訂閱電子報，掌握最新科技與產業趨勢
Silicon Labs
EFR32FG23L Sub-GHz 無線 SoC
EFR32FG23L
超低功耗、具成本效益的 SoC，採用最佳化的快閃記憶體與 RAM 設計，能滿足多樣化應用需求
產品簡介
EFR32FG23L Sub-GHz 解決方案 是一款超低功耗、具成本效益的 SoC，採用最佳化的快閃記憶體與 RAM 設計，能滿足多樣化應用需求。這款單晶片、多核心解決方案提供同級最佳的連線預算、低功耗並具備快速喚醒能力，並整合功率放大器，以實現新一代物聯網裝置的安全連線。FG23L 兼具高效率與高可靠性，非常適合用於家庭與工業自動化、遙控鑰匙（key fobs）、以及智慧城市感測節點等應用場景。
Block Diagram
EFR32FG23L Common Specs
Low Power Wireless System-on-Chip
- High Performance 32-bit 78 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- 128 kB flash program memory
- 32 kB RAM data memory
- Sub-GHz radio operation
- TX power up to +20 dBm
Wide selection of MCU peripherals
- 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 23 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
Low Energy Consumption
- 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)
Wide Operating Range
- 1.71 V to 3.8 V single power supply
- -40 °C to +125 °C
Packages
- QFN40 5 mm × 5 mm × 0.85 mm
High Receiver Performance
- -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
Supported Modulation Format
- 2/4 (G)FSK with fully configurable shaping
- OQPSK DSSS
- (G)MSK
- OOK
Protocol Support
- Proprietary
*Silicon Labs Authorized Distributor
