Wireless microcontroller
- Powerful 48-MHz 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:
- 2.63 mA active mode, CoreMark®
- 55 μA/MHz running
CoreMark
- 0.7 μA standby mode, RTC,
32KB RAM
- 0.1 μA shutdown mode,
wake-up on pin
- Radio Consumption:
- 5.4 mA RX at 868
MHz
- 24.9 mA TX at +14
dBm at 868 MHz
- 65 mA TX at +20 dBm at 915 MHz
Wireless protocol support
High performance radio
- -121 dBm for 2.5-kbps
long-range mode
- -120 dBm at 4.8 kbps
narrowband mode, 433 MHz
- -118 dBm at 9.6 kbps
narrowband mode, 868 MHz
- -110 dBm at 50 kbps,
802.15.4, 868 MHz
- Output power up to +20 dBm with temperature compensation
- Down to 4 kHz receiver
filter bandwidth
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
- 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
- 1.8-V to 3.8-V single supply voltage
- -40 to +105°C
Package
- 7-mm × 7-mm RGZ VQFN48 (26 GPIOs)
- RoHS-compliant package