EFR32MG26 Series 2 Multiprotocol Wireless SoC

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
• Up to 3200 kB flash program memory
• Up to 512 kB RAM data memory
• 2.4 GHz radio operation
• Matrix Vector Processor for AI/ML acceleration (select devices)

Radio Performance

• -105.4 dBm sensitivity @ 250 kbps O-QPSK DSSS
  
• -105.7 dBm sensitivity @ 125 kbps GFSK
• -97.6 dBm sensitivity @ 1 Mbps GFSK
• -95.0 dBm sensitivity @ 2 Mbps GFSK
• TX power up to 19.5 dBm

Low System Energy Consumption

• 5.4 mA RX current (1 Mbps GFSK)
• 6.2 mA RX current (250 kbps O-QPSK DSSS)
• 5.9 mA TX current @ 0 dBm output power
• 19.5 mA TX current @ 10 dBm output power
• 152.7 mA TX current @ 19.5 dBm output power
• 53.9 μA/MHz in Active Mode (EM0) at 39.0 MHz
• 1.4 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)

Wide Selection of MCU Peripherals

• Analog-to-Digital Converter (IADC)
  
  • 12, 16, or 20-bit output
  • Select OPNs support High Speed Mode (up to 2 Msps) and High Accuracy Mode (up to 16 bits ENOB at 3.8 ksps)
• 2 × Analog Comparator (ACMP)
• 2 × Digital to Analog Converter (VDAC)
• Up to 64 General Purpose I/O pins with output state retention and asynchronous interrupts
• 8 Channel DMA Controller (LDMA)
• 20 Channel Peripheral Reflex System (PRS)
• 6 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4/5/6/7)
• 4 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER0/1/8/9)
• 2 x 32-bit Real Time Counter (SYSRTC/BURTC))
• 24-bit Low-Energy Timer for waveform generation (LETIMER)
• 16-bit Pulse Counter with asynchronous operation (PCNT)
• 2 × Watchdog Timer (WDOG)
• 3 × Universal Synchronous/Asynchronous Receiver/Transmitter (USART), supporting UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• 4 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supporting UART/SPI/DALI/IrDA
• 4 × I2C interface with SMBus support
• Low-Frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
• Keypad scanner supporting up to 6x8 matrix (KEYSCAN)
• Inegrated Low-Energy LCD Controller supporting up to 4 x 40 segments (LCD)
  
• Die temperature sensor with typical +/- 1.5 °C accuracy after single-point calibration

Supported Modulation Format

• 2 (G)FSK with fully configurable shaping
• OQPSK DSSS
• (G)MSK

Protocol Support

• Matter
• OpenThread
• Zigbee
• Bluetooth Low Energy (BLE 5.3)
  
• Bluetooth mesh
• Proprietary 2.4 GHz
• Multiprotocol

Wide Operation Range

• 1.71 to 3.8 V single power supply
• -40 to 125 °C

Packages

• QFN48 6 × 6 × 0.85 mm
• QFN68 8 × 8 × 0.85 mm
• BGA136 7 x 7 x 0.82 mm

Secure Vault™

• 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