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      CPU and Flexible IO
      RISC-V 32bit High performance CPU with DSP instruction; 

      Program memory: internal 4M bit flash; 

      Flexible GPIO pins with Programmable pull-up and pull-down resistors; 

      Support GPIO wakeup or interrupt;

      Bluetooth Radio
      Compliant to Bluetooth 5.3 ;
      TX output power +6dBm in typical; 

      RX Sensitivity with -90.5dBm @EDR;

      Audio Interface
      Audio codec with 16bit stereo DAC and 16bit mono ADC; 

      Support flexible audio EQ adjust; 

      Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz; 

      4 channel Analog MUX; 

      One channel MIC amplifier input; 

      High performance mono audio ADC with 90dB SNR; 

      High performance audio DAC with 96dB SNR, with headphone amplifier output;



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

      Product Applications


      • CPU: RISC-V + DSP擴展 (125MHz)
      • 封裝: QFN32
      • 藍牙協議: BT 5.3 雙模 (QDID: 194248)
      • Flash: 4 Mbit
      • DC-DC: 不支持
      • 內置充電: 支持
      • DAC: 立體聲
      • ADC: 單聲道
      • 模塊: MIC