FGM230 Sub-GHz Wireless SiP Modules

The FGM230S is a system-in-package (SiP) module for Sub-GHz connectivity for smart home, security, lighting, building automation, and metering. Based on the EFR32F23 SoC, it delivers robust RF performance, long-range, industry-leading security features, low-current consumption, a rich set of MCU peripherals, ample memory, and a wide operating temperature range, all in a 6.5 x 6.5 mm package. In addition, the FGM230S is a complete solution supported by robust and fully-upgradeable software, advanced development and debugging tools, and documentation that will simplify and minimize the development cycle and deployment of your end product, helping to accelerate its time to market significantly.

Highest level of IoT security
Secure Vault™
Ideal applications
Smart home, security, lighting & building automation
On-Demand

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FGM230S Module Common Specs

Wireless System-on-Chip

  • 868 MHz and 915 MHz radio
  • TX power up to +14 dBm
  • 32-bit ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
  • 512 kB flash program memory
  • 64 kB RAM data memory
  • Embedded Trace Macrocell (ETM) for advanced debugging

Wide Selection of MCU peripherals

  • 12-bit @ 1 Msps or 16-bit @ 76.9 ksps SAR Analog to Digital Converter (ADC)
  • 2 × Analog Comparator (ACMP)
  • 2 x Digital to Analog Converter (VDAC)
  • Low-Energy Sensor Interface (LESENSE)
  • 34 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
  • 2 × Watchdog Timer
  • 3 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART)
  • 1 x 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
  • Die temperature sensor

Current Consumption

  • 4.1 mA RX current at 9.6 kbps FSK, 868.42 MHz
  • 4.1 mA RX current at 100 kbps GFSK, 869.85 MHz
  • 4.1 mA RX current at 9.6 kbps FSK, 908.4 MHz
  • 4.1 mA RX current at 100 kbps GFSK, 916 MHz
  • 4.6 mA RX current at 100 kbps O-QPSK, 912 MHz
  • 10.7 mA TX current at 0 dBm, 916 MHz
  • 20.8 mA TX current at +10 dBm, 916 MHz
  • 30.0 mA TX current at +14 dBm, 916 MHz
  • 26 µA/MHz in Active Mode (EM0) at 39.0 MHz
  • 1.5 µA/MHz in Deep Sleep (EM2) at 64 kB RAM retention and RTC running from LFRCO
  • 0.7 µA Shutoff Mode (EM4)

Operating Range

  • 1.8 to 3.6 V
  • -40 °C to +105 °C

Security

  • Hardware Cryptographic Acceleration for AES128/192/256, ChaCha20-Poly1305, SHA-1, SHA-2/256/384/512, ECDSA +ECDH(P-192, P-256, P-384, P-531), Ed25519 and Curve25519, J-PAKE, PBKDF2
  • True Random Number Generator (TRNG)
  • ARM® TrustZone®
  • Secure Boot (Root of Trust Secure Loader)
  • Secure Debug Unlock
  • DPA Countermeasures
  • Secure Key Management with PUF
  • Anit-Tamper
  • Secure Attestation

Receiver Performance

  • -109.9 dBm sensitivity at 9.6 kbps FSK, 868.42 MHz
  • -110 dBm sensitivity at 40 kbps FSK, 868.4 MHz
  • -108.6 dBm sensitivity at 100 kbps GFSK, 869.85 MHz
  • -109.3 dBm sensitivity at 9.6 kbps FSK, 908.42 MHz
  • -109.7 dBm sensitivity at 40 kbps FSK, 908.4 MHz
  • -108.1 dBm sensitivity at 100 kbps GFSK, 916 MHz
  • -109.8 dBm sensitivity at 100 kbps O-QPSK, 912 MHz

    Protocol Support

    • Proprietary
    • Connect
    • WM-BUS

    Packages

    • 6.5 mm x 6.5 mm

Securing Your IoT Product

IoT security is key to protecting company brands, end user privacy and commercial viability of products. Vulnerabilities can be exploited through both remote Internet attacks and physical hands-on-attacks.

Developers using the Silicon Labs FGM230S family have access to the highest level of IoT security provided by Secure Vault.

FGM230S Security Features

 

Whitepaper: Preparing for Next-Gen Cyber Attacks on IoT

Status

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Part Number Secure Vault™ MCU Core Flash RAM Communications Output Power (dBm) Proprietary 2.4 GHz Proprietary Sub-GHz Dig I/O Pins DAC Cap Sense Temp Sensor Timers (16-bit) Comparators Temperature Range ºC Package Type Package Size (mm)
Mid ARM Cortex-M33 512 64 2 x I²C x I²S x USART x EUART -24 14 34 VDAC 4 2 -40 85 SiP 6.5 x 6.5
High ARM Cortex-M33 512 64 2 x I²C x I²S x USART x EUART -24 14 34 VDAC 4 2 -40 85 SiP 6.5 x 6.5

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