EFR32BG26 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
- Up to 2048 kB Flash program memory
- Up to 256 kB RAM data memory
- 2.4 GHz radio operation
- Matrix Vector Processor for AI/ML acceleration
Radio Performance
- -105.7 dBm sensitivity @ 125 kbps GFSK
- -97.6 dBm sensitivity @ 1 Mbps GFSK
- -94.9 dBm sensitivity @ 2 Mbps GFSK
- TX power up to ±19.5 dBm
Low System Energy Consumption
- 5.4 mA RX current (1 Mbps GFSK)
- 6.0 ma TX current @ 0 dBm output power
- 19.0 mA TX current @ 10 dBm output power
- 152.8 mA TX current @ 19.5 dBm output power
- 56.6 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 -Channel Digital-to-Analog Converter (VDAC)
- Up to 64 General Purpose I/O pins with output state retention and asynchronous interrupts
- 8 Channel DMA Controller
- 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)
- Integrated 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
- (G)MSK
Protocol Support
- Bluetooth Low Energy (Bluetooth 5.4)
- Bluetooth mesh
- Proprietary 2.4 GHz
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
BG26 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