Features
Benefits and Features
- Ultra-Low-Power Wireless Microcontroller
- Internal 100MHz Oscillator
- Flexible Low-Power Modes with 7.3728MHz System Clock Option
- 512KB Flash and 128KB SRAM
- Optional ECC on One 32KB SRAM Bank
- 16KB Instruction Cache
- Bluetooth 5.2 LE Radio
- Dedicated, Ultra-Low-Power, 32-Bit RISC-V Coprocessor to Offload Timing-Critical Bluetooth Processing
- 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: -97.5dBm; Tx Power: +4.5dBm
- Single-Ended Antenna Connection (50Ω)
- Power Management Maximizes Battery Life
- 2.0V to 3.6V Supply Voltage Range
- Integrated SIMO Power Regulator
- Dynamic Voltage Scaling (DVS)
- 23.8μA/MHz Active Current at 3.0V
- 4.4μA at 3.0V Retention Current for 32KB
- Selectable SRAM Retention + RTC in Low-Power Modes
- Multiple Peripherals for System Control
- Up to Two High-Speed SPI Master/Slave
- Up to Three High-Speed I2C Master/Slave (3.4Mbps)
- Up to Four UART, One I2S Master/Slave
- Up to 8-Input, 10-Bit Sigma-Delta ADC 7.8ksps
- Up to Four Micro-Power Comparators
- Timers: Up to Four 32-Bit, Two LP, Two Watchdog Timers
- 1-Wire® Master
- Up to Four Pulse Train (PWM) Engines
- RTC with Wake-Up Timer
- Up to 52 GPIOs
- Security and Integrity​
- Available Secure Boot
- TRNG Seed Generator
- AES 128/192/256 Hardware Acceleration Engine