• Fully qualified Bluetooth Low Energy 5.0 peripheral device
  • Cortex M0 32-bit MCU with max. 32MHz clock rate
  • Highly integrated SOC with 128kB Flash memory and 80kB SRAM
  • DC-to-DC converter with boost or buck mode
  • Communication interfaces: I2C master, SPI master, UART
  • Peripherals: PWM, SAR ADC, quadrature decoder
  • Support SWD (Serial Wire Debug) mode
Wireless Protocol Bluetooth Low Energy 5.0
CPU Type ARM Cortex-M0
Memory Flash: 128kB / SRAM: 80kB
System Clock (MHz) 32
Peripherals UART, SPI Master, I2C Master, PWM, AES, RNG, ADC, Quad. Decoder
Operating Voltage (V) Buck: 1.9~3.6 / Boost: 0.9~1.65
Package QFN-48; 6mm*6mm
Max. TX Power (dBm) +4
RX Sensitivity (dBm) -93
Sleep Mode Current (μA) <8
Deep Sleep Mode Current (μA) <3
RF Input Impedance (Ω) 50
ROM Size (kB) 24
Operating Temperature (°C) -40~+85