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  • 32-bit ARM® Cortex™-M4F 64MHz

  • 2.4GHz multi-protocol transceiver    
    Data rates: 1Mbps, 2Mbps Bluetooth low energy    mode (Bluetooth 5 compatible)    
    Sensitivity of -96 dbm for Bluetooth low energy

  • 512kB flash, 64kB RAM

  • Flexible power management , DC/DC power mode    Wide supply voltage range: LDO (1.7 to 3.6V),    Buck DC/DC (1.7 to 3.6V)

  • Flexible and configurable 24 GPIO

  • Ultra low-power 32kHz crystal and RC oscillators

  • Peripheral 12-bit/200KSPS ADC, Temperature    sensor

  • Digital I/O    
    SPI Master/Slave, 2-wire Master/Slave    
    UART (CTS/RTS) with Easy DMA

  • AES HW encryption

  • Quadrature Decoder (QDEC)

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