EFR32FG22 专有无线 2.4 GHz SoC

Series 2 Proprietary Wireless 2.4 GHz SoC

EFR32FG22旨在在零售，商业照明和工业市场中实现电池供电的大批量连接物联网产品。 FG22包括创新的低功耗功能，例如RFSense，可通过有限的电池或能量收集选项（包括电子货架标签和工业无线传感器节点使用的电池或能量收集选项）来延长产品的使用寿命。

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OVERVIEW
EFR32FG22 (FG22) 专有无线 2.4 Ghz SoC 解决方案是无线 Gecko 系列 2 平台的一部分。FG22 SoC 将 38.4 MHz Arm® Cortex®-M33 内核与 TrustZone 以及接收灵敏度达 -102.3 dBm 的高性能无线电集成在一起。这款 SoC 将超低传输和接收功率（+6 dBm 下为 8.2 mA TX，3.6 mA RX）、1.2 µA 深入睡眠模式功率以及诸如 RFSense 之类创新低功耗功能组合在一起，提供业界领先的能源效率，可延长电池有限或能量收集选项的产品（如电子货架标签和工业无线传感器节点使用的产品）的运行寿命。

EFR32FG22 BLOCK DIAGRAM

FG22 安全功能

通过信任根和安全装载程序 (RTSL) 实现安全引导
用于 AES128/256、SHA-1、SHA-2（高达 256 位）、ECC（高达 256 位）、ECDSA 和 ECDH 的硬件加密加速
真随机数发生器 (TRNG)，符合 NIST SP800-90 和 AIS-31 标准
ARM® TrustZone®
带锁定/解锁的安全调试

APPLICATION [智能门锁解决方案]

RELATED PRODUCT [BG22] [MG22]

FG22 SPECS

Low Power Wireless System-on-Chip High Performance 32-bit 38.4 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing Up to 512 kB flash program memory Up to 32 kB RAM data memory 2.4 GHz radio operation	Wide Selection of MCU Peripherals 12-bit 1 Msps SAR Analog to Digital Converter (ADC) Up to 26 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 1 × Watchdog Timer 2 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S) 1 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART) 2 × I2C interface with SMBus support Digital microphone interface (PDM) RFSENSE with selective OOK mode Die temperature sensor with +/-1.5 °C accuracy after single-point calibration	Supported Modulation Format 2 (G)FSK with fully configurable shaping OQPSK DSSS (G)MSK
Radio Performance -102.3 dBm sensitivity @ 250 kbps O-QPSK DSSS -98.9 dBm sensitivity @ 1 Mbit/s GFSK -96.2 dBm sensitivity @ 2 Mbit/s GFSK TX power up to 6 dBm 2.5 mA radio receive current 3.4 mA radio transmit current @ 0 dBm output power 7.5 mA radio transmit current @ 6 dBm output power		Protocol Support Proprietary
		Wide Operation Range 1.71 V to 3.8 V single power supply -40 °C to 85 °C
Low System Energy Consumption 3.6 mA RX current (1 Mbps GFSK) 3.9 mA RX current (250 kbps O-QPSK DSSS) 4.1 mA TX current @ 0 dBm output power 8.2 mA TX current @ 6 dBm output power 26 μA/MHz in Active Mode (EM0) at 38.4 MHz 1.20 μA EM2 DeepSleep current (8 kB RAM retention and RTC running from LFRCO) 0.17 μA EM4 current		Packages QFN40 5 mm × 5 mm × 0.85 mm QFN32 4 mm × 4 mm × 0.85 mm

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EFR32FG22 专有无线 2.4 GHz SoC

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