Benefits and Features
● Ultra-Efficient Microcontroller for Battery-Powered
Applications
• 120MHz Arm Cortex-M4 Processor with FPU
• Ultra-Low-Power, 32-Bit RISC-V (RV32)
Coprocessor Available to Offload Data Processing
• 7.3728MHz and 60MHz Low-Power Oscillators
• External Crystal Support (32MHz Required for
Bluetooth LE)
• 32.768kHz RTC Clock (Requires External Crystal)
• 8kHz Always-on Ultra-Low Power Oscillator
• 3MB Internal Flash, 1MB Internal SRAM
• 76.5μW/MHz ACTIVE Mode at 1.1V
• 1.8V and 3.3V I/O with No Level Translators
• External Flash and SRAM Expansion Interfaces
● Bluetooth 5.2 LE Radio
• Fully Open-Source Bluetooth 5.2 Stack Available
• Supports AoA, AoD, LE Audio, and Mesh
• High-Throughput (2Mbps) Mode
• Long-Range (125kbps and 500kbps) Modes
• Rx Sensitivity: -97dBm; Tx Power: +4.5dBm
• Single-Ended Antenna Connection (50Ω)
● Optimal Peripheral Mix Provides Platform Scalability
• 16-Channel DMA
• Five Quad-SPI Controller (60MHz)/Peripheral
(30MHz)
• Four UARTs with Flow Control
• Two I2C
• I2S
• Eight External Channel, 12-Bit 1Msps SAR ADC
• USB 2.0 Hi-Speed Device
• 16 Pulse Train Engines
• Four 32-Bit/Dual 16-Bit Timers with 8mA High Drive
• Two 32-Bit/Dual 16-Bit Low-Power Timers
• Two CAN 2.0B Controllers
• Four Micropower Comparators
• 1-Wire Controller
● Cryptographic Tool Box (CTB) for IP/Data Security
• Modular Arithmetic Accelerator (MAA), True
Random Number Generator (TRNG)
• Secure Nonvolatile Key Storage, SHA-256,
AES-128/192/256
• Secure Boot ROM

Applications
● Fitness/Health Wearables
● Portable and Wearable Wireless Medical Devices
● Asset Tracking
● Industrial Sensors and Networks