Main Features
Core
- 32-bit Arm® Cortex®-M0+ processor core
- Up to 40 MHz operating frequency
- 0.93 DMIPS/MHz – Dhrystone v2.1
- Single-cycle multiplication
- Integrated Nested Vectored Interrupt Controller (NVIC)
- 24-bit SysTick timer
On-Chip Memory
- Up to 64 KB on-chip Flash memory for instruction/data and options storage
- Up to 8 KB on-chip SRAM
- Supports multiple booting modes
Bluetooth Low Energy Controller – BLEC
- 2.4 GHz RF transceiver compatible with Bluetooth Low Energy (BLE) 5.2 specification
- 16 MHz external crystal reference clock
- GFSK modulation, Frequency-Hopping Spread Spectrum (FHSS)
- Support LE 1 Mbps, 2 Mbps
- Receiver supports programmable gain control of over 70 dB
- Excellent receiver sensitivity of -94 dBm @ 1 Mbps
- Programmable transmitter output power up to +3.5 dBm
- Software-based True Random Number Generator (TRNG)
- Three operating modes: Normal, Deep-Sleep and Power-Down