32bit RISC processor Core, up to 180MHz
      Internal ROM
      Internal RAM for data and program
      ATS2819 internal 1MByte Nor flash
      Supports Bluetooth V5.0/4.2/2.1+EDR
      Supports AFH to dynamically detect
      channel quality to improve Bluetooth
      transmission quality
      Bluetooth Piconet and Scatternet support
      Bluetooth TX power: 2dBm(typical)
      Bluetooth RX sensitivity: -86dBm(typical)
      when packet Type is 2-DH5
      Built-in high performance stereo DAC&
      stereo ADC
      Supports two single-ended Analog
      microphone or one DMIC
      PA Support non-direct or direct drive output.
      Supports two stereo AUXIN sharing two ADCs
      SPDIF RX supports samples sample rate of
      I2S TX&RX support master/slave mode
      separately, and support sample rate of
      Support Voice Active Trigger
      Support 7/8pin Segment Matrix LED
      Integrated PMU supports multiple low energy states, Linear regulators outputs
      Support low power mode (sniff/sniff sub-rating)
      1*WIO which can used for charging detection.
      Standby current 45uA (typical).
      Support two SD/SDIO interfaces at most
      Rich Interfaces support: USB1.1FS, 2xUART, 2xTWI, 2xSPI, IR RX, 9xPWM, SPDIF RX
      22 programmable GPIOs, and 10 analog IOs can also Config as GPIOs.
      PCB Dimension: 19.5mm (L) × 14mm (W) × 1mm (H)

      Bluetooth alarm clock
      Other Bluetooth audio application
      Bluetooth car audio unit
      Sound Bar

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