency
SILICON LABS EFR32FG12P231F1024GM68-CR	Flex Gecko	1.8 V	3.8 V	TxRx + MCU	-126.2 dBm	20 dBm	85 °C	-40 C	2FSK 2GFSK 4FSK 4GFSK ASK BPSK DBPSK DSSS GFSK GMSK MSK OOK OQPSK	1 MB 128 kB	38.4 kbps	134.3 mA	20.3 mA	13 mA	8.4 mA	68-VFQFN Exposed Pad	46	Surface Mount	1.95 MHz 110 MHz 390 MHz 779 MHz	191 MHz 358 MHz 574 MHz 956 MHz	I2C I2S IrDA SPI UART	68-QFN (8x8)
SILICON LABS EFR32FG12P431F1024GM68-CR	Flex Gecko	1.8 V	3.8 V	TxRx + MCU	-126.2 dBm	20 dBm	85 °C	-40 C	2FSK 2GFSK 4FSK 4GFSK ASK BPSK DBPSK DSSS GFSK GMSK MSK OOK OQPSK	1 MB 256 kB	38.4 kbps	134.3 mA	20.3 mA	13 mA	8.4 mA	68-VFQFN Exposed Pad	46	Surface Mount	1.95 MHz 110 MHz 390 MHz 779 MHz	191 MHz 358 MHz 574 MHz 956 MHz	I2C I2S IrDA SPI UART	68-QFN (8x8)
SILICON LABS EFR32FG12P433F1024GL125-C		1.8 V	3.8 V	TxRx + MCU	-95 dBm	20 dBm	85 °C	-40 C	2FSK 2GFSK 4FSK 4GFSK ASK BPSK DBPSK DSSS GFSK GMSK MSK OOK OQPSK	1 MB 256 kB						125-VFBGA	65	Surface Mount			I2C I2S SPI UART	125-BGA (7x7)	2.4 GHz

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 9.74
Mouser	N/A	2500	$ 9.73

General part information

RF SYSTEM ON A CHIP - SOC FLEX GECKO SOC QFN68 SUB-GHZ 20 DB PROPRIETARY 1024 KB 256 KB (RAM) 46GPIO SOC

Technical documentation and resources