Silicon Labs EFR32FG23 Wireless SoC
Silicon Labs EFR32FG23 Wireless SoC
Silicon Labs EFR32FG23 Flex Gecko Wireless SoC is suitable for Silicon sub-GHz IoT wireless connectivity for smart home, security, lighting, building automation and metering. The EFR32FG23 is a high-performance sub-GHz radio with long-distance transmission characteristics and is not susceptible to 2.4GHz technical interference. This single-chip, core solution features industry-leading security, low power consumption and fast wake-up. Integrated power amplifier for next-generation secure connectivity for IoT devices.
Silicon Labs EFR32FG23 wireless SoCs are available in 40-pin and 48-pin quad flat no-lead (QFN) packages and feature a wide -40°C to +125°C operating temperature range.
Silicon Features
Low-Power Wireless System-on-Chip
High-performance 32-bit 78MHz Arm Cortex-M33 with DSP instructions and floating point unit for efficient signal processing
Up to 512kB program flash
Up to 64kB RAM data storage
Sub-GHz radio operation
TX power up to +20dBm
Low power consumption
RX current at 920MHz: 4.2mA (400.0kbps 4-FSK)
RX current at 915MHz: 3.8mA (4.8kbps O-QPSK)
RX current at 915MHz: 5.1mA (2.0Mbps GFSK)
Transmit current at 915MHz: 25mA (14dBm output power) (14dBm part number)
TX current at 915MHz: 85.5mA (20dBm output power) (20dBm part number)
Active Mode (EM0): 26.0μA/MHz (at 39.0MHz)
EM2 DeepSleep current: 1.5μA (64kB RAM retention and RTC running with LFXO)
2μA EM2 DeepSleep current: 1.2μA (16kB RAM retention and RTC running with LFRCO)
Supported modulation formats
2/4 (G)FSK with fully configurable noise shaping
OQPSK DSSS
(G)MSK
OOK
Silicon Security Library
For AES128/192/256, ChaCha20-Poly1305, SHA-1, SHA-2/256/384/512, ECDSA +ECDH (P-192, P-256, P-384, P-521), Ed25519 and Curve25519, Hardware encryption acceleration of J-PAKE and PBKDF2
True Random Number Generator (TRNG)
Secure Boot (Root of Trust Secure Loader)
Safe debug unlock
DPA countermeasures
Secure key management with PUF
Tamper-proof
security proof
Protocol support
Proprietary
CONNECT
Wi-SUN
Sidewalking
WM bus
Various MCU peripherals
Analog-to-Digital Converter (ADC)
12-bit @ 1Msps
16-bit @ 9ksps
2 Analog Comparators (ACMP)
2-Channel Digital-to-Analog Converter (VDAC)
Low Power 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 x 16-bit timers/counters (3 compare/capture/PWM channels)
1 x 32-bit timer/counter (3 compare/capture/PWM channels)
32-bit real-time counter
24-bit low-power timer for waveform generation
16-bit pulse counter with asynchronous operation (PCNT)
2 watchdog timers
3 Enhanced Universal Synchronous/Asynchronous Transceivers/Transmitters (EUSART)
1 Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
2 I2C interfaces supporting SMBus
Integrated low power LCD controller supporting up to 80 segments
Key Scanner, supports up to 6x8 matrix (KEYSCAN)
On-chip temperature sensor
Wide working range
1.71V to 3.8V Single Supply
Operating temperature range: -40°C to +125°C
Package Options
5.0mm x 5.0mm x 0.85mm QFN-40
5.0mm x 6.0mm x 0.85mm QFN-48
Silicon application
IoT applications
Home and Building Automation
safety
automated industry
street lighting
smart meter
