EFR32MG24 Based Multiprotocol Wireless Modules (MGM240)

Low Power Wireless System-on-Chip

• 78 MHz ARM Cortex®-M33
• 1536 kB flash program memory
• 256 kB RAM data memory
• 2.4 GHz radio operation

Radio Performance

• MGM240P
  
  • -106.0 dBm @ 250 kbps O-QPSK
  • -98.5 dBm @ 1 Mbit/s GFSK
  • Up to 19.9 dBm output power
• MGM240S
  • -104.5 dBm @ 250 kbps O-QPSK
  • -97.0 dBm @ 1 Mbit/s GFSK
  • 10 dBm output power
• MGM240L
  • -105.8 dBm @ 250 kbps O-QPSK
  • -98.2 dBm @ 1 Mbps BLE
  • Up to +10 dBm output power

Low System Energy Consumption

• 1.3 μA EM2 DeepSleep current
• 33.4 μA/MHz in Active Mode (EM0)
  
• MGM240P
  • 5.2 mA RX current (250 kbps O-QPSK DSSS)
  • 4.5 mA RX current (1 Mbps GFSK)
  • 4.8 mA TX current @ 0 dBm
• MGM240S
  • 5.9 mA RX current (250 kbps O-QPSK DSSS)
  • 5.1 mA RX current (1 Mbps GFSK)
  • 4.6 mA TX current @ 0 dBm
• MGM240L
  • 7.4 mA TX @ 0 dBm
  • 29.8 mA TX @ +10 dBm
  • 6.6 mA RX (1 Mbps BLE)
  • 7.7 mA RX (@ 250 kbps)
  • 47.1 µA/MHz
  • 1.9 µA EM2 with 16 kB RAM

Wide Selection of MCU Peripherals

• 16-bit Analog to Digital Converter (ADC)
• 8 Channel DMA Controller
• 16 Channel Peripheral Reflex System (PRS)
• 3 × 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
• 1 × Watchdog Timer
• 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
• 2 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART) supporting UART/SPI/DALI/IrDA
• 2 × I2C interface with SMBus support
• Low-frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
• Keypad scanner supporting up to 6 x 8 matrix (KEYSCAN)

Supported Modulation Format

• 2 (G)FSK with fully configurable shaping
• O-QPSK DSSS

Protocol Support

• Zigbee
• Open Thread
• Proprietary
• Matter
• Multi-protocol
• Bluetooth Low Energy 5.4
  • 1 Mbps, 2 Mbps, Long Range
• Bluetooth mesh

Wide Operation Range

• 1.71 V to 3.8 V (MGM240P)
• 1.8 V to 3.8 V (MGM240S, MGM240L)
  
• -40 °C to 105 °C (MGM240P, MGM240S)
  
• -40 °C to 125 °C (MGM240L)

Regulatory Certifications

• CE (EU)
• UKCA (UK)
• FCC (USA)
• ISEDC (Canada)
• MIC (Japan)
• KC (South Korea)
• Additional 19 Certifications (MGM240L)

Dimensions

• 12.9 mm × 15.0 mm × 2.2 mm (MGM240P)
• 7 mm x 7mm x 1.18 mm (MGM240S)
• 15.5 mm x 22.5 mm x 2.2 mm (MGM240L)

MGM240 Security Features

• 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-521), 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
• Anti-Tamper
• Secure Attestation