EFR32FG25 Sub-GHz Wireless SoCs

EFR32FG25 wireless SoCs are an ideal solution for long range, Sub-GHz wireless connectivity for smart metering, lighting, city and building automation. The inclusion of multi-rate OFDM, FSK, and O-QPSK modulation schemes allows for data rates up to 3.6 Mbps while keeping immunity to 2.4 GHz interference. The large memory footprint and increased IO count allows for design consolidation and when combined with Secure Vault™ can provide higher level system security.

Up to 1920 kB of Flash and 512 kB of RAM
Wi-SUN Multi-rate OFDM, FSK, and O-QPSK modulation

EFR32FG25 Common Specs

Low Power Wireless System-on-Chip

  • High Performance 32-bit 97.5 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
  • Up to 1920 kB flash program memory
  • Up to 512 kB RAM data memory
  • Sub-GHz radio operation
  • TX power up to +16 dBm

Wide Selection of MCU peripherals

  • Analog to Digital Converter (ADC)
    • 12-bit @ 1 Msps
    • 16-bit @ 76.9 ksps
  • 2 × Analog Comparator (ACMP)
  • Digital to Analog Converter (VDAC) with two channels
  • Low-Energy Sensor Interface (LESENSE)
  • Up to 37 General Purpose I/O pins with output state retention and asynchronous interrupts
  • 16 Channel DMA Controller
  • 12 Channel Peripheral Reflex System (PRS)
  • 6 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 2 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 32-bit Real Time Counter
  • 24-bit Low Energy Timer for waveform generation
  • 2 × Watchdog Timer
  • 1 × USB2.0 Full Speed port, Device only
  • 5 × EUSART (Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter)
    • EUSART0 operates in EM2
    • SPI and IrDA supported by EUSART
  • 2 × I2C interface with SMBus support
  • High Frequency Crystal Oscillator clock sharing using buffered sine wave clock output
  • Die temperature sensor with ± 2 °C accuracy across temperature range

Low Energy Consumption

  • 6.3 mA RX current at 924 MHz (400 kbps 4-FSK)
  • 58.6 mA TX current @ 13 dBm output power at 923.6 MHz with CW from FSK PA
  • 76.6 mA TX current @ 16 dBm output power at 915 MHz with CW from FSK PA
  • 186 mA TX current @ 16 dBm output power at 914 MHz (2.4 Mbps Wi-SUN OFDM Option 1, MCS6)
  • 30 μA/MHz in Active Mode (EM0) at 97.5 MHz
  • 4.6 μA EM2 DeepSleep current (512 kB RAM retention and RTC running from LFXO)
  • 2.6 μA EM2 DeepSleep current (32 kB RAM retention and RTC running from LFRCO)

Wide Operating Range

  • 1.71 to 3.8 V VDD power supply
  • 3.45 to 3.8 V PAVDD power supply for OFDM
  • -40 °C to +125 °C

Supported Modulation Format

  • Wi-SUN MR OFDM MCS 0-6 (all 4 Options)
  • 802.15.4 SUN MR O-QPSK with DSSS
  • Wi-SUN FSK
  • 2 (G)FSK with fully configurable shaping
  • (G)MSK

Protocol Support

  • Proprietary
  • Wi-SUN

High Receiver Performance

  • -107.5 dBm sensitivity @ 300 kbps 923.7 MHz Wi-SUN OFDM Option 3, MCS4
  • -114.5 dBm sensitivity @ 50 kbps 923.6 MHz Wi-SUN FSK #1b with FEC
  • -115.8 dBm sensitivity @ 12.5 kbps 923.6 MHz Wi-SUN OFDM Option 4, MCS0
  • -125.8 dBm sensitivity @ 4.8 kbps 915 MHz O-QPSK
  • -123.9 dBm sensitivity @ 6.25 kbps 914 MHz SUN O-QPSK
  • -114.6 dBm sensitivity @ 50 kbps 914 MHz Wi-SUN FSK #1b with FEC
  • -95.3 dBm sensitivity @ 2.4 Mbps 914 MHz Wi-SUN OFDM Option 1, MCS6
  • -116.0 dBm sensitivity @ 12.5 kbps 914 MHz Wi-SUN OFDM Option 4, MCS0
  • -114.1 dBm sensitivity @ 50 kbps 866.5 MHz Wi-SUN FSK #1a with FEC
  • -113.2 dBm sensitivity @ 50 kbps 866.5 MHz OFDM Option 4, MCS2
  • -114.5 dBm sensitivity @ 50 kbps 490 MHz OFDM Option 4, MCS2

Packages

  • QFN56 7 mm x 7 mm x 0.85 mm

FG25 Security Features

Status

Find the Right EFR32FG25 Device Select Columns
Select Columns
Part Number Pricing Integrated MCU MCU Core Flash (kB) RAM (kB) Communications Output Power Max (dBm) RX Current (mA) Peak RX Sensitivity Proprietary 2.4 GHz Proprietary Sub-GHz Security GPIO DAC Temp Sensor Timers (16-bit) Temperature Range ºC Package Type Package Size (mm)
1K @ US$4.96 ARM Cortex-M33 1152 256 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$6.21 ARM Cortex-M33 1152 256 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$6.92 ARM Cortex-M33 1920 512 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$8.17 ARM Cortex-M33 1920 512 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$5.21 ARM Cortex-M33 1152 256 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$6.46 ARM Cortex-M33 1152 256 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$7.17 ARM Cortex-M33 1920 512 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$7.25 ARM Cortex-M33 1920 512 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 36 VDAC 6 -40 125 QFN56 7x7
1K @ US$8.42 ARM Cortex-M33 1920 512 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 37 VDAC 6 -40 125 QFN56 7x7
1K @ US$8.5 ARM Cortex-M33 1920 512 2 x I²C 5 x SPI 5 x USART 16 6.3 -125.8 (4.8 kbps OQPSK @ 915 MHz) AES-128 AES-256 ECC SHA-1 SHA-2 36 VDAC 6 -40 125 QFN56 7x7

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