Wireless microcontroller
- Powerful 48-MHz Arm® Cortex®-M4F processor
- 704KB flash program memory
- 256KB of ROM for protocols and library functions
- 8KB of cache SRAM
- 144KB of ultra-low leakage SRAM with parity for high-reliability operation
- Dynamic multiprotocol manager (DMM) driver
- Programmable radio includes support for 2-(G)FSK,
4-(G)FSK, MSK, OOK, IEEE 802.15.4 PHY and MAC
- Supports over-the-air upgrade (OTA)
Ultra-low power sensor controller
- Autonomous MCU with 4KB of
SRAM
- Sample, store, and process sensor data
- Fast wake-up for low-power operation
- Software defined peripherals;
capacitive touch, flow meter, LCD
Low power consumption
- MCU consumption:
- 2.63 mA active mode,
CoreMark
- 55 μA/MHz running
CoreMark
- 0.8 μA standby mode, RTC,
144KB RAM
- 0.1 μA shutdown mode,
wake-up on pin
- Ultra low-power sensor controller
consumption:
- 25.2 μA in 2 MHz mode
- 701 μA in 24 MHz mode
- Radio Consumption:
- 5.4 mA RX at 868
MHz
- 24.9 mA TX at +14
dBm at 868 MHz
Wireless protocol support
High performance radio
- -121 dBm for 2.5-kbps
long-range mode
- -110 dBm at 50 kbps,
802.15.4, 868 MHz
- Output power up to +14 dBm with temperature compensation
Regulatory compliance
- Suitable for systems targeting compliance with these standards:
- ETSI EN 300 220 Receiver Cat. 1.5 and 2,
EN 303 131, EN 303 204
- FCC CFR47 Part 15
- ARIB STD-T108
MCU peripherals
- Digital peripherals can be routed to any GPIO
- Four 32-bit or eight 16-bit general-purpose timers
- 12-bit ADC, 200 kSamples/s, 8 channels
- 8-bit DAC
- Two comparators
- Programmable current source
- Two UART, two SSI,
I2C, I2S
- Real-time clock (RTC)
- Integrated temperature and battery monitor
Security enablers
- AES 128- and 256-bit cryptographic accelerator
- ECC and RSA public key hardware
accelerator
- SHA2 Accelerator (full suite up to SHA-512)
- True random number generator (TRNG)
Development tools and software
Operating range
- On-chip buck DC/DC converter
- 1.8-V to 3.8-V single supply voltage
- -40 to +105°C
Package
- 7-mm × 7-mm RGZ VQFN48 (30 GPIOs)
- RoHS-compliant package