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      CPU and Flexible IO

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

      Maximum 120MHz operating frequency; 

      128k bytes SRAM; ? 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; 

      BLE supports the transmission rate of 1Mbps; 

      BLE transmission power ranges from 7dBm to 12dBm; 

      BLE Sensitivity with -88.3dBm in typical;

      Audio Interface

      Audio codec with 16bit mono 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 (QDID:194248)
      • Flash: 4 Mbit
      • DC-DC: 不支持
      • 內置充電: 支持
      • DAC: 單聲道
      • ADC: 單聲道
      • 模塊: MIC