Silicon Labs

EFR32FG22

Series 2 Proprietary Wireless 2.4 GHz SoC
EFR32FG22旨在在零售,商業照明和工業市場中實現電池供電的大批量連接物聯網產品。 FG22包括創新的低功耗功能,例如RFSense,可通過有限的電池或能量收集選項(包括電子貨架標籤和工業無線傳感器節點使用的電池或能量收集選項)來延長產品的使用壽命。
EFR32FG22
OVERVIEW
EFR32FG22專有無線2.4 GHz SoC解決方案是無線Gecko系列2平台的一部分。FG22 SoC將38.4 MHzArm®Cortex®-M33內核與TrustZone以及接收靈敏度達-102.3 dBm的高性能無線電集成在一起。 這款SoC將超低傳輸和接收功率(+6 dBm下為8.2 mA TX,3.6 mA RX),1.2 µA深度睡眠模式功率以及RFSense之類的創新低功耗功能組合在一起,提供業界領先的能源 效率,可延長電池有限或能量收集選項的產品(如電子貨架標籤和工業無線傳感器變頻器使用的產品)的運行壽命。
EFR32FG22 BLOCK DIAGRAM

FG22 安全功能
  • 通過信任根和安全裝載程序(RTSL)實現安全指導
  • 適用於AES128 / 256,SHA-1,SHA-2(高達256位),ECC(高達256位),ECDSA和ECDH的硬件加密加速
  • 真隨機數發生器(TRNG),符合NIST SP800-90和AIS-31標準
  • ARM®TrustZone®
  • 帶鎖定/解鎖的安全調試

APPLICATION [智慧門鎖解決方案]

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​​​​​​​

*Silicon Labs Authorized Distributor
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