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Silicon Labs
EFR32FG23 Sub-GHz Wireless SoC
EFR32FG23
FG23 targets industrial IoT (IIoT), smart city, building and home automation markets that often require battery powered end nodes with extended wireless communication range capabilities.
Description
The EFR32FG23 Flex Gecko SoC is an ideal solution for sub-GHz IoT wireless connectivity for smart home, security, lighting, building automation, and metering. The high-performance sub-GHz radio provides long range and is not susceptible to 2.4 GHz interference from technologies. The single die, multi-core solution, provides industry leading security, low power consumption with fast wakeup times, and an integrated power amplifier to enable the next generation of secure connectivity for IoT devices.
Block Diagram
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
*Silicon Labs Authorized Distributor
