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, Bluetooth® 5.2 Low Energy, IEEE 802.15.4 PHY and MAC
- Supports over-the-air upgrade (OTA)
Low power consumption
- MCU consumption:
- 2.91 mA active mode, CoreMark®
- 61 μA/MHz running CoreMark
- 0.8 μA standby mode, RTC, 32KB RAM
- 0.1 μA shutdown mode, wake-up on pin
- Radio Consumption:
- 6.4 mA RX
- 7.1 mA TX at 0 dBm
- 9.5 mA TX at +5 dBm
- 22 mA TX at +10 dBm
- 101 mA TX at +20 dBm (7x7 package)
Wireless protocol support
High performance radio
- -104 dBm for Bluetooth® Low Energy 125-kbps
- Output power up to +20 dBm with temperature compensation
Regulatory compliance
- Suitable for systems targeting compliance with these standards:
- ETSI EN 300 328, EN 300 440 Cat. 2 and 3
- FCC CFR47 Part 15
- ARIB STD-T66
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)
- 5-mm × 5-mm RKP VQFN40 (18 GPIOs)
- RoHS-compliant package