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EFR32FG23 Common Specs
Low Power Wireless System-on-Chip
- High Performance 32-bit 78 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- Up to 512 kB flash program memory
- Up to 64 kB RAM data memory
- Sub-GHz radio operation
- TX power up to +20 dBm
Wide selection of MCU peripherals
- Analog to Digital Converter (ADC)
- 12-bit @ 1 Msps
- 16-bit @ 76.9 ksps
- 2 × Analog Comparator (ACMP)
- 2 × Digital to Analog Converter (VDAC)
- Low-Energy Sensor Interface (LESENSE)
- Up to 31 General Purpose I/O pins with output state retention and asynchronous interrupts
- 8 Channel DMA Controller
- 12 Channel Peripheral Reflex System (PRS)
- 4 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
- 1 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels
- 32-bit Real Time Counter
- 24-bit Low Energy Timer for waveform generation
- 16-bit Pulse Counter with asynchronous operation (PCNT)
- 2 × Watchdog Timer
- 3 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART)
- 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
- 2 × I2C interface with SMBus support
- Integrated Low-Energy LCD Controller supporting up to 80 segments
- Keypad scanner supporting up to 6x8 matrix (KEYSCAN)
- Die temperature sensor with +TBD/-TBD °C accuracy across temperature range
Low Energy Consumption
- 4.2 mA RX current at 920 MHz (400 kbps 4-FSK)
- 3.8 mA RX current at 915 MHz (4.8 kbps O-QPSK)
- 5.1 mA RX current at 915 MHz (2 Mbps GFSK)
- 3.7 mA RX current at 868 MHz (2.4 kbps GFSK)
- 3.7 mA RX current at 868 MHz (38.4 kbps FSK)
- 4.0 mA RX current at 433 MHz (100 kbps 2GFSK)
- 25.0 mA TX current @ 14 dBm output power at 915 MHz (14 dBm part numbers)
- 85.5 mA TX current @ 20 dBm output power at 915 MHz (20 dBm part numbers)
- 26 μA/MHz in Active Mode (EM0) at 39.0 MHz
- 1.5 μA EM2 DeepSleep current (64 kB RAM retention and RTC running from LFXO)
- 1.2 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)
Wide Operating Range
- 1.71 V to 3.8 V single power supply
- -40 °C to +125 °C
Packages
- QFN40 5 mm × 5 mm × 0.85 mm
- QFN48 6 mm × 6 mm × 0.85 m
High Receiver Performance
- -98.6 dBm sensitivity @ 400 kbps 920 MHz 4-GFSK
- -125.8 dBm sensitivity @ 4.8 kbps 915 MHz O-QPSK
- -96.9 dBm sensitivity @ 2 Mbps 915 MHz GFSK
- -125.3 dBm sensitivity @ 2.4 kbps 868 MHz GFSK
- -111.8 dBm sensitivity @ 38.4 kbps 868 MHz FSK
- -110.7 dBm sensitivity @ 100 kbps 433 MHz 2GFSK
Supported Modulation Format
- 2/4 (G)FSK with fully configurable shaping
- OQPSK DSSS
- (G)MSK
- OOK
Protocol Support
- Proprietary
- CONNECT
- Wi-SUN
- Sidewalk
- WM-BUS
Securing Your IoT Product
IoT security is key to protecting company brands, end user privacy and commercial viability of products. Vulnerabilities can be exploited through both remote Internet attacks and physical hands-on-attacks.
Developers using the Silicon Labs EFR32FG23 family have access to the highest level of IoT security provided by Secure Vault. The EFR32FG23 family is the first Sub-GHz radio to achieve a PSA Level 3 certification and SESIP Level 3 certification.
FG23 Security Features
Whitepaper: Preparing for Next-Gen Cyber Attacks on IoT
Find the Right EFR32FG23 Device
Select Columns
| Part Number | Integrated MCU | MCU Core | Flash | RAM | Communications | Output Power (dBm) | RX Current (mA) | Receive Sensitivity (dBm) | Proprietary 2.4 GHz | Proprietary Sub-GHz | Multiprotocol | Cryptography | Dig I/O Pins | DAC | Cap Sense | Temp Sensor | Timers (16-bit) | RTC | Comparators | Temperature Range ºC | Package Type | Package Size (mm) | Debug Interface |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARM Cortex-M33 | 256 | 32 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 256 | 32 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 31 | VDAC | 4 | 2 | -40 85 | QFN48 | 6x6 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 31 | VDAC | 4 | 2 | -40 85 | QFN48 | 6x6 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 22 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 256 | 32 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 256 | 32 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 31 | VDAC | 4 | 2 | -40 85 | QFN48 | 6x6 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 31 | VDAC | 4 | 2 | -40 85 | QFN48 | 6x6 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 22 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 128 | 32 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 125 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -22 14 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 31 | VDAC | 4 | 2 | -40 125 | QFN48 | 6x6 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 128 | 32 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 85 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 23 | VDAC | 4 | 2 | -40 125 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 31 | VDAC | 4 | 2 | -40 125 | QFN48 | 6x6 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 22 | VDAC | 4 | 2 | -40 125 | QFN40 | 5x5 | JTAG, SW, ETM | ||||||||
| ARM Cortex-M33 | 512 | 64 | 2 x I²C 1 x I²S 4 x SPI x USART x EUART | -20 20 | 3.7 | -125.8 (4.8 kbps OQPSK @ 915 MHz) | AES-128 AES-256 ECC SHA-1 SHA-2 | 30 | VDAC | 4 | 2 | -40 125 | QFN48 | 6x6 | JTAG, SW, ETM |
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EFR32FG23 868-915 MHz +14 dBm Dev Kit
The EFR32FG23 development board is a compact, feature-packed development platform. It provides the fastest path to develop and prototype sub-GHz IoT products. The development platform includes support for the FG23’s onboard segment LCD controller as well as other key features including LESENSE and pulse counter.
EFR32FG23 868-915 MHz +14 dBm Dev Kit
The EFR32FG23 development board is a compact, feature-packed development platform. It provides the fastest path to develop and prototype sub-GHz IoT products. The development platform includes support for the FG23’s onboard segment LCD controller as well as other key features including LESENSE and pulse counter.
EFR32XG23 868-915 MHz +20 dBm Radio Board
The EFR32xG23 +20 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +20 dBm 868-915 MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.
EFR32XG23 868-915 MHz +20 dBm Radio Board
The EFR32xG23 +20 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +20 dBm 868-915 MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.
EFR32XG23 868-915 MHz +14 dBm Radio Board
The EFR32xG23 +14 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +14 dBm 868-915MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.
EFR32XG23 868-915 MHz +14 dBm Radio Board
The EFR32xG23 +14 dBm Radio Board is designed to work with the WSTK mainboard (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The kit includes a +14 dBm 868-915MHz radio board that provides a complete reference design for the EFR32xG23 Wireless SoC.
EFR32xG23 Pro Kit +20 dBm
The EFR32xG23 Pro Kit +20 dBm (xG23-PK6068A) includes a radio board that provides a complete reference design for the EFR32xG23 Wireless SoC, with the matching network for +20 dBm covering 868 to 915 MHz.
EFR32xG23 Pro Kit +20 dBm
The EFR32xG23 Pro Kit +20 dBm (xG23-PK6068A) includes a radio board that provides a complete reference design for the EFR32xG23 Wireless SoC, with the matching network for +20 dBm covering 868 to 915 MHz.
EFR32xG23 Pro Kit +14 dBm
The EFR32xG23 Pro Kit +14 dBm (xG23-PK6067A) includes a radio board that provides a complete reference design for the EFR32xG23 Wireless SoC, with the matching network for +14 dBm covering 868 to 915 MHz.
EFR32xG23 Pro Kit +14 dBm
The EFR32xG23 Pro Kit +14 dBm (xG23-PK6067A) includes a radio board that provides a complete reference design for the EFR32xG23 Wireless SoC, with the matching network for +14 dBm covering 868 to 915 MHz.
EFR32FG23 433 MHz +10 dBm Radio Board
The EFR32xG23 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols for Proprietary, Connect, Wi-SUN, Sidewalk, and WM-BUS.
EFR32FG23 433 MHz +10 dBm Radio Board
The EFR32xG23 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of Wireless IoT devices based on Sub-GHz wireless protocols for Proprietary, Connect, Wi-SUN, Sidewalk, and WM-BUS.