EFR32FG23 Wireless SoC Family Data Sheet The EFR32FG23 SoC is an ideal solution for sub-GHz Internet of Things for smart home, security, lighting, building automation, and metering. The high-performance sub- KEY FEATURES GHz radio provides long range and is not susceptible to 2.4 GHz interference from tech- nologies like Wi-Fi. 32-bit ARM Cortex-M33 core with 78 MHz maximum operating frequency The single die, multi-core solution, provides industry leading security, low power con- Up to 512 kB of flash and 64 kB of RAM sumption with fast wakeup times, and an integrated power amplifier to enable the next Energy-efficient radio core with low active level of secure connectivity for IoT devices. and sleep currents Integrated PA with up to 20 dBm (sub- EFR32FG23 applications include: GHz) TX power Metering Robust peripheral set and up to 31 GPIO Home and Building Automation and Security Industrial Automation Street Lighting Core / Memory Clock Management Energy Management Security Crypto Acceleration HF Crystal HF True Random TM Oscillator RC Oscillator ARM Cortex M33 processor Number Generator Voltage DC-DC Flash Program with DSP extensions, Regulator Converter DPA Memory FPU and TrustZone Fast Startup LF Countermeasures RC Oscillator RC Oscillator Secure Debug Authentication Power-On Brown-Out LDMA LF Crystal Ultra LF RC ETM Debug Interface RAM Memory Reset Detector Secure Element Controller Oscillator Oscillator 32-bit bus Peripheral Reflex System Radio Subsystem Serial I/O Ports Timers and Triggers Analog I/F Interfaces TM ARM Cortex LCD DEMOD USART M0+ Radio Timer/Counter Protocol Timer IADC Keypad Scanner Controller RX/TX Frontend with Integrated +14 or 20 dBm PA External IFADC EUSART Low Energy Timer Watchdog Timer ACMP Interrupts BUFC RAM General AGC Purpose I/O System Real Time Back-Up Real VDAC EUSART FRC Counter Time Counter Pin Reset Frequency Synthesizer Temperature MOD CRC 2 I C LESENSE Pulse Counter Sensor Pin Wakeup Lowest power mode with peripheral operational: EM0Active EM1Sleep EM2Deep Sleep EM3Stop EM4Shutoff silabs.com Building a more connected world. Preliminary Rev. 0.5 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. EFR32FG23 Wireless SoC Family Data Sheet Feature List 1. Feature List The EFR32FG23 highlighted features are listed below. Low Power Wireless System-on-Chip Wide selection of MCU peripherals Analog to Digital Converter (ADC) High Performance 32-bit 78 MHz ARM Cortex -M33 with DSP instruction and floating-point unit for efficient signal 12-bit 1 Msps processing 16-bit 76.9 ksps Up to 512 kB flash program memory 2 Analog Comparator (ACMP) Up to 64 kB RAM data memory 2-Channel Digital to Analog Converter (VDAC) Sub-GHz radio operation Low-Energy Sensor Interface (LESENSE) TX power up to +20 dBm Up to 31 General Purpose I/O pins with output state reten- Low Energy Consumption tion and asynchronous interrupts 4.2 mA RX current at 920 MHz (400 kbps 4-FSK) 8 Channel DMA Controller 3.8 mA RX current at 915 MHz (4.8 kbps O-QPSK) 12 Channel Peripheral Reflex System (PRS) 5.1 mA RX current at 915 MHz (2 Mbps GFSK) 4 16-bit Timer/Counter with 3 Compare/Capture/PWM channels 3.7 mA RX current at 868 MHz (2.4 kbps GFSK) 1 32-bit Timer/Counter with 3 Compare/Capture/PWM 3.7 mA RX current at 868 MHz (38.4 kbps FSK) channels 4.0 mA RX current at 433 MHz (100 kbps 2GFSK) 32-bit Real Time Counter 25 mA TX current 14 dBm output power at 915 MHz (14 24-bit Low Energy Timer for waveform generation dBm part numbers) 16-bit Pulse Counter with asynchronous operation (PCNT) 85.5 mA TX current 20 dBm output power at 915 MHz (20 dBm part numbers) 2 Watchdog Timer 26 A/MHz in Active Mode (EM0) at 39.0 MHz 3 Enhanced Universal Synchronous/Asynchronous Re- ceiver/Transmitter (EUSART) 1.5 A EM2 DeepSleep current (64 kB RAM retention and RTC running from LFXO) 1 Universal Synchronous/Asynchronous Receiver/Trans- 2 1.2 A EM2 DeepSleep current (16 kB RAM retention and mitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I S) RTC running from LFRCO) 2 2 I C interface with SMBus support High Receiver Performance Integrated Low-Energy LCD Controller supporting up to 80 -98.6 dBm sensitivity 400 kbps 920 MHz 4-GFSK segments -125.8 dBm sensitivity 4.8 kbps 915 MHz O-QPSK Keypad scanner supporting up to 68 matrix (KEYSCAN) -96.9 dBm sensitivity 2 Mbps 915 MHz GFSK Die temperature sensor -125.3 dBm sensitivity 2.4 kbps 868 MHz GFSK Secure Vault -111.8 dBm sensitivity 38.4 kbps 868 MHz FSK Hardware Cryptographic Acceleration for AES128/192/256, ChaCha20-Poly1305, SHA-1, SHA-2/256/384/512, ECDSA -110.7 dBm sensitivity 100 kbps 433 MHz 2GFSK +ECDH(P-192, P-256, P-384, P-521), Ed25519 and Supported Modulation Format Curve25519, J-PAKE, PBKDF2 2/4 (G)FSK with fully configurable shaping True Random Number Generator (TRNG) OQPSK DSSS ARM TrustZone (G)MSK Secure Boot (Root of Trust Secure Loader) OOK Secure Debug Unlock Protocol Support DPA Countermeasures Proprietary Secure Key Management with PUF CONNECT Anti-Tamper Wi-SUN Secure Attestation Sidewalk Wide Operating Range WM-BUS 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 mm silabs.com Building a more connected world. Preliminary Rev. 0.5 2