Silicon Labs EFR32FG23 Flex Gecko Wireless SoC
Silicon Labs EFR32FG23 Flex Gecko Wireless SoC
Silicon Labs EFR32FG23 Flex Gecko Wireless SoC (System on Chip) is ideal for sub-GHz loT wireless connections for smart home, security, lighting, building automation and metering. EFR32FG23 is a high-performance sub-GHz radio that can provide long-distance transmission and is not susceptible to 2.4GHz interference caused by technology. Single-chip, multi-core solutions provide industry-leading security, low power consumption and fast wake-up time. An integrated power amplifier that enables the next generation of secure connections for IoT devices.
Silicon Labs EFR32FG23 Flex Gecko wireless SoC is available in 40-pin and 48-pin quad flat no-lead (QFN) packages and has a wide operating temperature range of -40°C to +125°C.
feature
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 of flash program memory
Up to 64kB RAM data memory
Sub-GHz radio operation
TX power up to +20dBm
Low energy consumption
2mA RX current at 920MHz (400kbps 4-FSK)
8mA RX current at 915MHz (4.8kbps O-QPSK)
1mA RX current at 915MHz (2 Mbps GFSK)
7mA RX current at 868MHz (2.4kbps GFSK)
7mA RX current at 868MHz (38.4kbps FSK)
0mA RX current at 433MHz (100kbps 2GFSK)
25mA TX current @ 14dBm output power, 915MHz (14dBm part number)
5mA TX current @ 20dBm output power at 915MHz (20dBm part number)
26μA/MHz active mode (EM0) at 0MHz
5μA EM2 DeepSleep current (64kB RAM retention and RTC running from LFXO)
2μA EM2 DeepSleep current (16kB RAM retention and RTC running from LFRCO)
High receiver performance
-98.6dBm sensitivity @ 400kbps 920MHz 4-GFSK
-125.8dBm sensitivity @ 8kbps 915MHz O-QPSK
-96.9dBm sensitivity @ 2 Mbps 915MHz GFSK
-125.3dBm sensitivity @ 4kbps 868MHz GFSK
-111.8dBm sensitivity @ 4kbps 868MHz FSK
-110.7dBm sensitivity @ 100kbps 433MHz 2GFSK
Supported modulation format
2/4 (G)FSK with fully configurable shaping
OQPSK DSSS
(G)MSK
OK
Safe vault
Hardware encryption acceleration of 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, J-PAKE, PBKDF2
True random number generator (TRNG)
Arm® TrustZone®
Secure boot (trust the root of the secure loader)
Safe debugging and unlocking
DPA countermeasures
Use PUF for secure key management
Tamper proof
safety certificate
Protocol support
ownership
connect
Wireless sunshine
sidewalk
bus
Multiple MCU peripheral options
Analog-to-digital converter (ADC)
12 bits @ 1Msps
16 bits @ 9ksps
2x analog comparator (ACMP)
2-channel digital-to-analog converter (VDAC)
Low Energy Sensor Interface (LESENSE)
Up to 31 general-purpose I/O pins with output state retention and asynchronous interrupt functions
8-channel DMA controller
12-channel Peripheral Reflective System (PRS)
4x 16-bit timer/counter with 3 compare/capture/PWM channels
1x 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 (PCNT) with asynchronous operation
2x watchdog timer
3x Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART)
1x Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
2x I 2 C interface, support SMBus
Supports up to 80-segment integrated low-power LCD controller
Support up to 6x8 matrix keyboard scanner (KEYSCAN)
Mold temperature sensor
Wide working range
71V to 3.8V single power supply
-40°C to +125°C operating temperature range
Package options
5.0mm x 5.0mm x 0.85mm QFN-40
5.0mm x 6.0mm x 0.85mm QFN-48
application
IoT applications
Home and building automation
Safety
automated industry
Street lighting
Smart meter
