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EFR32FG23 Sub-GHz 无线 SoC
EFR32FG23
FG23 面向工业物联网 (IIoT)、智能城市、楼宇和家庭自动化市场，这些市场通常需要由电池供电的终端节点，并需要长距离无线通信的功能。
产品叙述
EFR32FG23 Flex Gecko SoC 是适用于智能家居、安防、照明、楼宇自动化和计量的 1 GHz 以下物联网无线连接的理想解决方案。高性能的 1 GHz 以下无线电可进行长距离传输，并且不容易受到其他技术造成的 2.4 GHz 干扰。单芯片、多核解决方案可提供多种行业前沿的功能，包括出色的安全性、低功耗、快速唤醒时间以及集成的功率放大器，可为物联网设备实现下一代安全连接。
框图
EFR32FG23 一般规格
低功耗无线片上系统
- High Performance 32-bit 78 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- Up to 512 kB flash program memory
- Up to 64 kB RAM data memory
- Sub-GHz radio operation
- TX power up to +20 dBm
丰富多样的 MCU 外围设备选择
- Analog to Digital Converter (ADC)
- 12-bit @ 1 Msps
- 16-bit @ 76.9 ksps
- 2 × Analog Comparator (ACMP)
- 2 × Digital to Analog Converter (VDAC)
- Low-Energy Sensor Interface (LESENSE)
- Up to 31 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
- 16-bit Pulse Counter with asynchronous operation (PCNT)
- 2 × Watchdog Timer
- 3 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART)
- 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
- 2 × I2C interface with SMBus support
- Integrated Low-Energy LCD Controller supporting up to 80 segments
- Keypad scanner supporting up to 6x8 matrix (KEYSCAN)
- Die temperature sensor with +TBD/-TBD °C accuracy across temperature range
低能耗
- 4.2 mA RX current at 920 MHz (400 kbps 4-FSK)
- 3.8 mA RX current at 915 MHz (4.8 kbps O-QPSK)
- 5.1 mA RX current at 915 MHz (2 Mbps GFSK)
- 3.7 mA RX current at 868 MHz (2.4 kbps GFSK)
- 3.7 mA RX current at 868 MHz (38.4 kbps FSK)
- 4.0 mA RX current at 433 MHz (100 kbps 2GFSK)
- 25.0 mA TX current @ 14 dBm output power at 915 MHz (14 dBm part numbers)
- 85.5 mA TX current @ 20 dBm output power at 915 MHz (20 dBm part numbers)
- 26 μA/MHz in Active Mode (EM0) at 39.0 MHz
- 1.5 μA EM2 DeepSleep current (64 kB RAM retention and RTC running from LFXO)
- 1.2 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)
宽工作范围
- 1.71 V to 3.8 V single power supply
- -40 °C to +125 °C
封装
- QFN40 5 mm × 5 mm × 0.85 mm
- QFN48 6 mm × 6 mm × 0.85 m
出色的接收器性能
- -98.6 dBm sensitivity @ 400 kbps 920 MHz 4-GFSK
- -125.8 dBm sensitivity @ 4.8 kbps 915 MHz O-QPSK
- -96.9 dBm sensitivity @ 2 Mbps 915 MHz GFSK
- -125.3 dBm sensitivity @ 2.4 kbps 868 MHz GFSK
- -111.8 dBm sensitivity @ 38.4 kbps 868 MHz FSK
- -110.7 dBm sensitivity @ 100 kbps 433 MHz 2GFSK
支持的调制格式
- 2/4 (G)FSK with fully configurable shaping
- OQPSK DSSS
- (G)MSK
- OOK
协议支持
- Proprietary
- CONNECT
- Wi-SUN
- Sidewalk
- WM-BUS
*Silicon Labs Authorized Distributor
