EFR32MG27 Common Specs
Low Power Wireless System-on-Chip
- High Performance 32-bit 76.8 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- Up to 768 kB flash program memory
- Up to 64 kB RAM data memory
- 2.4 GHz radio operation
Radio Performance
- -102.3 dBm sensitivity @ 250 kbps O-QPSK DSSS
- -106.7 dBm sensitivity @ 125 kbps GFSK
- -98.9 dBm sensitivity @ 1 Mbit/s GFSK
- -96.2 dBm sensitivity @ 2 Mbit/s GFSK
- TX power up to 8 dBm
Low System Energy Consumption
- 4.0 mA RX current (250 kbps O-QPSK DSSS)
- 3.6 mA RX current (1 Mbps GFSK)
- 4.1 mA TX current @ 0 dBm output power
- 9.2 mA TX current @ 6 dBm output power
- 11.3 mA TX current @ 8 dBm output power
- 29 μA/MHz in Active Mode (EM0) at 76.8 MHz
- 1.6 μA EM2 DeepSleep current (64 kB RAM retention and RTC running from LFRCO)
- 0.18 μA EM4 current
Wide Selection of MCU Peripherals
- 16-bit Analog to Digital Converter (IADC)
- Analog Comparator (ACMP)
- Up to 26 General Purpose I/O pins with output state retention and asynchronous interrupts
- 8 Channel DMA Controller
- 12 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
- 2 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
- 1 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART)
- 2 × I2C interface with SMBus support
- Digital microphone interface (PDM)
- Precision Low-Frequency RC Oscillator to replace 32 kHz sleep crystal
- RFSENSE with selective OOK mode
- Die temperature sensor with +/- 1.5 °C accuracy after single-point calibration
- Coulomb counter integrated into DC-DC
Supported Modulation Format
- (G)FSK with fully configurable shaping
- OQPSK DSSS
- (G)MSK
Protocol Support
- Matter
- OpenThread
- Zigbee
- BLE
- Bluetooth mesh
- Proprietary 2.4 GHz
- Multiprotocol
Wide Operation Range
- 1.8 V to 3.8 V single power supply for devices with Buck DC-DC
- 0.8 V to 1.7 V single power supply for devices with Boost DC-DC
- -40 °C to 125 °C
Packages
- QFN40 5 mm × 5 mm × 0.85 mm
- QFN32 4 mm × 4 mm × 0.85 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 EFR32MG27 family have access to the highest level of IoT security provided by Secure Vault.
MG27 Security Features
- Hardware Cryptographic Acceleration for AES128/192/256, SHA-1, SHA-2/256, ECDSA+ECDH (P-192, P-256)
- True Random Number Generator (TRNG)
- ARM® TrustZone®
- Secure Boot (Root of Trust Secure Loader)
- Secure Debug Unlock
- DPA Countermeasures
- Customer Key Management with PUF
- E-Tamper
- Secure Attestation
Whitepaper: Preparing for Next-Gen Cyber Attacks on IoT
You can start developing Matter solutions using Silicon Labs SoCs
Find the Right EFR32MG27 Device
Select Columns
| Part Number | MCU | Core Frequency (MHz) | Flash | RAM | Secure Vault | DCDC Boost | Cryptography | Output Power Range (dBm) | GPIO | I²C | SPI | I²S | Timers (16-bit) | Temperature Range ºC | Package Type | Package Size (mm) | Wireless Standards |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARM Cortex-M33 | 76.8 | 768 | 64 | Mid | Buck | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 8 | 18 | 2 | 3 | 2 | 3 | -40 125 | QFN32 | 4x4 | Zigbee Bluetooth | |
| ARM Cortex-M33 | 76.8 | 768 | 64 | Mid | Buck | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 8 | 26 | 2 | 3 | 2 | 3 | -40 125 | QFN40 | 5x5 | Zigbee Bluetooth | |
| ARM Cortex-M33 | 76.8 | 768 | 64 | Mid | Boost | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 6 | 18 | 2 | 3 | 2 | 3 | -40 125 | QFN32 | 4x4 | Zigbee Bluetooth | |
| ARM Cortex-M33 | 76.8 | 768 | 64 | Mid | Boost | AES-128 AES-256 ECC SHA-1 SHA-2 | -20 6 | 26 | 2 | 3 | 2 | 3 | -40 125 | QFN40 | 5x5 | Zigbee Bluetooth |
Sort A -> Z
Sort Z -> A
Filter by values...