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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 2M bit flash;

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

      Support GPIO wakeup or interrupt;

      Bluetooth Radio

      BLE supports the transmission rate of 1Mbps and ±250KHz deviation; 

      BLE output power ranges from -27dBm to 12dBm; 

      BLE Receive Sensitivity with -86dBm in typical;

      Audio Interface

      Support flexible audio EQ adjust; 

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

      2 channel Analog MUX; 

      One channel MIC amplifier input; 

      High performance mono audio ADC with 90dB SNR;




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

      • CPU: RISC-V + DSP擴展 (125MHz)
      • 封裝: SOP16
      • 藍牙協議: BT 5.2 雙模 (QDID: 181186)
      • Flash: 2 Mbit
      • DC-DC: 不支持
      • 內置充電: 不支持
      • DAC:
      • ADC: