Wireless microcontroller
- Powerful 48MHz Arm® Cortex®-M4 processor
- 352KB flash program memory
- 32KB of ultra-low leakage SRAM
- 8KB of Cache SRAM (Alternatively available as general-purpose RAM)
- 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)
Low power consumption
- MCU consumption:
- 2.63mA active mode, CoreMark®
- 55μA/MHz running CoreMark
- 0.7μA standby mode, RTC, 32KB RAM
- 0.1μA shutdown mode, wake-up on pin
- Radio Consumption:
- 5.4mA RX at 868MHz
- 24.9mA TX at +14dBm at 868MHz
Wireless protocol support
High-performance radio
- -121dBm for 2.5kbps long-range mode
- -120dBm at 4.8kbps narrowband mode, 433MHz
- -118dBm at 9.6kbps narrowband mode, 868MHz
- -110dBm at 50kbps, 802.15.4, 868MHz
- Output power up to +14dBm with temperature compensation
- Down to 4kHz receiver filter bandwidth
Regulatory compliance
- Designed 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
- Analog Comparator
- UART, SSI, I2C, I2S
- Real-time clock (RTC)
- Integrated temperature and battery monitor
Security enablers
- AES 128-bit cryptographic accelerator
- True random number generator (TRNG)
- Additional cryptography drivers available in Software Development Kit (SDK)
Development tools and software
Operating range
- On-chip buck DC/DC converter
- 1.8V to 3.8V single supply voltage
- -40 to +105°C
Package
- 7mm × 7mm RGZ VQFN48 (30 GPIOs)
- 5mm × 5mm RKP VQFN40 (22 GPIOs)
- RoHS-compliant package