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      CPU and Flexible IO
      32bit High performance CPU with DSP instruction;
      Flexible GPIO pins with Programmable pull-upand pull-down resistors; 
      Support GPIO wakeup or interrupt;

      Bluetooth Radio
      Compliant to Bluetooth 5.0 and BLE specification (QDID: 115952);
      TX output power +2dBm in typical;
      RX Sensitivity with -90.5dBm @Basic Rate;

      Audio Interface
      Audio codec with 16bit stereo DAC and two channel 16bit ADC;
      Support flexible audio EQ adjust;
      Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
      Mono MIC amplifier input;
      High performance Stereo audio ADC with 90dB SNR;
      High performance Stereo audio DAC with 95dB SNR, with headphone amplifier output;


      Operating temperature: -40℃ to +85℃;
      Storage temperature: -65℃ to +150℃;

      Product Applications


      • CPU: RISC-V + DSP擴展 (52MHz)
      • 封裝: QFN20
      • 藍牙協議: BT 5.0 (QDID: 115952)
      • Flash:
      • DC-DC: 支持
      • 內置充電: 支持
      • DAC: 單聲道
      • ADC: 單聲道
      • 模塊: MIC