EFR32MG12 Gecko Multi-Protocol Wireless SoC Family Data Sheet The Gecko multi-protocol family of SoCs is part of the Wireless KEY FEATURES Gecko portfolio. Gecko SoCs are ideal for enabling energy-friendly multi-protocol, multi-band networking for IoT devices. 32-bit ARM Cortex-M4 core with 40 MHz maximum operating frequency The single-die solution provides industry-leading energy efficiency, ultra-fast wakeup Up to 1 MB of flash and 256 kB of RAM times, a scalable power amplifier, and no-compromise MCU features. Pin-compatible across EFR32MG families (exceptions apply for 5V-tolerant pins) Gecko applications include: 12-channel Peripheral Reflex System, IoT Multi-Protocol Devices Low-Energy Sensor Interface & Multi- channel Capacitive Sense Interface Connected Home Autonomous Hardware Crypto Accelerator Lighting and True Random Number Generator Health and Wellness Integrated PA with up to 19 dBm (2.4 Metering GHz) or 20 dBm (Sub-GHz) TX power Home and Building Automation and Security Integrated balun for 2.4 GHz Robust peripheral set and up to 65 GPIO Core / Memory Clock Management Energy Management Other High Frequency High Frequency Voltage CRYPTO Crystal Voltage Monitor RC Oscillator Regulator TM Oscillator ARM Cortex M4 processor Memory CRC with DSP extensions and FPU Protection Unit Auxiliary High Low Frequency DC-DC Frequency RC Power-On Reset RC Oscillator Converter True Random Oscillator Number Generator Low Frequency Ultra Low Flash Program Debug Interface LDMA Brown-Out RAM Memory Crystal Frequency RC SMU Memory with ETM Controller Detector Oscillator Oscillator 32-bit bus Peripheral Reflex System Radio Transceiver Serial I/O Ports Timers and Triggers Analog I/F Interfaces RFSENSE Sub GHz DEMOD ADC I External LNA USART Timer/Counter Protocol Timer Interrupts RF Frontend Analog PGA IFADC Comparator PA Low Energy General Low Energy Q Watchdog Timer TM UART Purpose I/O Timer IDAC To Sub GHz receive I/Q AGC Real Time RFSENSE mixers and PA 2 Capacitive Sense I C Pin Reset Pulse Counter Counter and 2.4 GHz Calendar I Frequency LNA MOD VDAC Synthesizer RF Frontend Low Energy BALUN Pin Wakeup Cryotimer Sensor Interface Op-Amp PA To 2.4 GHz receive To Sub GHz Q I/Q mixers and PA and 2.4 GHz PA Lowest power mode with peripheral operational: EM0Active EM1Sleep EM2Deep Sleep EM3Stop EM4Hibernate EM4Shutoff silabs.com Building a more connected world. Rev. 1.7 CRC FRC RAC BUFCEFR32MG12 Gecko Multi-Protocol Wireless SoC Family Data Sheet Feature List 1. Feature List The EFR32MG12 highlighted features are listed below. Low Power Wireless System-on-Chip Wide selection of MCU peripherals 12-bit 1 Msps SAR Analog to Digital Converter (ADC) High Performance 32-bit 40 MHz ARM Cortex -M4 with DSP instruction and floating-point unit for efficient signal 2 Analog Comparator (ACMP) processing 2 Digital to Analog Converter (VDAC) Embedded Trace Macrocell (ETM) for advanced debugging 3 Operational Amplifier (Opamp) 1024 kB flash program memory Digital to Analog Current Converter (IDAC) 256 kB RAM data memory Low-Energy Sensor Interface (LESENSE) 2.4 GHz and Sub-GHz radio operation Multi-channel Capacitive Sense Interface (CSEN) Transmit power: Up to 54 pins connected to analog channels (APORT) 2.4 GHz radio: Up to 19 dBm shared between analog peripherals Sub-GHz radio: Up to 20 dBm Up to 65 General Purpose I/O pins with output state reten- tion and asynchronous interrupts Low Energy Consumption 8 Channel DMA Controller 11 mA RX current at 250 kbps, DSSS-OQPSK, 2.4 GHz 12 Channel Peripheral Reflex System (PRS) 10.0 mA RX current at 1 Mbps, GFSK, 2.4 GHz 2 16-bit Timer/Counter 8.4 mA RX current at 38.4 kbps, GFSK, 169 MHz 3 or 4 Compare/Capture/PWM channels 8.5 mA TX current at 0 dBm output power at 2.4 GHz 2 32-bit Timer/Counter 35.3 mA TX current at 14 dBm output power at 868 MHz 3 or 4 Compare/Capture/PWM channels 70 A/MHz in Active Mode (EM0) 32-bit Real Time Counter and Calendar 1.5 A EM2 DeepSleep current (16 kB RAM retention and RTCC running from LFRCO) 16-bit Low Energy Timer for waveform generation High Receiver Performance 32-bit Ultra Low Energy Timer/Counter for periodic wake-up from any Energy Mode -94.8 dBm sensitivity at 1 Mbit/s GFSK, 2.4 GHz 3 16-bit Pulse Counter with asynchronous operation -91.3 dBm sensitivity at 2 Mbit/s GFSK, 2.4 GHz 2 Watchdog Timer with dedicated RC oscillator -102.7 dBm sensitivity at 250 kbps DSSS-OQPSK, 2.4 GHz 4 Universal Synchronous/Asynchronous Receiver/Trans- -126.2 dBm sensitivity at 600 bps, GFSK, 915 MHz 2 mitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I S) -120.6 dBm sensitivity at 2.4 kbps, GFSK, 868 MHz Low Energy UART (LEUART ) -107.4 dBm sensitivity at 4.8 kbps, OOK, 433 MHz 2 -112.2 dBm sensitivity at 38.4 kbps, GFSK, 169 MHz 2 I C interface with SMBus support and address recogni- tion in EM3 Stop Supported Modulation Formats Wide Operating Range 2/4 (G)FSK with fully configurable shaping 1.8 V to 3.8 V single power supply BPSK / DBPSK TX Integrated DC-DC, down to 1.8 V output with up to 200 mA OOK / ASK load current for system Shaped OQPSK / (G)MSK Standard (-40 C to 85 C) and Extended (-40 C to 125 C) Configurable DSSS and FEC temperature grades available Supported Protocols Support for Internet Security Zigbee General Purpose CRC Thread True Random Number Generator Bluetooth Low Energy (Bluetooth 5) 2 Hardware Cryptographic Acceleration for AES 128/256, Proprietary Protocols SHA-1, SHA-2 (SHA-224 and SHA-256) and ECC Wi-SUN QFN48 7x7 mm Package Wireless M-Bus QFN68 8x8 mm Package Selected IEEE 802.15.4g SUN-FSK PHYs BGA125 7x7 mm Package Low Power Wide Area Networks Suitable for Systems Targeting Compliance With: FCC Part 90.210 Mask D, FCC part 15.247, 15.231, 15.249 ETSI Category I Operation, EN 300 220, EN 300 328 ARIB T-108, T-96 China regulatory silabs.com Building a more connected world. 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